task_name
string
rows
int64
cols
int64
rules
string
visual_elements
string
initial_board
string
solution
string
initial_observation
string
solution_reference
string
description
string
title
string
sudoku_normal_easy_100
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
348521.695.78.41322..7.68.443.9..5177951634.818..7.3.6653247.81971..8243.24319675
348521769567894132219736854436982517795163428182475396653247981971658243824319675
3 4 8 5 2 1 . 6 9 5 . 7 8 . 4 1 3 2 2 . . 7 . 6 8 . 4 4 3 . 9 . . 5 1 7 7 9 5 1 6 3 4 . 8 1 8 . . 7 . 3 . 6 6 5 3 2 4 7 . 8 1 9 7 1 . . 8 2 4 3 . 2 4 3 1 9 6 7 5
3 4 8 5 2 1 7 6 9 5 6 7 8 9 4 1 3 2 2 1 9 7 3 6 8 5 4 4 3 6 9 8 2 5 1 7 7 9 5 1 6 3 4 2 8 1 8 2 4 7 5 3 9 6 6 5 3 2 4 7 9 8 1 9 7 1 6 5 8 2 4 3 8 2 4 3 1 9 6 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5570_hard
sudoku_normal_easy_101
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
862..3514.346.28.77..8.....4.3.6..85.8.394.716.7285.3.948.261535214397.8..6518942
862973514134652897759841326493167285285394671617285439948726153521439768376518942
8 6 2 . . 3 5 1 4 . 3 4 6 . 2 8 . 7 7 . . 8 . . . . . 4 . 3 . 6 . . 8 5 . 8 . 3 9 4 . 7 1 6 . 7 2 8 5 . 3 . 9 4 8 . 2 6 1 5 3 5 2 1 4 3 9 7 . 8 . . 6 5 1 8 9 4 2
8 6 2 9 7 3 5 1 4 1 3 4 6 5 2 8 9 7 7 5 9 8 4 1 3 2 6 4 9 3 1 6 7 2 8 5 2 8 5 3 9 4 6 7 1 6 1 7 2 8 5 4 3 9 9 4 8 7 2 6 1 5 3 5 2 1 4 3 9 7 6 8 3 7 6 5 1 8 9 4 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6401_hard
sudoku_normal_easy_102
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
24597.86.791..6324638.125971672389.58.9..5..64.3.9178.5723.94.8914.2765.386154279
245973861791586324638412597167238945829745136453691782572369418914827653386154279
2 4 5 9 7 . 8 6 . 7 9 1 . . 6 3 2 4 6 3 8 . 1 2 5 9 7 1 6 7 2 3 8 9 . 5 8 . 9 . . 5 . . 6 4 . 3 . 9 1 7 8 . 5 7 2 3 . 9 4 . 8 9 1 4 . 2 7 6 5 . 3 8 6 1 5 4 2 7 9
2 4 5 9 7 3 8 6 1 7 9 1 5 8 6 3 2 4 6 3 8 4 1 2 5 9 7 1 6 7 2 3 8 9 4 5 8 2 9 7 4 5 1 3 6 4 5 3 6 9 1 7 8 2 5 7 2 3 6 9 4 1 8 9 1 4 8 2 7 6 5 3 3 8 6 1 5 4 2 7 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3085_hard
sudoku_normal_easy_103
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
84.2..3.....74.1921.96534874.852693.91.387.242.31..87579..6251.631975..85.2431.6.
847219356356748192129653487478526931915387624263194875794862513631975248582431769
8 4 . 2 . . 3 . . . . . 7 4 . 1 9 2 1 . 9 6 5 3 4 8 7 4 . 8 5 2 6 9 3 . 9 1 . 3 8 7 . 2 4 2 . 3 1 . . 8 7 5 7 9 . . 6 2 5 1 . 6 3 1 9 7 5 . . 8 5 . 2 4 3 1 . 6 .
8 4 7 2 1 9 3 5 6 3 5 6 7 4 8 1 9 2 1 2 9 6 5 3 4 8 7 4 7 8 5 2 6 9 3 1 9 1 5 3 8 7 6 2 4 2 6 3 1 9 4 8 7 5 7 9 4 8 6 2 5 1 3 6 3 1 9 7 5 2 4 8 5 8 2 4 3 1 7 6 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6077_hard
sudoku_normal_easy_104
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
..6.17..474189.5..935..4..1178.5629326.978415.5913.678.1.72..6.5.2.8.347687.4915.
826517934741893526935264781178456293263978415459132678314725869592681347687349152
. . 6 . 1 7 . . 4 7 4 1 8 9 . 5 . . 9 3 5 . . 4 . . 1 1 7 8 . 5 6 2 9 3 2 6 . 9 7 8 4 1 5 . 5 9 1 3 . 6 7 8 . 1 . 7 2 . . 6 . 5 . 2 . 8 . 3 4 7 6 8 7 . 4 9 1 5 .
8 2 6 5 1 7 9 3 4 7 4 1 8 9 3 5 2 6 9 3 5 2 6 4 7 8 1 1 7 8 4 5 6 2 9 3 2 6 3 9 7 8 4 1 5 4 5 9 1 3 2 6 7 8 3 1 4 7 2 5 8 6 9 5 9 2 6 8 1 3 4 7 6 8 7 3 4 9 1 5 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9666_hard
sudoku_normal_easy_105
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.7.3216.9.9276..1.1.6495.2.6.8..9.375..64.2989271....4.63..495225.93.8...19572346
475321689392768415186495723648259137531647298927183564763814952254936871819572346
. 7 . 3 2 1 6 . 9 . 9 2 7 6 . . 1 . 1 . 6 4 9 5 . 2 . 6 . 8 . . 9 . 3 7 5 . . 6 4 . 2 9 8 9 2 7 1 . . . . 4 . 6 3 . . 4 9 5 2 2 5 . 9 3 . 8 . . . 1 9 5 7 2 3 4 6
4 7 5 3 2 1 6 8 9 3 9 2 7 6 8 4 1 5 1 8 6 4 9 5 7 2 3 6 4 8 2 5 9 1 3 7 5 3 1 6 4 7 2 9 8 9 2 7 1 8 3 5 6 4 7 6 3 8 1 4 9 5 2 2 5 4 9 3 6 8 7 1 8 1 9 5 7 2 3 4 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5612_hard
sudoku_normal_easy_106
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
45..68.7.2.39475.87862..493647.5.3.232.7.49.619862375....872135.72.316495..4...27
459368271213947568786215493647159382325784916198623754964872135872531649531496827
4 5 . . 6 8 . 7 . 2 . 3 9 4 7 5 . 8 7 8 6 2 . . 4 9 3 6 4 7 . 5 . 3 . 2 3 2 . 7 . 4 9 . 6 1 9 8 6 2 3 7 5 . . . . 8 7 2 1 3 5 . 7 2 . 3 1 6 4 9 5 . . 4 . . . 2 7
4 5 9 3 6 8 2 7 1 2 1 3 9 4 7 5 6 8 7 8 6 2 1 5 4 9 3 6 4 7 1 5 9 3 8 2 3 2 5 7 8 4 9 1 6 1 9 8 6 2 3 7 5 4 9 6 4 8 7 2 1 3 5 8 7 2 5 3 1 6 4 9 5 3 1 4 9 6 8 2 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8069_hard
sudoku_normal_easy_107
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.24.96851.912..6...8.5174.2.4...3.79.374.1.8685..7214.26.835714..51...6.41..69325
724396851591248637683517492142683579937451286856972143269835714375124968418769325
. 2 4 . 9 6 8 5 1 . 9 1 2 . . 6 . . . 8 . 5 1 7 4 . 2 . 4 . . . 3 . 7 9 . 3 7 4 . 1 . 8 6 8 5 . . 7 2 1 4 . 2 6 . 8 3 5 7 1 4 . . 5 1 . . . 6 . 4 1 . . 6 9 3 2 5
7 2 4 3 9 6 8 5 1 5 9 1 2 4 8 6 3 7 6 8 3 5 1 7 4 9 2 1 4 2 6 8 3 5 7 9 9 3 7 4 5 1 2 8 6 8 5 6 9 7 2 1 4 3 2 6 9 8 3 5 7 1 4 3 7 5 1 2 4 9 6 8 4 1 8 7 6 9 3 2 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3779_hard
sudoku_normal_easy_108
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
58926.41..3..856.96.29..53871.846.52..47..1.3.6..9.874.5..742.6..1..93859265...41
589263417137485629642917538713846952894752163265391874358174296471629385926538741
5 8 9 2 6 . 4 1 . . 3 . . 8 5 6 . 9 6 . 2 9 . . 5 3 8 7 1 . 8 4 6 . 5 2 . . 4 7 . . 1 . 3 . 6 . . 9 . 8 7 4 . 5 . . 7 4 2 . 6 . . 1 . . 9 3 8 5 9 2 6 5 . . . 4 1
5 8 9 2 6 3 4 1 7 1 3 7 4 8 5 6 2 9 6 4 2 9 1 7 5 3 8 7 1 3 8 4 6 9 5 2 8 9 4 7 5 2 1 6 3 2 6 5 3 9 1 8 7 4 3 5 8 1 7 4 2 9 6 4 7 1 6 2 9 3 8 5 9 2 6 5 3 8 7 4 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7134_hard
sudoku_normal_easy_109
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
2.3.971.581432.97..974168239786...126.21497..3412.85.97369842.1..576239..295.1687
263897145814325976597416823978653412652149738341278569736984251185762394429531687
2 . 3 . 9 7 1 . 5 8 1 4 3 2 . 9 7 . . 9 7 4 1 6 8 2 3 9 7 8 6 . . . 1 2 6 . 2 1 4 9 7 . . 3 4 1 2 . 8 5 . 9 7 3 6 9 8 4 2 . 1 . . 5 7 6 2 3 9 . . 2 9 5 . 1 6 8 7
2 6 3 8 9 7 1 4 5 8 1 4 3 2 5 9 7 6 5 9 7 4 1 6 8 2 3 9 7 8 6 5 3 4 1 2 6 5 2 1 4 9 7 3 8 3 4 1 2 7 8 5 6 9 7 3 6 9 8 4 2 5 1 1 8 5 7 6 2 3 9 4 4 2 9 5 3 1 6 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5810_hard
sudoku_normal_easy_110
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
51293867439.2.48158746.52936495.732128314695775139..68.38...54..6.4.31824258.1.39
512938674396274815874615293649587321283146957751392468138729546967453182425861739
5 1 2 9 3 8 6 7 4 3 9 . 2 . 4 8 1 5 8 7 4 6 . 5 2 9 3 6 4 9 5 . 7 3 2 1 2 8 3 1 4 6 9 5 7 7 5 1 3 9 . . 6 8 . 3 8 . . . 5 4 . . 6 . 4 . 3 1 8 2 4 2 5 8 . 1 . 3 9
5 1 2 9 3 8 6 7 4 3 9 6 2 7 4 8 1 5 8 7 4 6 1 5 2 9 3 6 4 9 5 8 7 3 2 1 2 8 3 1 4 6 9 5 7 7 5 1 3 9 2 4 6 8 1 3 8 7 2 9 5 4 6 9 6 7 4 5 3 1 8 2 4 2 5 8 6 1 7 3 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_2143_easy
sudoku_normal_easy_111
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
34.6719251269.47..79..28.41872419536914.632.865..82.1.46.837.52.31246.9728.195364
348671925126954783795328641872419536914563278653782419469837152531246897287195364
3 4 . 6 7 1 9 2 5 1 2 6 9 . 4 7 . . 7 9 . . 2 8 . 4 1 8 7 2 4 1 9 5 3 6 9 1 4 . 6 3 2 . 8 6 5 . . 8 2 . 1 . 4 6 . 8 3 7 . 5 2 . 3 1 2 4 6 . 9 7 2 8 . 1 9 5 3 6 4
3 4 8 6 7 1 9 2 5 1 2 6 9 5 4 7 8 3 7 9 5 3 2 8 6 4 1 8 7 2 4 1 9 5 3 6 9 1 4 5 6 3 2 7 8 6 5 3 7 8 2 4 1 9 4 6 9 8 3 7 1 5 2 5 3 1 2 4 6 8 9 7 2 8 7 1 9 5 3 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5147_hard
sudoku_normal_easy_112
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
6.1.9.3.55.83.67.237.584.1.1..479.53954.631.78.7..5964219657.38.659..271..32415.6
641792385598316742372584619126479853954863127837125964219657438465938271783241596
6 . 1 . 9 . 3 . 5 5 . 8 3 . 6 7 . 2 3 7 . 5 8 4 . 1 . 1 . . 4 7 9 . 5 3 9 5 4 . 6 3 1 . 7 8 . 7 . . 5 9 6 4 2 1 9 6 5 7 . 3 8 . 6 5 9 . . 2 7 1 . . 3 2 4 1 5 . 6
6 4 1 7 9 2 3 8 5 5 9 8 3 1 6 7 4 2 3 7 2 5 8 4 6 1 9 1 2 6 4 7 9 8 5 3 9 5 4 8 6 3 1 2 7 8 3 7 1 2 5 9 6 4 2 1 9 6 5 7 4 3 8 4 6 5 9 3 8 2 7 1 7 8 3 2 4 1 5 9 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5714_hard
sudoku_normal_easy_113
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
24597.816.386.2.741678.4.9371..3..58.2.1954375.3487162472.613.9659.2.7413..74962.
245973816938612574167854293714236958826195437593487162472561389659328741381749625
2 4 5 9 7 . 8 1 6 . 3 8 6 . 2 . 7 4 1 6 7 8 . 4 . 9 3 7 1 . . 3 . . 5 8 . 2 . 1 9 5 4 3 7 5 . 3 4 8 7 1 6 2 4 7 2 . 6 1 3 . 9 6 5 9 . 2 . 7 4 1 3 . . 7 4 9 6 2 .
2 4 5 9 7 3 8 1 6 9 3 8 6 1 2 5 7 4 1 6 7 8 5 4 2 9 3 7 1 4 2 3 6 9 5 8 8 2 6 1 9 5 4 3 7 5 9 3 4 8 7 1 6 2 4 7 2 5 6 1 3 8 9 6 5 9 3 2 8 7 4 1 3 8 1 7 4 9 6 2 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3963_hard
sudoku_normal_easy_114
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
15867934.7.65.48..4.931856.8971.542.6.3.92.5851284679.2.49.36819.14.7235385261.74
158679342736524819429318567897135426643792158512846793274953681961487235385261974
1 5 8 6 7 9 3 4 . 7 . 6 5 . 4 8 . . 4 . 9 3 1 8 5 6 . 8 9 7 1 . 5 4 2 . 6 . 3 . 9 2 . 5 8 5 1 2 8 4 6 7 9 . 2 . 4 9 . 3 6 8 1 9 . 1 4 . 7 2 3 5 3 8 5 2 6 1 . 7 4
1 5 8 6 7 9 3 4 2 7 3 6 5 2 4 8 1 9 4 2 9 3 1 8 5 6 7 8 9 7 1 3 5 4 2 6 6 4 3 7 9 2 1 5 8 5 1 2 8 4 6 7 9 3 2 7 4 9 5 3 6 8 1 9 6 1 4 8 7 2 3 5 3 8 5 2 6 1 9 7 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9522_hard
sudoku_normal_easy_115
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
6835.97.1.1.7628352578139.489...6.437.43851963.5.912.8.3.6.74...7.1346.25.69.8.1.
683549721419762835257813964891276543724385196365491278132657489978134652546928317
6 8 3 5 . 9 7 . 1 . 1 . 7 6 2 8 3 5 2 5 7 8 1 3 9 . 4 8 9 . . . 6 . 4 3 7 . 4 3 8 5 1 9 6 3 . 5 . 9 1 2 . 8 . 3 . 6 . 7 4 . . . 7 . 1 3 4 6 . 2 5 . 6 9 . 8 . 1 .
6 8 3 5 4 9 7 2 1 4 1 9 7 6 2 8 3 5 2 5 7 8 1 3 9 6 4 8 9 1 2 7 6 5 4 3 7 2 4 3 8 5 1 9 6 3 6 5 4 9 1 2 7 8 1 3 2 6 5 7 4 8 9 9 7 8 1 3 4 6 5 2 5 4 6 9 2 8 3 1 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4426_hard
sudoku_normal_easy_116
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.685..47.327148569549..78218.5376.147.29843.663425..8.48.71.6929.6.2..4.25.46.7.8
168592473327148569549637821895376214712984356634251987483715692976823145251469738
. 6 8 5 . . 4 7 . 3 2 7 1 4 8 5 6 9 5 4 9 . . 7 8 2 1 8 . 5 3 7 6 . 1 4 7 . 2 9 8 4 3 . 6 6 3 4 2 5 . . 8 . 4 8 . 7 1 . 6 9 2 9 . 6 . 2 . . 4 . 2 5 . 4 6 . 7 . 8
1 6 8 5 9 2 4 7 3 3 2 7 1 4 8 5 6 9 5 4 9 6 3 7 8 2 1 8 9 5 3 7 6 2 1 4 7 1 2 9 8 4 3 5 6 6 3 4 2 5 1 9 8 7 4 8 3 7 1 5 6 9 2 9 7 6 8 2 3 1 4 5 2 5 1 4 6 9 7 3 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9700_hard
sudoku_normal_easy_117
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
76435..893821964.519578.236.4857.69.9.74613286.1928..4.1...754257..4981.423815967
764352189382196475195784236248573691957461328631928754819637542576249813423815967
7 6 4 3 5 . . 8 9 3 8 2 1 9 6 4 . 5 1 9 5 7 8 . 2 3 6 . 4 8 5 7 . 6 9 . 9 . 7 4 6 1 3 2 8 6 . 1 9 2 8 . . 4 . 1 . . . 7 5 4 2 5 7 . . 4 9 8 1 . 4 2 3 8 1 5 9 6 7
7 6 4 3 5 2 1 8 9 3 8 2 1 9 6 4 7 5 1 9 5 7 8 4 2 3 6 2 4 8 5 7 3 6 9 1 9 5 7 4 6 1 3 2 8 6 3 1 9 2 8 7 5 4 8 1 9 6 3 7 5 4 2 5 7 6 2 4 9 8 1 3 4 2 3 8 1 5 9 6 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7409_hard
sudoku_normal_easy_118
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
3.925.4164..31.2..62.4.78..29367458.71.58362958612...41.5932768.6.7419.59.7..5142
379258416458316297621497853293674581714583629586129374145932768862741935937865142
3 . 9 2 5 . 4 1 6 4 . . 3 1 . 2 . . 6 2 . 4 . 7 8 . . 2 9 3 6 7 4 5 8 . 7 1 . 5 8 3 6 2 9 5 8 6 1 2 . . . 4 1 . 5 9 3 2 7 6 8 . 6 . 7 4 1 9 . 5 9 . 7 . . 5 1 4 2
3 7 9 2 5 8 4 1 6 4 5 8 3 1 6 2 9 7 6 2 1 4 9 7 8 5 3 2 9 3 6 7 4 5 8 1 7 1 4 5 8 3 6 2 9 5 8 6 1 2 9 3 7 4 1 4 5 9 3 2 7 6 8 8 6 2 7 4 1 9 3 5 9 3 7 8 6 5 1 4 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4646_hard
sudoku_normal_easy_119
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
7...1268.436897..5.2.3569476712385943457.98.1.9214.3765139.4.68...58.4..2.4.7.15.
759412683436897215128356947671238594345769821892145376513924768967581432284673159
7 . . . 1 2 6 8 . 4 3 6 8 9 7 . . 5 . 2 . 3 5 6 9 4 7 6 7 1 2 3 8 5 9 4 3 4 5 7 . 9 8 . 1 . 9 2 1 4 . 3 7 6 5 1 3 9 . 4 . 6 8 . . . 5 8 . 4 . . 2 . 4 . 7 . 1 5 .
7 5 9 4 1 2 6 8 3 4 3 6 8 9 7 2 1 5 1 2 8 3 5 6 9 4 7 6 7 1 2 3 8 5 9 4 3 4 5 7 6 9 8 2 1 8 9 2 1 4 5 3 7 6 5 1 3 9 2 4 7 6 8 9 6 7 5 8 1 4 3 2 2 8 4 6 7 3 1 5 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6118_hard
sudoku_normal_easy_120
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
5....14898976245.334.98.27...9543.284381.2957.658..341.534781621.235679467.2198.5
526731489897624513341985276719543628438162957265897341953478162182356794674219835
5 . . . . 1 4 8 9 8 9 7 6 2 4 5 . 3 3 4 . 9 8 . 2 7 . . . 9 5 4 3 . 2 8 4 3 8 1 . 2 9 5 7 . 6 5 8 . . 3 4 1 . 5 3 4 7 8 1 6 2 1 . 2 3 5 6 7 9 4 6 7 . 2 1 9 8 . 5
5 2 6 7 3 1 4 8 9 8 9 7 6 2 4 5 1 3 3 4 1 9 8 5 2 7 6 7 1 9 5 4 3 6 2 8 4 3 8 1 6 2 9 5 7 2 6 5 8 9 7 3 4 1 9 5 3 4 7 8 1 6 2 1 8 2 3 5 6 7 9 4 6 7 4 2 1 9 8 3 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5969_hard
sudoku_normal_easy_121
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
8.963..15.5281.9...3.5498.6.9815426726137..49..492.1839234.567148576139.7.62934.8
849632715652817934137549826398154267261378549574926183923485671485761392716293458
8 . 9 6 3 . . 1 5 . 5 2 8 1 . 9 . . . 3 . 5 4 9 8 . 6 . 9 8 1 5 4 2 6 7 2 6 1 3 7 . . 4 9 . . 4 9 2 . 1 8 3 9 2 3 4 . 5 6 7 1 4 8 5 7 6 1 3 9 . 7 . 6 2 9 3 4 . 8
8 4 9 6 3 2 7 1 5 6 5 2 8 1 7 9 3 4 1 3 7 5 4 9 8 2 6 3 9 8 1 5 4 2 6 7 2 6 1 3 7 8 5 4 9 5 7 4 9 2 6 1 8 3 9 2 3 4 8 5 6 7 1 4 8 5 7 6 1 3 9 2 7 1 6 2 9 3 4 5 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7423_hard
sudoku_normal_easy_122
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
1673924853487.52.9....4863..7...3.429254.637848..2.1568..654..3.3487..6175623.894
167392485348765219592148637671583942925416378483927156819654723234879561756231894
1 6 7 3 9 2 4 8 5 3 4 8 7 . 5 2 . 9 . . . . 4 8 6 3 . . 7 . . . 3 . 4 2 9 2 5 4 . 6 3 7 8 4 8 . . 2 . 1 5 6 8 . . 6 5 4 . . 3 . 3 4 8 7 . . 6 1 7 5 6 2 3 . 8 9 4
1 6 7 3 9 2 4 8 5 3 4 8 7 6 5 2 1 9 5 9 2 1 4 8 6 3 7 6 7 1 5 8 3 9 4 2 9 2 5 4 1 6 3 7 8 4 8 3 9 2 7 1 5 6 8 1 9 6 5 4 7 2 3 2 3 4 8 7 9 5 6 1 7 5 6 2 3 1 8 9 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5613_hard
sudoku_normal_easy_123
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.6427..38283.15769597386.24471532.868356.74.2926841....1296..53.5.728641648.53...
164279538283415769597386124471532986835697412926841375712964853359728641648153297
. 6 4 2 7 . . 3 8 2 8 3 . 1 5 7 6 9 5 9 7 3 8 6 . 2 4 4 7 1 5 3 2 . 8 6 8 3 5 6 . 7 4 . 2 9 2 6 8 4 1 . . . . 1 2 9 6 . . 5 3 . 5 . 7 2 8 6 4 1 6 4 8 . 5 3 . . .
1 6 4 2 7 9 5 3 8 2 8 3 4 1 5 7 6 9 5 9 7 3 8 6 1 2 4 4 7 1 5 3 2 9 8 6 8 3 5 6 9 7 4 1 2 9 2 6 8 4 1 3 7 5 7 1 2 9 6 4 8 5 3 3 5 9 7 2 8 6 4 1 6 4 8 1 5 3 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8567_hard
sudoku_normal_easy_124
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
68..23.17.951.4.8.1..68..247428...59.6.345.72513.974.8..645.29.92.7..84545.912.36
684523917295174683137689524742861359869345172513297468376458291921736845458912736
6 8 . . 2 3 . 1 7 . 9 5 1 . 4 . 8 . 1 . . 6 8 . . 2 4 7 4 2 8 . . . 5 9 . 6 . 3 4 5 . 7 2 5 1 3 . 9 7 4 . 8 . . 6 4 5 . 2 9 . 9 2 . 7 . . 8 4 5 4 5 . 9 1 2 . 3 6
6 8 4 5 2 3 9 1 7 2 9 5 1 7 4 6 8 3 1 3 7 6 8 9 5 2 4 7 4 2 8 6 1 3 5 9 8 6 9 3 4 5 1 7 2 5 1 3 2 9 7 4 6 8 3 7 6 4 5 8 2 9 1 9 2 1 7 3 6 8 4 5 4 5 8 9 1 2 7 3 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8008_hard
sudoku_normal_easy_125
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
14.3.89727.3294.58892.15..468157...3254.367.9.37.21586..81.7695519.8342747695..31
145368972763294158892715364681579243254836719937421586328147695519683427476952831
1 4 . 3 . 8 9 7 2 7 . 3 2 9 4 . 5 8 8 9 2 . 1 5 . . 4 6 8 1 5 7 . . . 3 2 5 4 . 3 6 7 . 9 . 3 7 . 2 1 5 8 6 . . 8 1 . 7 6 9 5 5 1 9 . 8 3 4 2 7 4 7 6 9 5 . . 3 1
1 4 5 3 6 8 9 7 2 7 6 3 2 9 4 1 5 8 8 9 2 7 1 5 3 6 4 6 8 1 5 7 9 2 4 3 2 5 4 8 3 6 7 1 9 9 3 7 4 2 1 5 8 6 3 2 8 1 4 7 6 9 5 5 1 9 6 8 3 4 2 7 4 7 6 9 5 2 8 3 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8937_hard
sudoku_normal_easy_126
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
13654.29.927163.8.485..96138532769.1261..487.7.4.5.36..49..2.585129.7436.78.35129
136548297927163584485729613853276941261394875794851362349612758512987436678435129
1 3 6 5 4 . 2 9 . 9 2 7 1 6 3 . 8 . 4 8 5 . . 9 6 1 3 8 5 3 2 7 6 9 . 1 2 6 1 . . 4 8 7 . 7 . 4 . 5 . 3 6 . . 4 9 . . 2 . 5 8 5 1 2 9 . 7 4 3 6 . 7 8 . 3 5 1 2 9
1 3 6 5 4 8 2 9 7 9 2 7 1 6 3 5 8 4 4 8 5 7 2 9 6 1 3 8 5 3 2 7 6 9 4 1 2 6 1 3 9 4 8 7 5 7 9 4 8 5 1 3 6 2 3 4 9 6 1 2 7 5 8 5 1 2 9 8 7 4 3 6 6 7 8 4 3 5 1 2 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3115_hard
sudoku_normal_easy_127
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
351..69.7.7.9258...2831754..371982.44.926.7.58.257.1...45..96181.6.5..797.36.1.52
351846927674925831928317546537198264419263785862574193245739618186452379793681452
3 5 1 . . 6 9 . 7 . 7 . 9 2 5 8 . . . 2 8 3 1 7 5 4 . . 3 7 1 9 8 2 . 4 4 . 9 2 6 . 7 . 5 8 . 2 5 7 . 1 . . . 4 5 . . 9 6 1 8 1 . 6 . 5 . . 7 9 7 . 3 6 . 1 . 5 2
3 5 1 8 4 6 9 2 7 6 7 4 9 2 5 8 3 1 9 2 8 3 1 7 5 4 6 5 3 7 1 9 8 2 6 4 4 1 9 2 6 3 7 8 5 8 6 2 5 7 4 1 9 3 2 4 5 7 3 9 6 1 8 1 8 6 4 5 2 3 7 9 7 9 3 6 8 1 4 5 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3248_hard
sudoku_normal_easy_128
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
4.32876952..169...976.3.182.814..9.3.4279185.7..85342183.64251.6..9..7381.5.78.64
413287695258169347976534182581426973342791856769853421837642519624915738195378264
4 . 3 2 8 7 6 9 5 2 . . 1 6 9 . . . 9 7 6 . 3 . 1 8 2 . 8 1 4 . . 9 . 3 . 4 2 7 9 1 8 5 . 7 . . 8 5 3 4 2 1 8 3 . 6 4 2 5 1 . 6 . . 9 . . 7 3 8 1 . 5 . 7 8 . 6 4
4 1 3 2 8 7 6 9 5 2 5 8 1 6 9 3 4 7 9 7 6 5 3 4 1 8 2 5 8 1 4 2 6 9 7 3 3 4 2 7 9 1 8 5 6 7 6 9 8 5 3 4 2 1 8 3 7 6 4 2 5 1 9 6 2 4 9 1 5 7 3 8 1 9 5 3 7 8 2 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5627_hard
sudoku_normal_easy_129
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.79586..3.329416786....75491537948628..15379494786.35121437598..9561..2.7.842.135
479586213532941678681237549153794862826153794947862351214375986395618427768429135
. 7 9 5 8 6 . . 3 . 3 2 9 4 1 6 7 8 6 . . . . 7 5 4 9 1 5 3 7 9 4 8 6 2 8 . . 1 5 3 7 9 4 9 4 7 8 6 . 3 5 1 2 1 4 3 7 5 9 8 . . 9 5 6 1 . . 2 . 7 . 8 4 2 . 1 3 5
4 7 9 5 8 6 2 1 3 5 3 2 9 4 1 6 7 8 6 8 1 2 3 7 5 4 9 1 5 3 7 9 4 8 6 2 8 2 6 1 5 3 7 9 4 9 4 7 8 6 2 3 5 1 2 1 4 3 7 5 9 8 6 3 9 5 6 1 8 4 2 7 7 6 8 4 2 9 1 3 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6532_hard
sudoku_normal_easy_130
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
258.7..46763...9.841.56.32.197436582642..5731.852174.9..63.12..824759.139.1.42875
258973146763124958419568327197436582642895731385217469576381294824759613931642875
2 5 8 . 7 . . 4 6 7 6 3 . . . 9 . 8 4 1 . 5 6 . 3 2 . 1 9 7 4 3 6 5 8 2 6 4 2 . . 5 7 3 1 . 8 5 2 1 7 4 . 9 . . 6 3 . 1 2 . . 8 2 4 7 5 9 . 1 3 9 . 1 . 4 2 8 7 5
2 5 8 9 7 3 1 4 6 7 6 3 1 2 4 9 5 8 4 1 9 5 6 8 3 2 7 1 9 7 4 3 6 5 8 2 6 4 2 8 9 5 7 3 1 3 8 5 2 1 7 4 6 9 5 7 6 3 8 1 2 9 4 8 2 4 7 5 9 6 1 3 9 3 1 6 4 2 8 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7957_hard
sudoku_normal_easy_131
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
839..7.6141.8..973.7591.482.5.7...492.46.91...6.451238391..4..65.839.7.47.61.83..
839247561412865973675913482153782649284639157967451238391574826528396714746128395
8 3 9 . . 7 . 6 1 4 1 . 8 . . 9 7 3 . 7 5 9 1 . 4 8 2 . 5 . 7 . . . 4 9 2 . 4 6 . 9 1 . . . 6 . 4 5 1 2 3 8 3 9 1 . . 4 . . 6 5 . 8 3 9 . 7 . 4 7 . 6 1 . 8 3 . .
8 3 9 2 4 7 5 6 1 4 1 2 8 6 5 9 7 3 6 7 5 9 1 3 4 8 2 1 5 3 7 8 2 6 4 9 2 8 4 6 3 9 1 5 7 9 6 7 4 5 1 2 3 8 3 9 1 5 7 4 8 2 6 5 2 8 3 9 6 7 1 4 7 4 6 1 2 8 3 9 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9931_hard
sudoku_normal_easy_132
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
27.896.5156423..7.8.14..3.294....1363586192.712674359.6193.5.2.48.9.2...732164985
273896451564231879891457362947528136358619247126743598619385724485972613732164985
2 7 . 8 9 6 . 5 1 5 6 4 2 3 . . 7 . 8 . 1 4 . . 3 . 2 9 4 . . . . 1 3 6 3 5 8 6 1 9 2 . 7 1 2 6 7 4 3 5 9 . 6 1 9 3 . 5 . 2 . 4 8 . 9 . 2 . . . 7 3 2 1 6 4 9 8 5
2 7 3 8 9 6 4 5 1 5 6 4 2 3 1 8 7 9 8 9 1 4 5 7 3 6 2 9 4 7 5 2 8 1 3 6 3 5 8 6 1 9 2 4 7 1 2 6 7 4 3 5 9 8 6 1 9 3 8 5 7 2 4 4 8 5 9 7 2 6 1 3 7 3 2 1 6 4 9 8 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8933_hard
sudoku_normal_easy_133
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
591.673.4.2.9.36..36..1.972.5234671..1.8...466..57.8..93472816..76..94.81856342.7
591267384427983651368415972852346719713892546649571823934728165276159438185634297
5 9 1 . 6 7 3 . 4 . 2 . 9 . 3 6 . . 3 6 . . 1 . 9 7 2 . 5 2 3 4 6 7 1 . . 1 . 8 . . . 4 6 6 . . 5 7 . 8 . . 9 3 4 7 2 8 1 6 . . 7 6 . . 9 4 . 8 1 8 5 6 3 4 2 . 7
5 9 1 2 6 7 3 8 4 4 2 7 9 8 3 6 5 1 3 6 8 4 1 5 9 7 2 8 5 2 3 4 6 7 1 9 7 1 3 8 9 2 5 4 6 6 4 9 5 7 1 8 2 3 9 3 4 7 2 8 1 6 5 2 7 6 1 5 9 4 3 8 1 8 5 6 3 4 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3498_hard
sudoku_normal_easy_134
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
891.32.57.23..46.1467..89.22.58931.63.916524.618.27.93154..67297362..8.598.75..6.
891632457523974681467518932245893176379165248618427593154386729736249815982751364
8 9 1 . 3 2 . 5 7 . 2 3 . . 4 6 . 1 4 6 7 . . 8 9 . 2 2 . 5 8 9 3 1 . 6 3 . 9 1 6 5 2 4 . 6 1 8 . 2 7 . 9 3 1 5 4 . . 6 7 2 9 7 3 6 2 . . 8 . 5 9 8 . 7 5 . . 6 .
8 9 1 6 3 2 4 5 7 5 2 3 9 7 4 6 8 1 4 6 7 5 1 8 9 3 2 2 4 5 8 9 3 1 7 6 3 7 9 1 6 5 2 4 8 6 1 8 4 2 7 5 9 3 1 5 4 3 8 6 7 2 9 7 3 6 2 4 9 8 1 5 9 8 2 7 5 1 3 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5060_hard
sudoku_normal_easy_135
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
184397526.2.45.1986..128.47348.627.1.6974183.21...3.649712.46854368.5279.5..794.3
184397526723456198695128347348962751569741832217583964971234685436815279852679413
1 8 4 3 9 7 5 2 6 . 2 . 4 5 . 1 9 8 6 . . 1 2 8 . 4 7 3 4 8 . 6 2 7 . 1 . 6 9 7 4 1 8 3 . 2 1 . . . 3 . 6 4 9 7 1 2 . 4 6 8 5 4 3 6 8 . 5 2 7 9 . 5 . . 7 9 4 . 3
1 8 4 3 9 7 5 2 6 7 2 3 4 5 6 1 9 8 6 9 5 1 2 8 3 4 7 3 4 8 9 6 2 7 5 1 5 6 9 7 4 1 8 3 2 2 1 7 5 8 3 9 6 4 9 7 1 2 3 4 6 8 5 4 3 6 8 1 5 2 7 9 8 5 2 6 7 9 4 1 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7860_hard
sudoku_normal_easy_136
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
13...92455..4327....2175.866.821.45347135..2.32..48671253864..771.52.864.64.915..
137689245586432719942175386698217453471356928325948671253864197719523864864791532
1 3 . . . 9 2 4 5 5 . . 4 3 2 7 . . . . 2 1 7 5 . 8 6 6 . 8 2 1 . 4 5 3 4 7 1 3 5 . . 2 . 3 2 . . 4 8 6 7 1 2 5 3 8 6 4 . . 7 7 1 . 5 2 . 8 6 4 . 6 4 . 9 1 5 . .
1 3 7 6 8 9 2 4 5 5 8 6 4 3 2 7 1 9 9 4 2 1 7 5 3 8 6 6 9 8 2 1 7 4 5 3 4 7 1 3 5 6 9 2 8 3 2 5 9 4 8 6 7 1 2 5 3 8 6 4 1 9 7 7 1 9 5 2 3 8 6 4 8 6 4 7 9 1 5 3 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3284_hard
sudoku_normal_easy_137
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.1.897..6597....4883..4.719.4.9781..689..135.72.56.8.44527....1.7.654.2.963..2475
214897536597316248836245719345978162689421357721563894452739681178654923963182475
. 1 . 8 9 7 . . 6 5 9 7 . . . . 4 8 8 3 . . 4 . 7 1 9 . 4 . 9 7 8 1 . . 6 8 9 . . 1 3 5 . 7 2 . 5 6 . 8 . 4 4 5 2 7 . . . . 1 . 7 . 6 5 4 . 2 . 9 6 3 . . 2 4 7 5
2 1 4 8 9 7 5 3 6 5 9 7 3 1 6 2 4 8 8 3 6 2 4 5 7 1 9 3 4 5 9 7 8 1 6 2 6 8 9 4 2 1 3 5 7 7 2 1 5 6 3 8 9 4 4 5 2 7 3 9 6 8 1 1 7 8 6 5 4 9 2 3 9 6 3 1 8 2 4 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9813_hard
sudoku_normal_easy_138
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
174.659323952417868.29735.4649.281537.13...6823.156479.2358.6..41.63.825..64.2.97
174865932395241786862973514649728153751394268238156479923587641417639825586412397
1 7 4 . 6 5 9 3 2 3 9 5 2 4 1 7 8 6 8 . 2 9 7 3 5 . 4 6 4 9 . 2 8 1 5 3 7 . 1 3 . . . 6 8 2 3 . 1 5 6 4 7 9 . 2 3 5 8 . 6 . . 4 1 . 6 3 . 8 2 5 . . 6 4 . 2 . 9 7
1 7 4 8 6 5 9 3 2 3 9 5 2 4 1 7 8 6 8 6 2 9 7 3 5 1 4 6 4 9 7 2 8 1 5 3 7 5 1 3 9 4 2 6 8 2 3 8 1 5 6 4 7 9 9 2 3 5 8 7 6 4 1 4 1 7 6 3 9 8 2 5 5 8 6 4 1 2 3 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6530_hard
sudoku_normal_easy_139
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
17..649.5..27.13..4..982.7..974231588.351.2975.1..9..335.6.7.12.89145.367.62..5.9
178364925962751384435982671697423158843516297521879463354697812289145736716238549
1 7 . . 6 4 9 . 5 . . 2 7 . 1 3 . . 4 . . 9 8 2 . 7 . . 9 7 4 2 3 1 5 8 8 . 3 5 1 . 2 9 7 5 . 1 . . 9 . . 3 3 5 . 6 . 7 . 1 2 . 8 9 1 4 5 . 3 6 7 . 6 2 . . 5 . 9
1 7 8 3 6 4 9 2 5 9 6 2 7 5 1 3 8 4 4 3 5 9 8 2 6 7 1 6 9 7 4 2 3 1 5 8 8 4 3 5 1 6 2 9 7 5 2 1 8 7 9 4 6 3 3 5 4 6 9 7 8 1 2 2 8 9 1 4 5 7 3 6 7 1 6 2 3 8 5 4 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5263_hard
sudoku_normal_easy_140
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
2.81..76.657.8.1.3.1.967.288.62139.79..57..1..756..8...69824.7..2475.6.9781396245
298135764657482193413967528846213957932578416175649832569824371324751689781396245
2 . 8 1 . . 7 6 . 6 5 7 . 8 . 1 . 3 . 1 . 9 6 7 . 2 8 8 . 6 2 1 3 9 . 7 9 . . 5 7 . . 1 . . 7 5 6 . . 8 . . . 6 9 8 2 4 . 7 . . 2 4 7 5 . 6 . 9 7 8 1 3 9 6 2 4 5
2 9 8 1 3 5 7 6 4 6 5 7 4 8 2 1 9 3 4 1 3 9 6 7 5 2 8 8 4 6 2 1 3 9 5 7 9 3 2 5 7 8 4 1 6 1 7 5 6 4 9 8 3 2 5 6 9 8 2 4 3 7 1 3 2 4 7 5 1 6 8 9 7 8 1 3 9 6 2 4 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7217_hard
sudoku_normal_easy_141
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
65347.2.18421.576319.63285..897.46..56432.17872.5.6.4.27.9.153643..579..9.52.3.8.
653478291842195763197632854389714625564329178721586349278941536436857912915263487
6 5 3 4 7 . 2 . 1 8 4 2 1 . 5 7 6 3 1 9 . 6 3 2 8 5 . . 8 9 7 . 4 6 . . 5 6 4 3 2 . 1 7 8 7 2 . 5 . 6 . 4 . 2 7 . 9 . 1 5 3 6 4 3 . . 5 7 9 . . 9 . 5 2 . 3 . 8 .
6 5 3 4 7 8 2 9 1 8 4 2 1 9 5 7 6 3 1 9 7 6 3 2 8 5 4 3 8 9 7 1 4 6 2 5 5 6 4 3 2 9 1 7 8 7 2 1 5 8 6 3 4 9 2 7 8 9 4 1 5 3 6 4 3 6 8 5 7 9 1 2 9 1 5 2 6 3 4 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9202_hard
sudoku_normal_easy_142
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
24.8617..713245.6.568.7...282.7543.6376129584.9538.2711824976356345.8.2795763.41.
249861753713245869568973142821754396376129584495386271182497635634518927957632418
2 4 . 8 6 1 7 . . 7 1 3 2 4 5 . 6 . 5 6 8 . 7 . . . 2 8 2 . 7 5 4 3 . 6 3 7 6 1 2 9 5 8 4 . 9 5 3 8 . 2 7 1 1 8 2 4 9 7 6 3 5 6 3 4 5 . 8 . 2 7 9 5 7 6 3 . 4 1 .
2 4 9 8 6 1 7 5 3 7 1 3 2 4 5 8 6 9 5 6 8 9 7 3 1 4 2 8 2 1 7 5 4 3 9 6 3 7 6 1 2 9 5 8 4 4 9 5 3 8 6 2 7 1 1 8 2 4 9 7 6 3 5 6 3 4 5 1 8 9 2 7 9 5 7 6 3 2 4 1 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_163_easy
sudoku_normal_easy_143
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.8.1935424...571.615248....827.614.5.4532.9179.3.74268.6..35....98.1275457184962.
786193542439257186152486379827961435645328917913574268264735891398612754571849623
. 8 . 1 9 3 5 4 2 4 . . . 5 7 1 . 6 1 5 2 4 8 . . . . 8 2 7 . 6 1 4 . 5 . 4 5 3 2 . 9 1 7 9 . 3 . 7 4 2 6 8 . 6 . . 3 5 . . . . 9 8 . 1 2 7 5 4 5 7 1 8 4 9 6 2 .
7 8 6 1 9 3 5 4 2 4 3 9 2 5 7 1 8 6 1 5 2 4 8 6 3 7 9 8 2 7 9 6 1 4 3 5 6 4 5 3 2 8 9 1 7 9 1 3 5 7 4 2 6 8 2 6 4 7 3 5 8 9 1 3 9 8 6 1 2 7 5 4 5 7 1 8 4 9 6 2 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9678_hard
sudoku_normal_easy_144
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
4573918.2.125689.76892.73.5.369..1.8.94.5.6.32.183.45..2..1.5.4.4378529.9.5423781
457391862312568947689247315536974128894152673271836459728619534143785296965423781
4 5 7 3 9 1 8 . 2 . 1 2 5 6 8 9 . 7 6 8 9 2 . 7 3 . 5 . 3 6 9 . . 1 . 8 . 9 4 . 5 . 6 . 3 2 . 1 8 3 . 4 5 . . 2 . . 1 . 5 . 4 . 4 3 7 8 5 2 9 . 9 . 5 4 2 3 7 8 1
4 5 7 3 9 1 8 6 2 3 1 2 5 6 8 9 4 7 6 8 9 2 4 7 3 1 5 5 3 6 9 7 4 1 2 8 8 9 4 1 5 2 6 7 3 2 7 1 8 3 6 4 5 9 7 2 8 6 1 9 5 3 4 1 4 3 7 8 5 2 9 6 9 6 5 4 2 3 7 8 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7254_hard
sudoku_normal_easy_145
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
659.41..242.8769.5.875.96.37...15.392947.35.153149872.9..18.35.34...7.6.81.6.4..7
659341872423876915187529643768215439294763581531498726976182354342957168815634297
6 5 9 . 4 1 . . 2 4 2 . 8 7 6 9 . 5 . 8 7 5 . 9 6 . 3 7 . . . 1 5 . 3 9 2 9 4 7 . 3 5 . 1 5 3 1 4 9 8 7 2 . 9 . . 1 8 . 3 5 . 3 4 . . . 7 . 6 . 8 1 . 6 . 4 . . 7
6 5 9 3 4 1 8 7 2 4 2 3 8 7 6 9 1 5 1 8 7 5 2 9 6 4 3 7 6 8 2 1 5 4 3 9 2 9 4 7 6 3 5 8 1 5 3 1 4 9 8 7 2 6 9 7 6 1 8 2 3 5 4 3 4 2 9 5 7 1 6 8 8 1 5 6 3 4 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3438_hard
sudoku_normal_easy_146
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
948276.51.314.967.2.7513.944859.2.1312934..6.37685.429.1.73.9458946251377.3194.86
948276351531489672267513894485962713129347568376851429612738945894625137753194286
9 4 8 2 7 6 . 5 1 . 3 1 4 . 9 6 7 . 2 . 7 5 1 3 . 9 4 4 8 5 9 . 2 . 1 3 1 2 9 3 4 . . 6 . 3 7 6 8 5 . 4 2 9 . 1 . 7 3 . 9 4 5 8 9 4 6 2 5 1 3 7 7 . 3 1 9 4 . 8 6
9 4 8 2 7 6 3 5 1 5 3 1 4 8 9 6 7 2 2 6 7 5 1 3 8 9 4 4 8 5 9 6 2 7 1 3 1 2 9 3 4 7 5 6 8 3 7 6 8 5 1 4 2 9 6 1 2 7 3 8 9 4 5 8 9 4 6 2 5 1 3 7 7 5 3 1 9 4 2 8 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4830_hard
sudoku_normal_easy_147
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
756249.313.281.4...41.53269..8.241969.468537.26.197.8.6...31925435.7.61812.5.87.3
756249831392816457841753269578324196914685372263197584687431925435972618129568743
7 5 6 2 4 9 . 3 1 3 . 2 8 1 . 4 . . . 4 1 . 5 3 2 6 9 . . 8 . 2 4 1 9 6 9 . 4 6 8 5 3 7 . 2 6 . 1 9 7 . 8 . 6 . . . 3 1 9 2 5 4 3 5 . 7 . 6 1 8 1 2 . 5 . 8 7 . 3
7 5 6 2 4 9 8 3 1 3 9 2 8 1 6 4 5 7 8 4 1 7 5 3 2 6 9 5 7 8 3 2 4 1 9 6 9 1 4 6 8 5 3 7 2 2 6 3 1 9 7 5 8 4 6 8 7 4 3 1 9 2 5 4 3 5 9 7 2 6 1 8 1 2 9 5 6 8 7 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7628_hard
sudoku_normal_easy_148
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
84567.13.36259178491.43.26..7381.6.2..8.243711..36.4....61..9..234.59.1.7..2.6543
845672139362591784917438265473815692658924371129367458586143927234759816791286543
8 4 5 6 7 . 1 3 . 3 6 2 5 9 1 7 8 4 9 1 . 4 3 . 2 6 . . 7 3 8 1 . 6 . 2 . . 8 . 2 4 3 7 1 1 . . 3 6 . 4 . . . . 6 1 . . 9 . . 2 3 4 . 5 9 . 1 . 7 . . 2 . 6 5 4 3
8 4 5 6 7 2 1 3 9 3 6 2 5 9 1 7 8 4 9 1 7 4 3 8 2 6 5 4 7 3 8 1 5 6 9 2 6 5 8 9 2 4 3 7 1 1 2 9 3 6 7 4 5 8 5 8 6 1 4 3 9 2 7 2 3 4 7 5 9 8 1 6 7 9 1 2 8 6 5 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9193_hard
sudoku_normal_easy_149
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
67.32.1...257..643...658729.43..68179872.....1.648.9..7.816..944928.3561561.4.378
679324185825719643314658729243596817987231456156487932738165294492873561561942378
6 7 . 3 2 . 1 . . . 2 5 7 . . 6 4 3 . . . 6 5 8 7 2 9 . 4 3 . . 6 8 1 7 9 8 7 2 . . . . . 1 . 6 4 8 . 9 . . 7 . 8 1 6 . . 9 4 4 9 2 8 . 3 5 6 1 5 6 1 . 4 . 3 7 8
6 7 9 3 2 4 1 8 5 8 2 5 7 1 9 6 4 3 3 1 4 6 5 8 7 2 9 2 4 3 5 9 6 8 1 7 9 8 7 2 3 1 4 5 6 1 5 6 4 8 7 9 3 2 7 3 8 1 6 5 2 9 4 4 9 2 8 7 3 5 6 1 5 6 1 9 4 2 3 7 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6054_hard
sudoku_normal_medium_0
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.4..2176.5.....1.2...7..85443.9......95.63428.82.7...6.53..79.19.........24.1.6..
348521769567894132219736854436982517795163428182475396653247981971658243824319675
. 4 . . 2 1 7 6 . 5 . . . . . 1 . 2 . . . 7 . . 8 5 4 4 3 . 9 . . . . . . 9 5 . 6 3 4 2 8 . 8 2 . 7 . . . 6 . 5 3 . . 7 9 . 1 9 . . . . . . . . . 2 4 . 1 . 6 . .
3 4 8 5 2 1 7 6 9 5 6 7 8 9 4 1 3 2 2 1 9 7 3 6 8 5 4 4 3 6 9 8 2 5 1 7 7 9 5 1 6 3 4 2 8 1 8 2 4 7 5 3 9 6 6 5 3 2 4 7 9 8 1 9 7 1 6 5 8 2 4 3 8 2 4 3 1 9 6 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5570_hard
sudoku_normal_medium_1
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
8.2..35.4..46.2..7759.4......3.67..5.8...467.61.2.5.3.94...615.5...3.7....65.8..2
862973514134652897759841326493167285285394671617285439948726153521439768376518942
8 . 2 . . 3 5 . 4 . . 4 6 . 2 . . 7 7 5 9 . 4 . . . . . . 3 . 6 7 . . 5 . 8 . . . 4 6 7 . 6 1 . 2 . 5 . 3 . 9 4 . . . 6 1 5 . 5 . . . 3 . 7 . . . . 6 5 . 8 . . 2
8 6 2 9 7 3 5 1 4 1 3 4 6 5 2 8 9 7 7 5 9 8 4 1 3 2 6 4 9 3 1 6 7 2 8 5 2 8 5 3 9 4 6 7 1 6 1 7 2 8 5 4 3 9 9 4 8 7 2 6 1 5 3 5 2 1 4 3 9 7 6 8 3 7 6 5 1 8 9 4 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6401_hard
sudoku_normal_medium_2
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.4597..6.7.1..6...6.8.12.97...23.9.5..9...1.64.....7..57....4189....765..8615....
245973861791586324638412597167238945829745136453691782572369418914827653386154279
. 4 5 9 7 . . 6 . 7 . 1 . . 6 . . . 6 . 8 . 1 2 . 9 7 . . . 2 3 . 9 . 5 . . 9 . . . 1 . 6 4 . . . . . 7 . . 5 7 . . . . 4 1 8 9 . . . . 7 6 5 . . 8 6 1 5 . . . .
2 4 5 9 7 3 8 6 1 7 9 1 5 8 6 3 2 4 6 3 8 4 1 2 5 9 7 1 6 7 2 3 8 9 4 5 8 2 9 7 4 5 1 3 6 4 5 3 6 9 1 7 8 2 5 7 2 3 6 9 4 1 8 9 1 4 8 2 7 6 5 3 3 8 6 1 5 4 2 7 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3085_hard
sudoku_normal_medium_3
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
...2.935..56748.92....53..74..5..93..1.3.7.2426.....7579.8625136.19..2....243...9
847219356356748192129653487478526931915387624263194875794862513631975248582431769
. . . 2 . 9 3 5 . . 5 6 7 4 8 . 9 2 . . . . 5 3 . . 7 4 . . 5 . . 9 3 . . 1 . 3 . 7 . 2 4 2 6 . . . . . 7 5 7 9 . 8 6 2 5 1 3 6 . 1 9 . . 2 . . . . 2 4 3 . . . 9
8 4 7 2 1 9 3 5 6 3 5 6 7 4 8 1 9 2 1 2 9 6 5 3 4 8 7 4 7 8 5 2 6 9 3 1 9 1 5 3 8 7 6 2 4 2 6 3 1 9 4 8 7 5 7 9 4 8 6 2 5 1 3 6 3 1 9 7 5 2 4 8 5 8 2 4 3 1 7 6 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6077_hard
sudoku_normal_medium_4
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.26.1...474.89.52.9.5..4...1.84..2.3.6.9.84.5..913..78.1.725....926.13.768..4915.
826517934741893526935264781178456293263978415459132678314725869592681347687349152
. 2 6 . 1 . . . 4 7 4 . 8 9 . 5 2 . 9 . 5 . . 4 . . . 1 . 8 4 . . 2 . 3 . 6 . 9 . 8 4 . 5 . . 9 1 3 . . 7 8 . 1 . 7 2 5 . . . . 9 2 6 . 1 3 . 7 6 8 . . 4 9 1 5 .
8 2 6 5 1 7 9 3 4 7 4 1 8 9 3 5 2 6 9 3 5 2 6 4 7 8 1 1 7 8 4 5 6 2 9 3 2 6 3 9 7 8 4 1 5 4 5 9 1 3 2 6 7 8 3 1 4 7 2 5 8 6 9 5 9 2 6 8 1 3 4 7 6 8 7 3 4 9 1 5 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9666_hard
sudoku_normal_medium_5
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.75321..9..276..151..49.7...48.5..3.5..6..2...2.1....47.3..4.5.2.....8.1.19.7.3.6
475321689392768415186495723648259137531647298927183564763814952254936871819572346
. 7 5 3 2 1 . . 9 . . 2 7 6 . . 1 5 1 . . 4 9 . 7 . . . 4 8 . 5 . . 3 . 5 . . 6 . . 2 . . . 2 . 1 . . . . 4 7 . 3 . . 4 . 5 . 2 . . . . . 8 . 1 . 1 9 . 7 . 3 . 6
4 7 5 3 2 1 6 8 9 3 9 2 7 6 8 4 1 5 1 8 6 4 9 5 7 2 3 6 4 8 2 5 9 1 3 7 5 3 1 6 4 7 2 9 8 9 2 7 1 8 3 5 6 4 7 6 3 8 1 4 9 5 2 2 5 4 9 3 6 8 7 1 8 1 9 5 7 2 3 4 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5612_hard
sudoku_normal_medium_6
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
4...682....3....6878.2154.364..5....32.7..91.1.86.375......21..87.531.495.1496.27
459368271213947568786215493647159382325784916198623754964872135872531649531496827
4 . . . 6 8 2 . . . . 3 . . . . 6 8 7 8 . 2 1 5 4 . 3 6 4 . . 5 . . . . 3 2 . 7 . . 9 1 . 1 . 8 6 . 3 7 5 . . . . . . 2 1 . . 8 7 . 5 3 1 . 4 9 5 . 1 4 9 6 . 2 7
4 5 9 3 6 8 2 7 1 2 1 3 9 4 7 5 6 8 7 8 6 2 1 5 4 9 3 6 4 7 1 5 9 3 8 2 3 2 5 7 8 4 9 1 6 1 9 8 6 2 3 7 5 4 9 6 4 8 7 2 1 3 5 8 7 2 5 3 1 6 4 9 5 3 1 4 9 6 8 2 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8069_hard
sudoku_normal_medium_7
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
7...9..5.5.124.6..683..7..2.42..3.7..374..2.685....14.....3.7....51.496.41...9.25
724396851591248637683517492142683579937451286856972143269835714375124968418769325
7 . . . 9 . . 5 . 5 . 1 2 4 . 6 . . 6 8 3 . . 7 . . 2 . 4 2 . . 3 . 7 . . 3 7 4 . . 2 . 6 8 5 . . . . 1 4 . . . . . 3 . 7 . . . . 5 1 . 4 9 6 . 4 1 . . . 9 . 2 5
7 2 4 3 9 6 8 5 1 5 9 1 2 4 8 6 3 7 6 8 3 5 1 7 4 9 2 1 4 2 6 8 3 5 7 9 9 3 7 4 5 1 2 8 6 8 5 6 9 7 2 1 4 3 2 6 9 8 3 5 7 1 4 3 7 5 1 2 4 9 6 8 4 1 8 7 6 9 3 2 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3779_hard
sudoku_normal_medium_8
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
..92..41..3..85.2.6429..5387....6..2..475.1..2...91874.....42...716....592.5.8.41
589263417137485629642917538713846952894752163265391874358174296471629385926538741
. . 9 2 . . 4 1 . . 3 . . 8 5 . 2 . 6 4 2 9 . . 5 3 8 7 . . . . 6 . . 2 . . 4 7 5 . 1 . . 2 . . . 9 1 8 7 4 . . . . . 4 2 . . . 7 1 6 . . . . 5 9 2 . 5 . 8 . 4 1
5 8 9 2 6 3 4 1 7 1 3 7 4 8 5 6 2 9 6 4 2 9 1 7 5 3 8 7 1 3 8 4 6 9 5 2 8 9 4 7 5 2 1 6 3 2 6 5 3 9 1 8 7 4 3 5 8 1 7 4 2 9 6 4 7 1 6 2 9 3 8 5 9 2 6 5 3 8 7 4 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7134_hard
sudoku_normal_medium_9
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
..3.9...5.1.3...765974...2.97....41.6.2.4....3412.85.97...842.1.857.23.4.2......7
263897145814325976597416823978653412652149738341278569736984251185762394429531687
. . 3 . 9 . . . 5 . 1 . 3 . . . 7 6 5 9 7 4 . . . 2 . 9 7 . . . . 4 1 . 6 . 2 . 4 . . . . 3 4 1 2 . 8 5 . 9 7 . . . 8 4 2 . 1 . 8 5 7 . 2 3 . 4 . 2 . . . . . . 7
2 6 3 8 9 7 1 4 5 8 1 4 3 2 5 9 7 6 5 9 7 4 1 6 8 2 3 9 7 8 6 5 3 4 1 2 6 5 2 1 4 9 7 3 8 3 4 1 2 7 8 5 6 9 7 3 6 9 8 4 2 5 1 1 8 5 7 6 2 3 9 4 4 2 9 5 3 1 6 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5810_hard
sudoku_normal_medium_10
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.1.9.8.74...2..81..746.5.9..49....21..31..95.7...9..68.....954.9....3...425.61.3.
512938674396274815874615293649587321283146957751392468138729546967453182425861739
. 1 . 9 . 8 . 7 4 . . . 2 . . 8 1 . . 7 4 6 . 5 . 9 . . 4 9 . . . . 2 1 . . 3 1 . . 9 5 . 7 . . . 9 . . 6 8 . . . . . 9 5 4 . 9 . . . . 3 . . . 4 2 5 . 6 1 . 3 .
5 1 2 9 3 8 6 7 4 3 9 6 2 7 4 8 1 5 8 7 4 6 1 5 2 9 3 6 4 9 5 8 7 3 2 1 2 8 3 1 4 6 9 5 7 7 5 1 3 9 2 4 6 8 1 3 8 7 2 9 5 4 6 9 6 7 4 5 3 1 8 2 4 2 5 8 6 1 7 3 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_2143_easy
sudoku_normal_medium_11
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
34...1.25..6...78379...8..187.4.953.9.4.6.278.5...2.1..69.3.1..5312...9..8..95..4
348671925126954783795328641872419536914563278653782419469837152531246897287195364
3 4 . . . 1 . 2 5 . . 6 . . . 7 8 3 7 9 . . . 8 . . 1 8 7 . 4 . 9 5 3 . 9 . 4 . 6 . 2 7 8 . 5 . . . 2 . 1 . . 6 9 . 3 . 1 . . 5 3 1 2 . . . 9 . . 8 . . 9 5 . . 4
3 4 8 6 7 1 9 2 5 1 2 6 9 5 4 7 8 3 7 9 5 3 2 8 6 4 1 8 7 2 4 1 9 5 3 6 9 1 4 5 6 3 2 7 8 6 5 3 7 8 2 4 1 9 4 6 9 8 3 7 1 5 2 5 3 1 2 4 6 8 9 7 2 8 7 1 9 5 3 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5147_hard
sudoku_normal_medium_12
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
64..9...5..83......725.4...1....98.3.54.6.1..8.71.....21.65..38...9382.1.832..596
641792385598316742372584619126479853954863127837125964219657438465938271783241596
6 4 . . 9 . . . 5 . . 8 3 . . . . . . 7 2 5 . 4 . . . 1 . . . . 9 8 . 3 . 5 4 . 6 . 1 . . 8 . 7 1 . . . . . 2 1 . 6 5 . . 3 8 . . . 9 3 8 2 . 1 . 8 3 2 . . 5 9 6
6 4 1 7 9 2 3 8 5 5 9 8 3 1 6 7 4 2 3 7 2 5 8 4 6 1 9 1 2 6 4 7 9 8 5 3 9 5 4 8 6 3 1 2 7 8 3 7 1 2 5 9 6 4 2 1 9 6 5 7 4 3 8 4 6 5 9 3 8 2 7 1 7 8 3 2 4 1 5 9 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5714_hard
sudoku_normal_medium_13
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.45.7.8.6...612..4..7..4.9.7...3...882...5437..34.71....256..8.659.2...13.1749.25
245973816938612574167854293714236958826195437593487162472561389659328741381749625
. 4 5 . 7 . 8 . 6 . . . 6 1 2 . . 4 . . 7 . . 4 . 9 . 7 . . . 3 . . . 8 8 2 . . . 5 4 3 7 . . 3 4 . 7 1 . . . . 2 5 6 . . 8 . 6 5 9 . 2 . . . 1 3 . 1 7 4 9 . 2 5
2 4 5 9 7 3 8 1 6 9 3 8 6 1 2 5 7 4 1 6 7 8 5 4 2 9 3 7 1 4 2 3 6 9 5 8 8 2 6 1 9 5 4 3 7 5 9 3 4 8 7 1 6 2 4 7 2 5 6 1 3 8 9 6 5 9 3 2 8 7 4 1 3 8 1 7 4 9 6 2 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3963_hard
sudoku_normal_medium_14
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
15..79.4.7.6..48.94.9318...8.713....6..7.2..851..4..93.7...3..19.....2.5..526..7.
158679342736524819429318567897135426643792158512846793274953681961487235385261974
1 5 . . 7 9 . 4 . 7 . 6 . . 4 8 . 9 4 . 9 3 1 8 . . . 8 . 7 1 3 . . . . 6 . . 7 . 2 . . 8 5 1 . . 4 . . 9 3 . 7 . . . 3 . . 1 9 . . . . . 2 . 5 . . 5 2 6 . . 7 .
1 5 8 6 7 9 3 4 2 7 3 6 5 2 4 8 1 9 4 2 9 3 1 8 5 6 7 8 9 7 1 3 5 4 2 6 6 4 3 7 9 2 1 5 8 5 1 2 8 4 6 7 9 3 2 7 4 9 5 3 6 8 1 9 6 1 4 8 7 2 3 5 3 8 5 2 6 1 9 7 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9522_hard
sudoku_normal_medium_15
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
6.354.7.1.1...28.5..781..64891....43.24.8519..6....27..326.74.9.7.13...25......17
683549721419762835257813964891276543724385196365491278132657489978134652546928317
6 . 3 5 4 . 7 . 1 . 1 . . . 2 8 . 5 . . 7 8 1 . . 6 4 8 9 1 . . . . 4 3 . 2 4 . 8 5 1 9 . . 6 . . . . 2 7 . . 3 2 6 . 7 4 . 9 . 7 . 1 3 . . . 2 5 . . . . . . 1 7
6 8 3 5 4 9 7 2 1 4 1 9 7 6 2 8 3 5 2 5 7 8 1 3 9 6 4 8 9 1 2 7 6 5 4 3 7 2 4 3 8 5 1 9 6 3 6 5 4 9 1 2 7 8 1 3 2 6 5 7 4 8 9 9 7 8 1 3 4 6 5 2 5 4 6 9 2 8 3 1 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4426_hard
sudoku_normal_medium_16
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.685...7.3..14.56...9.....189.376.1.7....435....25..8748...5.9...6.2.1..2.14..7..
168592473327148569549637821895376214712984356634251987483715692976823145251469738
. 6 8 5 . . . 7 . 3 . . 1 4 . 5 6 . . . 9 . . . . . 1 8 9 . 3 7 6 . 1 . 7 . . . . 4 3 5 . . . . 2 5 . . 8 7 4 8 . . . 5 . 9 . . . 6 . 2 . 1 . . 2 . 1 4 . . 7 . .
1 6 8 5 9 2 4 7 3 3 2 7 1 4 8 5 6 9 5 4 9 6 3 7 8 2 1 8 9 5 3 7 6 2 1 4 7 1 2 9 8 4 3 5 6 6 3 4 2 5 1 9 8 7 4 8 3 7 1 5 6 9 2 9 7 6 8 2 3 1 4 5 2 5 1 4 6 9 7 3 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9700_hard
sudoku_normal_medium_17
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.6...2..9.8..9647519...423.24.5.36..95..6..28..1.287.4.....7..257..4.8..423815.6.
764352189382196475195784236248573691957461328631928754819637542576249813423815967
. 6 . . . 2 . . 9 . 8 . . 9 6 4 7 5 1 9 . . . 4 2 3 . 2 4 . 5 . 3 6 . . 9 5 . . 6 . . 2 8 . . 1 . 2 8 7 . 4 . . . . . 7 . . 2 5 7 . . 4 . 8 . . 4 2 3 8 1 5 . 6 .
7 6 4 3 5 2 1 8 9 3 8 2 1 9 6 4 7 5 1 9 5 7 8 4 2 3 6 2 4 8 5 7 3 6 9 1 9 5 7 4 6 1 3 2 8 6 3 1 9 2 8 7 5 4 8 1 9 6 3 7 5 4 2 5 7 6 2 4 9 8 1 3 4 2 3 8 1 5 9 6 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7409_hard
sudoku_normal_medium_18
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.792.8416...31.2..62.........3..4.8.7..58.6.9..6..9..4..5.32.6..6.7..9.5937..5.4.
379258416458316297621497853293674581714583629586129374145932768862741935937865142
. 7 9 2 . 8 4 1 6 . . . 3 1 . 2 . . 6 2 . . . . . . . . . 3 . . 4 . 8 . 7 . . 5 8 . 6 . 9 . . 6 . . 9 . . 4 . . 5 . 3 2 . 6 . . 6 . 7 . . 9 . 5 9 3 7 . . 5 . 4 .
3 7 9 2 5 8 4 1 6 4 5 8 3 1 6 2 9 7 6 2 1 4 9 7 8 5 3 2 9 3 6 7 4 5 8 1 7 1 4 5 8 3 6 2 9 5 8 6 1 2 9 3 7 4 1 4 5 9 3 2 7 6 8 8 6 2 7 4 1 9 3 5 9 3 7 8 6 5 1 4 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4646_hard
sudoku_normal_medium_19
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
7.9.12683..68..2.5.2..5694..71.3...43....9.2...214.3.6.....4768..75..4..28..731.9
759412683436897215128356947671238594345769821892145376513924768967581432284673159
7 . 9 . 1 2 6 8 3 . . 6 8 . . 2 . 5 . 2 . . 5 6 9 4 . . 7 1 . 3 . . . 4 3 . . . . 9 . 2 . . . 2 1 4 . 3 . 6 . . . . . 4 7 6 8 . . 7 5 . . 4 . . 2 8 . . 7 3 1 . 9
7 5 9 4 1 2 6 8 3 4 3 6 8 9 7 2 1 5 1 2 8 3 5 6 9 4 7 6 7 1 2 3 8 5 9 4 3 4 5 7 6 9 8 2 1 8 9 2 1 4 5 3 7 6 5 1 3 9 2 4 7 6 8 9 6 7 5 8 1 4 3 2 2 8 4 6 7 3 1 5 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6118_hard
sudoku_normal_medium_20
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
5...3.4....7..4..3...985.7.7195.3.2..3.1..9..2.58..341.5347..62..2..6.94.7.21..3.
526731489897624513341985276719543628438162957265897341953478162182356794674219835
5 . . . 3 . 4 . . . . 7 . . 4 . . 3 . . . 9 8 5 . 7 . 7 1 9 5 . 3 . 2 . . 3 . 1 . . 9 . . 2 . 5 8 . . 3 4 1 . 5 3 4 7 . . 6 2 . . 2 . . 6 . 9 4 . 7 . 2 1 . . 3 .
5 2 6 7 3 1 4 8 9 8 9 7 6 2 4 5 1 3 3 4 1 9 8 5 2 7 6 7 1 9 5 4 3 6 2 8 4 3 8 1 6 2 9 5 7 2 6 5 8 9 7 3 4 1 9 5 3 4 7 8 1 6 2 1 8 2 3 5 6 7 9 4 6 7 4 2 1 9 8 3 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5969_hard
sudoku_normal_medium_21
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
8.96...1..5.8..9...3..4.8.6.981.426.261.7.5....49.....9..4.5671..5....927162..4.8
849632715652817934137549826398154267261378549574926183923485671485761392716293458
8 . 9 6 . . . 1 . . 5 . 8 . . 9 . . . 3 . . 4 . 8 . 6 . 9 8 1 . 4 2 6 . 2 6 1 . 7 . 5 . . . . 4 9 . . . . . 9 . . 4 . 5 6 7 1 . . 5 . . . . 9 2 7 1 6 2 . . 4 . 8
8 4 9 6 3 2 7 1 5 6 5 2 8 1 7 9 3 4 1 3 7 5 4 9 8 2 6 3 9 8 1 5 4 2 6 7 2 6 1 3 7 8 5 4 9 5 7 4 9 2 6 1 8 3 9 2 3 4 8 5 6 7 1 4 8 5 7 6 1 3 9 2 7 1 6 2 9 3 4 5 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7423_hard
sudoku_normal_medium_22
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.6.3.2..53.87..21..9...8.....1....42..54.63784.3.2.15.8..6.4..3.34.7.5...562...9.
167392485348765219592148637671583942925416378483927156819654723234879561756231894
. 6 . 3 . 2 . . 5 3 . 8 7 . . 2 1 . . 9 . . . 8 . . . . . 1 . . . . 4 2 . . 5 4 . 6 3 7 8 4 . 3 . 2 . 1 5 . 8 . . 6 . 4 . . 3 . 3 4 . 7 . 5 . . . 5 6 2 . . . 9 .
1 6 7 3 9 2 4 8 5 3 4 8 7 6 5 2 1 9 5 9 2 1 4 8 6 3 7 6 7 1 5 8 3 9 4 2 9 2 5 4 1 6 3 7 8 4 8 3 9 2 7 1 5 6 8 1 9 6 5 4 7 2 3 2 3 4 8 7 9 5 6 1 7 5 6 2 3 1 8 9 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5613_hard
sudoku_normal_medium_23
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.6427....28.4.5...5.73861.4.7..32.8...56.74.2..684.....12...853.5.72.6.164......7
164279538283415769597386124471532986835697412926841375712964853359728641648153297
. 6 4 2 7 . . . . 2 8 . 4 . 5 . . . 5 . 7 3 8 6 1 . 4 . 7 . . 3 2 . 8 . . . 5 6 . 7 4 . 2 . . 6 8 4 . . . . . 1 2 . . . 8 5 3 . 5 . 7 2 . 6 . 1 6 4 . . . . . . 7
1 6 4 2 7 9 5 3 8 2 8 3 4 1 5 7 6 9 5 9 7 3 8 6 1 2 4 4 7 1 5 3 2 9 8 6 8 3 5 6 9 7 4 1 2 9 2 6 8 4 1 3 7 5 7 1 2 9 6 4 8 5 3 3 5 9 7 2 8 6 4 1 6 4 8 1 5 3 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8567_hard
sudoku_normal_medium_24
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.8...3.1...51.46831..68..24.428....9.6.3..17.5.32.74..3.6..82..9...3...5.5.91..36
684523917295174683137689524742861359869345172513297468376458291921736845458912736
. 8 . . . 3 . 1 . . . 5 1 . 4 6 8 3 1 . . 6 8 . . 2 4 . 4 2 8 . . . . 9 . 6 . 3 . . 1 7 . 5 . 3 2 . 7 4 . . 3 . 6 . . 8 2 . . 9 . . . 3 . . . 5 . 5 . 9 1 . . 3 6
6 8 4 5 2 3 9 1 7 2 9 5 1 7 4 6 8 3 1 3 7 6 8 9 5 2 4 7 4 2 8 6 1 3 5 9 8 6 9 3 4 5 1 7 2 5 1 3 2 9 7 4 6 8 3 7 6 4 5 8 2 9 1 9 2 1 7 3 6 8 4 5 4 5 8 9 1 2 7 3 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8008_hard
sudoku_normal_medium_25
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
14.3...7.7.3..4.5.892..5..4..157...3.54..67...3..2..86.....76..5...83.2.47.9..8.1
145368972763294158892715364681579243254836719937421586328147695519683427476952831
1 4 . 3 . . . 7 . 7 . 3 . . 4 . 5 . 8 9 2 . . 5 . . 4 . . 1 5 7 . . . 3 . 5 4 . . 6 7 . . . 3 . . 2 . . 8 6 . . . . . 7 6 . . 5 . . . 8 3 . 2 . 4 7 . 9 . . 8 . 1
1 4 5 3 6 8 9 7 2 7 6 3 2 9 4 1 5 8 8 9 2 7 1 5 3 6 4 6 8 1 5 7 9 2 4 3 2 5 4 8 3 6 7 1 9 9 3 7 4 2 1 5 8 6 3 2 8 1 4 7 6 9 5 5 1 9 6 8 3 4 2 7 4 7 6 9 5 2 8 3 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8937_hard
sudoku_normal_medium_26
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
13.5....7..716..84485.29.1.853.769.126.....75..4...3623496.2..85..9.......8.3.1..
136548297927163584485729613853276941261394875794851362349612758512987436678435129
1 3 . 5 . . . . 7 . . 7 1 6 . . 8 4 4 8 5 . 2 9 . 1 . 8 5 3 . 7 6 9 . 1 2 6 . . . . . 7 5 . . 4 . . . 3 6 2 3 4 9 6 . 2 . . 8 5 . . 9 . . . . . . . 8 . 3 . 1 . .
1 3 6 5 4 8 2 9 7 9 2 7 1 6 3 5 8 4 4 8 5 7 2 9 6 1 3 8 5 3 2 7 6 9 4 1 2 6 1 3 9 4 8 7 5 7 9 4 8 5 1 3 6 2 3 4 9 6 1 2 7 5 8 5 1 2 9 8 7 4 3 6 6 7 8 4 3 5 1 2 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3115_hard
sudoku_normal_medium_27
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
3....6..7.749..8....8.17.4..37.98..44..26....8.2...1.3.4.7.9..81.6.5..7..936...5.
351846927674925831928317546537198264419263785862574193245739618186452379793681452
3 . . . . 6 . . 7 . 7 4 9 . . 8 . . . . 8 . 1 7 . 4 . . 3 7 . 9 8 . . 4 4 . . 2 6 . . . . 8 . 2 . . . 1 . 3 . 4 . 7 . 9 . . 8 1 . 6 . 5 . . 7 . . 9 3 6 . . . 5 .
3 5 1 8 4 6 9 2 7 6 7 4 9 2 5 8 3 1 9 2 8 3 1 7 5 4 6 5 3 7 1 9 8 2 6 4 4 1 9 2 6 3 7 8 5 8 6 2 5 7 4 1 9 3 2 4 5 7 3 9 6 1 8 1 8 6 4 5 2 3 7 9 7 9 3 6 8 1 4 5 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3248_hard
sudoku_normal_medium_28
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
4..2876952.8.693....6..4....8142.9.3.4...1.5.76.853....3...2.1.6..9..7.8..5.7..64
413287695258169347976534182581426973342791856769853421837642519624915738195378264
4 . . 2 8 7 6 9 5 2 . 8 . 6 9 3 . . . . 6 . . 4 . . . . 8 1 4 2 . 9 . 3 . 4 . . . 1 . 5 . 7 6 . 8 5 3 . . . . 3 . . . 2 . 1 . 6 . . 9 . . 7 . 8 . . 5 . 7 . . 6 4
4 1 3 2 8 7 6 9 5 2 5 8 1 6 9 3 4 7 9 7 6 5 3 4 1 8 2 5 8 1 4 2 6 9 7 3 3 4 2 7 9 1 8 5 6 7 6 9 8 5 3 4 2 1 8 3 7 6 4 2 5 1 9 6 2 4 9 1 5 7 3 8 1 9 5 3 7 8 2 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5627_hard
sudoku_normal_medium_29
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
..95...13.3..4.67.68.2.75....37948......53..49..8...5.21.3...8.....18.2..684....5
479586213532941678681237549153794862826153794947862351214375986395618427768429135
. . 9 5 . . . 1 3 . 3 . . 4 . 6 7 . 6 8 . 2 . 7 5 . . . . 3 7 9 4 8 . . . . . . 5 3 . . 4 9 . . 8 . . . 5 . 2 1 . 3 . . . 8 . . . . . 1 8 . 2 . . 6 8 4 . . . . 5
4 7 9 5 8 6 2 1 3 5 3 2 9 4 1 6 7 8 6 8 1 2 3 7 5 4 9 1 5 3 7 9 4 8 6 2 8 2 6 1 5 3 7 9 4 9 4 7 8 6 2 3 5 1 2 1 4 3 7 5 9 8 6 3 9 5 6 1 8 4 2 7 7 6 8 4 2 9 1 3 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6532_hard
sudoku_normal_medium_30
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.58.....67.31..9...195...27.9743.....428.573.3..21....5.63812...2..5..1.9.1..28..
258973146763124958419568327197436582642895731385217469576381294824759613931642875
. 5 8 . . . . . 6 7 . 3 1 . . 9 . . . 1 9 5 . . . 2 7 . 9 7 4 3 . . . . . 4 2 8 . 5 7 3 . 3 . . 2 1 . . . . 5 . 6 3 8 1 2 . . . 2 . . 5 . . 1 . 9 . 1 . . 2 8 . .
2 5 8 9 7 3 1 4 6 7 6 3 1 2 4 9 5 8 4 1 9 5 6 8 3 2 7 1 9 7 4 3 6 5 8 2 6 4 2 8 9 5 7 3 1 3 8 5 2 1 7 4 6 9 5 7 6 3 8 1 2 9 4 8 2 4 7 5 9 6 1 3 9 3 1 6 4 2 8 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7957_hard
sudoku_normal_medium_31
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
8.9..7....1.8..9.36759134...5378......4..915..674.123.391.74...5.839...4746..83..
839247561412865973675913482153782649284639157967451238391574826528396714746128395
8 . 9 . . 7 . . . . 1 . 8 . . 9 . 3 6 7 5 9 1 3 4 . . . 5 3 7 8 . . . . . . 4 . . 9 1 5 . . 6 7 4 . 1 2 3 . 3 9 1 . 7 4 . . . 5 . 8 3 9 . . . 4 7 4 6 . . 8 3 . .
8 3 9 2 4 7 5 6 1 4 1 2 8 6 5 9 7 3 6 7 5 9 1 3 4 8 2 1 5 3 7 8 2 6 4 9 2 8 4 6 3 9 1 5 7 9 6 7 4 5 1 2 3 8 3 9 1 5 7 4 8 2 6 5 2 8 3 9 6 7 1 4 7 4 6 1 2 8 3 9 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9931_hard
sudoku_normal_medium_32
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
2.....45...4231.7.89.45.36..4.....36..86.92.7.26743.9.6.93..7.44859.261..32.649..
273896451564231879891457362947528136358619247126743598619385724485972613732164985
2 . . . . . 4 5 . . . 4 2 3 1 . 7 . 8 9 . 4 5 . 3 6 . . 4 . . . . . 3 6 . . 8 6 . 9 2 . 7 . 2 6 7 4 3 . 9 . 6 . 9 3 . . 7 . 4 4 8 5 9 . 2 6 1 . . 3 2 . 6 4 9 . .
2 7 3 8 9 6 4 5 1 5 6 4 2 3 1 8 7 9 8 9 1 4 5 7 3 6 2 9 4 7 5 2 8 1 3 6 3 5 8 6 1 9 2 4 7 1 2 6 7 4 3 5 9 8 6 1 9 3 8 5 7 2 4 4 8 5 9 7 2 6 1 3 7 3 2 1 6 4 9 8 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8933_hard
sudoku_normal_medium_33
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.91.673.44..9.3.5.36.41..728.2.467.9.13.9.546..9571..3..4728.65......4.818....29.
591267384427983651368415972852346719713892546649571823934728165276159438185634297
. 9 1 . 6 7 3 . 4 4 . . 9 . 3 . 5 . 3 6 . 4 1 . . 7 2 8 . 2 . 4 6 7 . 9 . 1 3 . 9 . 5 4 6 . . 9 5 7 1 . . 3 . . 4 7 2 8 . 6 5 . . . . . . 4 . 8 1 8 . . . . 2 9 .
5 9 1 2 6 7 3 8 4 4 2 7 9 8 3 6 5 1 3 6 8 4 1 5 9 7 2 8 5 2 3 4 6 7 1 9 7 1 3 8 9 2 5 4 6 6 4 9 5 7 1 8 2 3 9 3 4 7 2 8 1 6 5 2 7 6 1 5 9 4 3 8 1 8 5 6 3 4 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3498_hard
sudoku_normal_medium_34
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
89163.457.23.....146..18..2...89.1.6.7916..4....427....5...67.9.362..8159...5..6.
891632457523974681467518932245893176379165248618427593154386729736249815982751364
8 9 1 6 3 . 4 5 7 . 2 3 . . . . . 1 4 6 . . 1 8 . . 2 . . . 8 9 . 1 . 6 . 7 9 1 6 . . 4 . . . . 4 2 7 . . . . 5 . . . 6 7 . 9 . 3 6 2 . . 8 1 5 9 . . . 5 . . 6 .
8 9 1 6 3 2 4 5 7 5 2 3 9 7 4 6 8 1 4 6 7 5 1 8 9 3 2 2 4 5 8 9 3 1 7 6 3 7 9 1 6 5 2 4 8 6 1 8 4 2 7 5 9 3 1 5 4 3 8 6 7 2 9 7 3 6 2 4 9 8 1 5 9 8 2 7 5 1 3 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5060_hard
sudoku_normal_medium_35
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.8.3.75..7..45..986...283.73.......1.6.7..83.21...396..712.4....368.5..9.5..7.41.
184397526723456198695128347348962751569741832217583964971234685436815279852679413
. 8 . 3 . 7 5 . . 7 . . 4 5 . . 9 8 6 . . . 2 8 3 . 7 3 . . . . . . . 1 . 6 . 7 . . 8 3 . 2 1 . . . 3 9 6 . . 7 1 2 . 4 . . . . 3 6 8 . 5 . . 9 . 5 . . 7 . 4 1 .
1 8 4 3 9 7 5 2 6 7 2 3 4 5 6 1 9 8 6 9 5 1 2 8 3 4 7 3 4 8 9 6 2 7 5 1 5 6 9 7 4 1 8 3 2 2 1 7 5 8 3 9 6 4 9 7 1 2 3 4 6 8 5 4 3 6 8 1 5 2 7 9 8 5 2 6 7 9 4 1 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7860_hard
sudoku_normal_medium_36
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.....9...58.43.7....2175.8.6..21.4..4.1..6.2.3..9486...53.64.977...2.8.4.6479.5..
137689245586432719942175386698217453471356928325948671253864197719523864864791532
. . . . . 9 . . . 5 8 . 4 3 . 7 . . . . 2 1 7 5 . 8 . 6 . . 2 1 . 4 . . 4 . 1 . . 6 . 2 . 3 . . 9 4 8 6 . . . 5 3 . 6 4 . 9 7 7 . . . 2 . 8 . 4 . 6 4 7 9 . 5 . .
1 3 7 6 8 9 2 4 5 5 8 6 4 3 2 7 1 9 9 4 2 1 7 5 3 8 6 6 9 8 2 1 7 4 5 3 4 7 1 3 5 6 9 2 8 3 2 5 9 4 8 6 7 1 2 5 3 8 6 4 1 9 7 7 1 9 5 2 3 8 6 4 8 6 4 7 9 1 5 3 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3284_hard
sudoku_normal_medium_37
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.1.8..5.6597....48.3..4.71.34..78...6..4.135....5638.44.27..6.1...6.....963.8..75
214897536597316248836245719345978162689421357721563894452739681178654923963182475
. 1 . 8 . . 5 . 6 5 9 7 . . . . 4 8 . 3 . . 4 . 7 1 . 3 4 . . 7 8 . . . 6 . . 4 . 1 3 5 . . . . 5 6 3 8 . 4 4 . 2 7 . . 6 . 1 . . . 6 . . . . . 9 6 3 . 8 . . 7 5
2 1 4 8 9 7 5 3 6 5 9 7 3 1 6 2 4 8 8 3 6 2 4 5 7 1 9 3 4 5 9 7 8 1 6 2 6 8 9 4 2 1 3 5 7 7 2 1 5 6 3 8 9 4 4 5 2 7 3 9 6 8 1 1 7 8 6 5 4 9 2 3 9 6 3 1 8 2 4 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9813_hard
sudoku_normal_medium_38
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.7.865.32..5.4.7..8..9..5.46.9...1....1.....8.3..56.7.9235..64....63.82.5.6.12..7
174865932395241786862973514649728153751394268238156479923587641417639825586412397
. 7 . 8 6 5 . 3 2 . . 5 . 4 . 7 . . 8 . . 9 . . 5 . 4 6 . 9 . . . 1 . . . . 1 . . . . . 8 . 3 . . 5 6 . 7 . 9 2 3 5 . . 6 4 . . . . 6 3 . 8 2 . 5 . 6 . 1 2 . . 7
1 7 4 8 6 5 9 3 2 3 9 5 2 4 1 7 8 6 8 6 2 9 7 3 5 1 4 6 4 9 7 2 8 1 5 3 7 5 1 3 9 4 2 6 8 2 3 8 1 5 6 4 7 9 9 2 3 5 8 7 6 4 1 4 1 7 6 3 9 8 2 5 5 8 6 4 1 2 3 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6530_hard
sudoku_normal_medium_39
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
17.364.2...2.513.44.5.8.....9742.15.84....29...1..9..3.5.6....2..91.5.3.7.....549
178364925962751384435982671697423158843516297521879463354697812289145736716238549
1 7 . 3 6 4 . 2 . . . 2 . 5 1 3 . 4 4 . 5 . 8 . . . . . 9 7 4 2 . 1 5 . 8 4 . . . . 2 9 . . . 1 . . 9 . . 3 . 5 . 6 . . . . 2 . . 9 1 . 5 . 3 . 7 . . . . . 5 4 9
1 7 8 3 6 4 9 2 5 9 6 2 7 5 1 3 8 4 4 3 5 9 8 2 6 7 1 6 9 7 4 2 3 1 5 8 8 4 3 5 1 6 2 9 7 5 2 1 8 7 9 4 6 3 3 5 4 6 9 7 8 1 2 2 8 9 1 4 5 7 3 6 7 1 6 2 3 8 5 4 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5263_hard
sudoku_normal_medium_40
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
29.1......5..8.193.1..67.28...21395.9325...1.1756.98...698...7.3247...89.....6.45
298135764657482193413967528846213957932578416175649832569824371324751689781396245
2 9 . 1 . . . . . . 5 . . 8 . 1 9 3 . 1 . . 6 7 . 2 8 . . . 2 1 3 9 5 . 9 3 2 5 . . . 1 . 1 7 5 6 . 9 8 . . . 6 9 8 . . . 7 . 3 2 4 7 . . . 8 9 . . . . . 6 . 4 5
2 9 8 1 3 5 7 6 4 6 5 7 4 8 2 1 9 3 4 1 3 9 6 7 5 2 8 8 4 6 2 1 3 9 5 7 9 3 2 5 7 8 4 1 6 1 7 5 6 4 9 8 3 2 5 6 9 8 2 4 3 7 1 3 2 4 7 5 1 6 8 9 7 8 1 3 9 6 2 4 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7217_hard
sudoku_normal_medium_41
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.5..7.2.1..2..5.6.19..3.8...8..1462...43291.8.2.58..49.7.94.5364.....9.2.15.6348.
653478291842195763197632854389714625564329178721586349278941536436857912915263487
. 5 . . 7 . 2 . 1 . . 2 . . 5 . 6 . 1 9 . . 3 . 8 . . . 8 . . 1 4 6 2 . . . 4 3 2 9 1 . 8 . 2 . 5 8 . . 4 9 . 7 . 9 4 . 5 3 6 4 . . . . . 9 . 2 . 1 5 . 6 3 4 8 .
6 5 3 4 7 8 2 9 1 8 4 2 1 9 5 7 6 3 1 9 7 6 3 2 8 5 4 3 8 9 7 1 4 6 2 5 5 6 4 3 2 9 1 7 8 7 2 1 5 8 6 3 4 9 2 7 8 9 4 1 5 3 6 4 3 6 8 5 7 9 1 2 9 1 5 2 6 3 4 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9202_hard
sudoku_normal_medium_42
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
249..17.3..3.45.....897...2.2.7..3.6..6..9..449538627118249..3.63.51.9..95.6.24..
249861753713245869568973142821754396376129584495386271182497635634518927957632418
2 4 9 . . 1 7 . 3 . . 3 . 4 5 . . . . . 8 9 7 . . . 2 . 2 . 7 . . 3 . 6 . . 6 . . 9 . . 4 4 9 5 3 8 6 2 7 1 1 8 2 4 9 . . 3 . 6 3 . 5 1 . 9 . . 9 5 . 6 . 2 4 . .
2 4 9 8 6 1 7 5 3 7 1 3 2 4 5 8 6 9 5 6 8 9 7 3 1 4 2 8 2 1 7 5 4 3 9 6 3 7 6 1 2 9 5 8 4 4 9 5 3 8 6 2 7 1 1 8 2 4 9 7 6 3 5 6 3 4 5 1 8 9 2 7 9 5 7 6 3 2 4 1 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_163_easy
sudoku_normal_medium_43
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
.8.1.35..4..2.71861524863798279.14.5...3..9.79.3..4.6.....3......8.1.75457.8.96..
786193542439257186152486379827961435645328917913574268264735891398612754571849623
. 8 . 1 . 3 5 . . 4 . . 2 . 7 1 8 6 1 5 2 4 8 6 3 7 9 8 2 7 9 . 1 4 . 5 . . . 3 . . 9 . 7 9 . 3 . . 4 . 6 . . . . . 3 . . . . . . 8 . 1 . 7 5 4 5 7 . 8 . 9 6 . .
7 8 6 1 9 3 5 4 2 4 3 9 2 5 7 1 8 6 1 5 2 4 8 6 3 7 9 8 2 7 9 6 1 4 3 5 6 4 5 3 2 8 9 1 7 9 1 3 5 7 4 2 6 8 2 6 4 7 3 5 8 9 1 3 9 8 6 1 2 7 5 4 5 7 1 8 4 9 6 2 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9678_hard
sudoku_normal_medium_44
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
4..39...2.1...89.7...2.7..5.36.7.1.8..4.5.6.32..8..4.....61.5.4..3..52..96.423781
457391862312568947689247315536974128894152673271836459728619534143785296965423781
4 . . 3 9 . . . 2 . 1 . . . 8 9 . 7 . . . 2 . 7 . . 5 . 3 6 . 7 . 1 . 8 . . 4 . 5 . 6 . 3 2 . . 8 . . 4 . . . . . 6 1 . 5 . 4 . . 3 . . 5 2 . . 9 6 . 4 2 3 7 8 1
4 5 7 3 9 1 8 6 2 3 1 2 5 6 8 9 4 7 6 8 9 2 4 7 3 1 5 5 3 6 9 7 4 1 2 8 8 9 4 1 5 2 6 7 3 2 7 1 8 3 6 4 5 9 7 2 8 6 1 9 5 3 4 1 4 3 7 8 5 2 9 6 9 6 5 4 2 3 7 8 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7254_hard
sudoku_normal_medium_45
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
..9...8.24..87.9...87...6..7..215.....47.3..1.3149.7.697.18.3..3.2.57.6.815...297
659341872423876915187529643768215439294763581531498726976182354342957168815634297
. . 9 . . . 8 . 2 4 . . 8 7 . 9 . . . 8 7 . . . 6 . . 7 . . 2 1 5 . . . . . 4 7 . 3 . . 1 . 3 1 4 9 . 7 . 6 9 7 . 1 8 . 3 . . 3 . 2 . 5 7 . 6 . 8 1 5 . . . 2 9 7
6 5 9 3 4 1 8 7 2 4 2 3 8 7 6 9 1 5 1 8 7 5 2 9 6 4 3 7 6 8 2 1 5 4 3 9 2 9 4 7 6 3 5 8 1 5 3 1 4 9 8 7 2 6 9 7 6 1 8 2 3 5 4 3 4 2 9 5 7 1 6 8 8 1 5 6 3 4 2 9 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3438_hard
sudoku_normal_medium_46
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
....763..5314.96.22..5...94.85..2.....93.7.6.37..514.9.1.73.94.8..6..13..531942.6
948276351531489672267513894485962713129347568376851429612738945894625137753194286
. . . . 7 6 3 . . 5 3 1 4 . 9 6 . 2 2 . . 5 . . . 9 4 . 8 5 . . 2 . . . . . 9 3 . 7 . 6 . 3 7 . . 5 1 4 . 9 . 1 . 7 3 . 9 4 . 8 . . 6 . . 1 3 . . 5 3 1 9 4 2 . 6
9 4 8 2 7 6 3 5 1 5 3 1 4 8 9 6 7 2 2 6 7 5 1 3 8 9 4 4 8 5 9 6 2 7 1 3 1 2 9 3 4 7 5 6 8 3 7 6 8 5 1 4 2 9 6 1 2 7 3 8 9 4 5 8 9 4 6 2 5 1 3 7 7 5 3 1 9 4 2 8 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4830_hard
sudoku_normal_medium_47
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
7....9.3...28..4.784..5....57832...69...8537..6...758..8...19254...7..1812.5.8..3
756249831392816457841753269578324196914685372263197584687431925435972618129568743
7 . . . . 9 . 3 . . . 2 8 . . 4 . 7 8 4 . . 5 . . . . 5 7 8 3 2 . . . 6 9 . . . 8 5 3 7 . . 6 . . . 7 5 8 . . 8 . . . 1 9 2 5 4 . . . 7 . . 1 8 1 2 . 5 . 8 . . 3
7 5 6 2 4 9 8 3 1 3 9 2 8 1 6 4 5 7 8 4 1 7 5 3 2 6 9 5 7 8 3 2 4 1 9 6 9 1 4 6 8 5 3 7 2 2 6 3 1 9 7 5 8 4 6 8 7 4 3 1 9 2 5 4 3 5 9 7 2 6 1 8 1 2 9 5 6 8 7 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7628_hard
sudoku_normal_medium_48
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
8.5.......6...1.84...43.265.7....6..6.89.4.711.93...5.5.61..9...34.5....79.2.6.43
845672139362591784917438265473815692658924371129367458586143927234759816791286543
8 . 5 . . . . . . . 6 . . . 1 . 8 4 . . . 4 3 . 2 6 5 . 7 . . . . 6 . . 6 . 8 9 . 4 . 7 1 1 . 9 3 . . . 5 . 5 . 6 1 . . 9 . . . 3 4 . 5 . . . . 7 9 . 2 . 6 . 4 3
8 4 5 6 7 2 1 3 9 3 6 2 5 9 1 7 8 4 9 1 7 4 3 8 2 6 5 4 7 3 8 1 5 6 9 2 6 5 8 9 2 4 3 7 1 1 2 9 3 6 7 4 5 8 5 8 6 1 4 3 9 2 7 2 3 4 7 5 9 8 1 6 7 9 1 2 8 6 5 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9193_hard
sudoku_normal_medium_49
9
9
Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
None
6.932.1..825.1..43...6.8.2..43....17.87.31...1.64..93....16529449...3.61.61.4.3..
679324185825719643314658729243596817987231456156487932738165294492873561561942378
6 . 9 3 2 . 1 . . 8 2 5 . 1 . . 4 3 . . . 6 . 8 . 2 . . 4 3 . . . . 1 7 . 8 7 . 3 1 . . . 1 . 6 4 . . 9 3 . . . . 1 6 5 2 9 4 4 9 . . . 3 . 6 1 . 6 1 . 4 . 3 . .
6 7 9 3 2 4 1 8 5 8 2 5 7 1 9 6 4 3 3 1 4 6 5 8 7 2 9 2 4 3 5 9 6 8 1 7 9 8 7 2 3 1 4 5 6 1 5 6 4 8 7 9 3 2 7 3 8 1 6 5 2 9 4 4 9 2 8 7 3 5 6 1 5 6 1 9 4 2 3 7 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6054_hard