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_medium_50
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
...857.16.2...95..1.54..9..4.9...1...5.14.6..8.1.724355...9.76..8.5.43212..7.1.5.
394857216628319547175426983439685172752143698861972435513298764987564321246731859
. . . 8 5 7 . 1 6 . 2 . . . 9 5 . . 1 . 5 4 . . 9 . . 4 . 9 . . . 1 . . . 5 . 1 4 . 6 . . 8 . 1 . 7 2 4 3 5 5 . . . 9 . 7 6 . . 8 . 5 . 4 3 2 1 2 . . 7 . 1 . 5 .
3 9 4 8 5 7 2 1 6 6 2 8 3 1 9 5 4 7 1 7 5 4 2 6 9 8 3 4 3 9 6 8 5 1 7 2 7 5 2 1 4 3 6 9 8 8 6 1 9 7 2 4 3 5 5 1 3 2 9 8 7 6 4 9 8 7 5 6 4 3 2 1 2 4 6 7 3 1 8 5 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4732_hard
sudoku_normal_medium_51
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..7..2...21..5.9..3..1.8.956.32..6........183.5269..4....5.1..9..487.5678..9..
851967432436218759972345168795683214624179385183452697348796521219534876567821943
. . 1 . . 7 . . 2 . . . 2 1 . . 5 . 9 . . 3 . . 1 . 8 . 9 5 6 . 3 2 . . 6 . . . . . . . . 1 8 3 . 5 2 6 9 . . 4 . . . . 5 . 1 . . 9 . . 4 8 7 . 5 6 7 8 . . 9 . .
8 5 1 9 6 7 4 3 2 4 3 6 2 1 8 7 5 9 9 7 2 3 4 5 1 6 8 7 9 5 6 8 3 2 1 4 6 2 4 1 7 9 3 8 5 1 8 3 4 5 2 6 9 7 3 4 8 7 9 6 5 2 1 2 1 9 5 3 4 8 7 6 5 6 7 8 2 1 9 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4370_hard
sudoku_normal_medium_52
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....8..3..5....6...265..1.3.9..4..81.7..6.2..2..1.3...483697..95...26..673....89
716298543835471962492653817369524178187936425524817396248369751951782634673145289
7 . . . . 8 . . 3 . . 5 . . . . 6 . . . 2 6 5 . . 1 . 3 . 9 . . 4 . . 8 1 . 7 . . 6 . 2 . . 2 . . 1 . 3 . . . 4 8 3 6 9 7 . . 9 5 . . . 2 6 . . 6 7 3 . . . . 8 9
7 1 6 2 9 8 5 4 3 8 3 5 4 7 1 9 6 2 4 9 2 6 5 3 8 1 7 3 6 9 5 2 4 1 7 8 1 8 7 9 3 6 4 2 5 5 2 4 8 1 7 3 9 6 2 4 8 3 6 9 7 5 1 9 5 1 7 8 2 6 3 4 6 7 3 1 4 5 2 8 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4294_hard
sudoku_normal_medium_53
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
153..4..2..81...3727..6.9..5...492..3..2.....86.53.1.4.3647.51...1856..94.5913.2.
153794862698125437274368951517649283349281675862537194936472518721856349485913726
1 5 3 . . 4 . . 2 . . 8 1 . . . 3 7 2 7 . . 6 . 9 . . 5 . . . 4 9 2 . . 3 . . 2 . . . . . 8 6 . 5 3 . 1 . 4 . 3 6 4 7 . 5 1 . . . 1 8 5 6 . . 9 4 . 5 9 1 3 . 2 .
1 5 3 7 9 4 8 6 2 6 9 8 1 2 5 4 3 7 2 7 4 3 6 8 9 5 1 5 1 7 6 4 9 2 8 3 3 4 9 2 8 1 6 7 5 8 6 2 5 3 7 1 9 4 9 3 6 4 7 2 5 1 8 7 2 1 8 5 6 3 4 9 4 8 5 9 1 3 7 2 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7559_hard
sudoku_normal_medium_54
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..4...95.597.823.432.5.67.564.8.7....36.4.81.17......2..84.9...9.5.3..7.45....62
786432195159768234432159678564381729923674581817295346271846953698523417345917862
7 . . 4 . . . 9 5 . 5 9 7 . 8 2 3 . 4 3 2 . 5 . 6 7 . 5 6 4 . 8 . 7 . . . . 3 6 . 4 . 8 1 . 1 7 . . . . . . 2 . . 8 4 . 9 . . . 9 . 5 . 3 . . 7 . 4 5 . . . . 6 2
7 8 6 4 3 2 1 9 5 1 5 9 7 6 8 2 3 4 4 3 2 1 5 9 6 7 8 5 6 4 3 8 1 7 2 9 9 2 3 6 7 4 5 8 1 8 1 7 2 9 5 3 4 6 2 7 1 8 4 6 9 5 3 6 9 8 5 2 3 4 1 7 3 4 5 9 1 7 8 6 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6940_hard
sudoku_normal_medium_55
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....52.35.247..19816...5...879...51....83..6.612...9.17...9842..9..4...42.73..65
794615283532478619816392574287946351945183726361257498173569842659824137428731965
7 . . . . 5 2 . 3 5 . 2 4 7 . . 1 9 8 1 6 . . . 5 . . . 8 7 9 . . . 5 1 . . . . 8 3 . . 6 . 6 1 2 . . . 9 . 1 7 . . . 9 8 4 2 . . 9 . . 4 . . . 4 2 . 7 3 . . 6 5
7 9 4 6 1 5 2 8 3 5 3 2 4 7 8 6 1 9 8 1 6 3 9 2 5 7 4 2 8 7 9 4 6 3 5 1 9 4 5 1 8 3 7 2 6 3 6 1 2 5 7 4 9 8 1 7 3 5 6 9 8 4 2 6 5 9 8 2 4 1 3 7 4 2 8 7 3 1 9 6 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9172_hard
sudoku_normal_medium_56
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
75..816...24.6..51.9....3.4..9347.2.23.6..4...47.28..39...74.3..1.....474.5..68.9
753481692824963751691752384569347128238619475147528963982174536316895247475236819
7 5 . . 8 1 6 . . . 2 4 . 6 . . 5 1 . 9 . . . . 3 . 4 . . 9 3 4 7 . 2 . 2 3 . 6 . . 4 . . . 4 7 . 2 8 . . 3 9 . . . 7 4 . 3 . . 1 . . . . . 4 7 4 . 5 . . 6 8 . 9
7 5 3 4 8 1 6 9 2 8 2 4 9 6 3 7 5 1 6 9 1 7 5 2 3 8 4 5 6 9 3 4 7 1 2 8 2 3 8 6 1 9 4 7 5 1 4 7 5 2 8 9 6 3 9 8 2 1 7 4 5 3 6 3 1 6 8 9 5 2 4 7 4 7 5 2 3 6 8 1 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3591_hard
sudoku_normal_medium_57
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....2.6.819.5.4..2..7.8....6..2.8.4..8..6.39.5.4896..4.196.78..83.....6695.3.1..
574192368819653427236748915967321854148576239352489671421965783783214596695837142
5 . . . . 2 . 6 . 8 1 9 . 5 . 4 . . 2 . . 7 . 8 . . . . 6 . . 2 . 8 . 4 . . 8 . . 6 . 3 9 . 5 . 4 8 9 6 . . 4 . 1 9 6 . 7 8 . . 8 3 . . . . . 6 6 9 5 . 3 . 1 . .
5 7 4 1 9 2 3 6 8 8 1 9 6 5 3 4 2 7 2 3 6 7 4 8 9 1 5 9 6 7 3 2 1 8 5 4 1 4 8 5 7 6 2 3 9 3 5 2 4 8 9 6 7 1 4 2 1 9 6 5 7 8 3 7 8 3 2 1 4 5 9 6 6 9 5 8 3 7 1 4 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3398_hard
sudoku_normal_medium_58
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...7...4.5.9.8.35.874.24..87935...8.43..135...6.9..423...1.713..5...8.6.12..3
289634175674251938135987462421879356968543721357126894542398617713465289896712543
. . . 6 . . . 7 . . . 4 . 5 . 9 . 8 . 3 5 . 8 7 4 . 2 4 . . 8 7 9 3 5 . . . 8 . 4 3 . . 1 3 5 . . . 6 . 9 . . 4 2 3 . . . 1 . 7 1 3 . . 5 . . . 8 . 6 . 1 2 . . 3
2 8 9 6 3 4 1 7 5 6 7 4 2 5 1 9 3 8 1 3 5 9 8 7 4 6 2 4 2 1 8 7 9 3 5 6 9 6 8 5 4 3 7 2 1 3 5 7 1 2 6 8 9 4 5 4 2 3 9 8 6 1 7 7 1 3 4 6 5 2 8 9 8 9 6 7 1 2 5 4 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3585_hard
sudoku_normal_medium_59
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
..825..1.4..1....2.1.8.63..84..6.2.129..4..76.579...38..94.36....4.9.72.5..7....9
368254917475139862912876354843567291291348576657921438729413685184695723536782149
. . 8 2 5 . . 1 . 4 . . 1 . . . . 2 . 1 . 8 . 6 3 . . 8 4 . . 6 . 2 . 1 2 9 . . 4 . . 7 6 . 5 7 9 . . . 3 8 . . 9 4 . 3 6 . . . . 4 . 9 . 7 2 . 5 . . 7 . . . . 9
3 6 8 2 5 4 9 1 7 4 7 5 1 3 9 8 6 2 9 1 2 8 7 6 3 5 4 8 4 3 5 6 7 2 9 1 2 9 1 3 4 8 5 7 6 6 5 7 9 2 1 4 3 8 7 2 9 4 1 3 6 8 5 1 8 4 6 9 5 7 2 3 5 3 6 7 8 2 1 4 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7547_hard
sudoku_normal_medium_60
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
71.9..6..9...145.22.46..19..2.4....5...172..3..7...4..6..2.8.1.3..7.1846481..9..7
718925634963814572254637198129483765546172983837596421675248319392751846481369257
7 1 . 9 . . 6 . . 9 . . . 1 4 5 . 2 2 . 4 6 . . 1 9 . . 2 . 4 . . . . 5 . . . 1 7 2 . . 3 . . 7 . . . 4 . . 6 . . 2 . 8 . 1 . 3 . . 7 . 1 8 4 6 4 8 1 . . 9 . . 7
7 1 8 9 2 5 6 3 4 9 6 3 8 1 4 5 7 2 2 5 4 6 3 7 1 9 8 1 2 9 4 8 3 7 6 5 5 4 6 1 7 2 9 8 3 8 3 7 5 9 6 4 2 1 6 7 5 2 4 8 3 1 9 3 9 2 7 5 1 8 4 6 4 8 1 3 6 9 2 5 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9917_hard
sudoku_normal_medium_61
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
7.35.9..69.5..2.74.1..3.....5...39..3.789..2.2....5..7.2...4769..49....26.9.1.4..
783549216965182374412637598856723941347891625291465837128354769534976182679218453
7 . 3 5 . 9 . . 6 9 . 5 . . 2 . 7 4 . 1 . . 3 . . . . . 5 . . . 3 9 . . 3 . 7 8 9 . . 2 . 2 . . . . 5 . . 7 . 2 . . . 4 7 6 9 . . 4 9 . . . . 2 6 . 9 . 1 . 4 . .
7 8 3 5 4 9 2 1 6 9 6 5 1 8 2 3 7 4 4 1 2 6 3 7 5 9 8 8 5 6 7 2 3 9 4 1 3 4 7 8 9 1 6 2 5 2 9 1 4 6 5 8 3 7 1 2 8 3 5 4 7 6 9 5 3 4 9 7 6 1 8 2 6 7 9 2 1 8 4 5 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4615_hard
sudoku_normal_medium_62
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
.21.....8.64.2..9.5..1..2.....5..3..952.816.414.762....9.273.6.6.7...9.32..6..8.7
721936458364825791589147236876594312952381674143762589498273165617458923235619847
. 2 1 . . . . . 8 . 6 4 . 2 . . 9 . 5 . . 1 . . 2 . . . . . 5 . . 3 . . 9 5 2 . 8 1 6 . 4 1 4 . 7 6 2 . . . . 9 . 2 7 3 . 6 . 6 . 7 . . . 9 . 3 2 . . 6 . . 8 . 7
7 2 1 9 3 6 4 5 8 3 6 4 8 2 5 7 9 1 5 8 9 1 4 7 2 3 6 8 7 6 5 9 4 3 1 2 9 5 2 3 8 1 6 7 4 1 4 3 7 6 2 5 8 9 4 9 8 2 7 3 1 6 5 6 1 7 4 5 8 9 2 3 2 3 5 6 1 9 8 4 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7885_hard
sudoku_normal_medium_63
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...63....89.2..4...41.65.5316279..8.4.93.7.9.2.....32..3...96.9..651..7..249.35
149756382658932714327418659531627948864593271972184563285371496493865127716249835
. 4 . . . 6 3 . . . . 8 9 . 2 . . 4 . . . 4 1 . 6 5 . 5 3 1 6 2 7 9 . . 8 . 4 . 9 3 . 7 . 9 . 2 . . . . . 3 2 . . 3 . . . 9 6 . 9 . . 6 5 1 . . 7 . . 2 4 9 . 3 5
1 4 9 7 5 6 3 8 2 6 5 8 9 3 2 7 1 4 3 2 7 4 1 8 6 5 9 5 3 1 6 2 7 9 4 8 8 6 4 5 9 3 2 7 1 9 7 2 1 8 4 5 6 3 2 8 5 3 7 1 4 9 6 4 9 3 8 6 5 1 2 7 7 1 6 2 4 9 8 3 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3441_hard
sudoku_normal_medium_64
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...73.3.41...6.79......54...3.521...2........6.43.7..53..8....9.16..36375.2.49
168495732354127968792863415476938521583271694921654387215349876849716253637582149
1 . 8 . . . 7 3 . 3 . 4 1 . . . 6 . 7 9 . . . . . . 5 4 . . . 3 . 5 2 1 . . . 2 . . . . . . . . 6 . 4 3 . 7 . . 5 3 . . 8 . . . . 9 . 1 6 . . 3 6 3 7 5 . 2 . 4 9
1 6 8 4 9 5 7 3 2 3 5 4 1 2 7 9 6 8 7 9 2 8 6 3 4 1 5 4 7 6 9 3 8 5 2 1 5 8 3 2 7 1 6 9 4 9 2 1 6 5 4 3 8 7 2 1 5 3 4 9 8 7 6 8 4 9 7 1 6 2 5 3 6 3 7 5 8 2 1 4 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7097_hard
sudoku_normal_medium_65
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
.....2.6.26.95..1.97..1.2....6......41...96.2.2....384..42...3.83.17...969.34512.
541782963263954817978613245386427591415839672729561384154298736832176459697345128
. . . . . 2 . 6 . 2 6 . 9 5 . . 1 . 9 7 . . 1 . 2 . . . . 6 . . . . . . 4 1 . . . 9 6 . 2 . 2 . . . . 3 8 4 . . 4 2 . . . 3 . 8 3 . 1 7 . . . 9 6 9 . 3 4 5 1 2 .
5 4 1 7 8 2 9 6 3 2 6 3 9 5 4 8 1 7 9 7 8 6 1 3 2 4 5 3 8 6 4 2 7 5 9 1 4 1 5 8 3 9 6 7 2 7 2 9 5 6 1 3 8 4 1 5 4 2 9 8 7 3 6 8 3 2 1 7 6 4 5 9 6 9 7 3 4 5 1 2 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4242_hard
sudoku_normal_medium_66
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
.2.15.9434.7..95865.98..7...6..71832..89...571.2...4696.172.3.4.5..9421...43...7.
826157943417239586539846721965471832348962157172583469681725394753694218294318675
. 2 . 1 5 . 9 4 3 4 . 7 . . 9 5 8 6 5 . 9 8 . . 7 . . . 6 . . 7 1 8 3 2 . . 8 9 . . . 5 7 1 . 2 . . . 4 6 9 6 . 1 7 2 . 3 . 4 . 5 . . 9 4 2 1 . . . 4 3 . . . 7 .
8 2 6 1 5 7 9 4 3 4 1 7 2 3 9 5 8 6 5 3 9 8 4 6 7 2 1 9 6 5 4 7 1 8 3 2 3 4 8 9 6 2 1 5 7 1 7 2 5 8 3 4 6 9 6 8 1 7 2 5 3 9 4 7 5 3 6 9 4 2 1 8 2 9 4 3 1 8 6 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7692_hard
sudoku_normal_medium_67
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
38..7.52..15...8.7..758.31...143.982....59.4..94.6..5.8.231...5.4.6.....6..7.843.
386971524915243867427586319561437982238159746794862153872314695143695278659728431
3 8 . . 7 . 5 2 . . 1 5 . . . 8 . 7 . . 7 5 8 . 3 1 . . . 1 4 3 . 9 8 2 . . . . 5 9 . 4 . . 9 4 . 6 . . 5 . 8 . 2 3 1 . . . 5 . 4 . 6 . . . . . 6 . . 7 . 8 4 3 .
3 8 6 9 7 1 5 2 4 9 1 5 2 4 3 8 6 7 4 2 7 5 8 6 3 1 9 5 6 1 4 3 7 9 8 2 2 3 8 1 5 9 7 4 6 7 9 4 8 6 2 1 5 3 8 7 2 3 1 4 6 9 5 1 4 3 6 9 5 2 7 8 6 5 9 7 2 8 4 3 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8206_hard
sudoku_normal_medium_68
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
..582.94.82.13.65.7.9..5......941....8..562..9.628...5..86...9.6.25..3.4.1.3....6
165827943824139657739465182253941768481756239976283415348672591692518374517394826
. . 5 8 2 . 9 4 . 8 2 . 1 3 . 6 5 . 7 . 9 . . 5 . . . . . . 9 4 1 . . . . 8 . . 5 6 2 . . 9 . 6 2 8 . . . 5 . . 8 6 . . . 9 . 6 . 2 5 . . 3 . 4 . 1 . 3 . . . . 6
1 6 5 8 2 7 9 4 3 8 2 4 1 3 9 6 5 7 7 3 9 4 6 5 1 8 2 2 5 3 9 4 1 7 6 8 4 8 1 7 5 6 2 3 9 9 7 6 2 8 3 4 1 5 3 4 8 6 7 2 5 9 1 6 9 2 5 1 8 3 7 4 5 1 7 3 9 4 8 2 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7201_hard
sudoku_normal_medium_69
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
65..4..79..7..9...8.....2....618..97145.7.83..7.3526......2.3.4.2.4....64.1537.2.
652843179317269485894715263236184597145976832978352641789621354523498716461537928
6 5 . . 4 . . 7 9 . . 7 . . 9 . . . 8 . . . . . 2 . . . . 6 1 8 . . 9 7 1 4 5 . 7 . 8 3 . . 7 . 3 5 2 6 . . . . . . 2 . 3 . 4 . 2 . 4 . . . . 6 4 . 1 5 3 7 . 2 .
6 5 2 8 4 3 1 7 9 3 1 7 2 6 9 4 8 5 8 9 4 7 1 5 2 6 3 2 3 6 1 8 4 5 9 7 1 4 5 9 7 6 8 3 2 9 7 8 3 5 2 6 4 1 7 8 9 6 2 1 3 5 4 5 2 3 4 9 8 7 1 6 4 6 1 5 3 7 9 2 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4880_hard
sudoku_normal_medium_70
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
...1.2.6958..34....1.7.638436.41..7...4.789.6...6..43.92..4..5...859.7.2475.6.1..
743182569586934217219756384362419875154378926897625431921847653638591742475263198
. . . 1 . 2 . 6 9 5 8 . . 3 4 . . . . 1 . 7 . 6 3 8 4 3 6 . 4 1 . . 7 . . . 4 . 7 8 9 . 6 . . . 6 . . 4 3 . 9 2 . . 4 . . 5 . . . 8 5 9 . 7 . 2 4 7 5 . 6 . 1 . .
7 4 3 1 8 2 5 6 9 5 8 6 9 3 4 2 1 7 2 1 9 7 5 6 3 8 4 3 6 2 4 1 9 8 7 5 1 5 4 3 7 8 9 2 6 8 9 7 6 2 5 4 3 1 9 2 1 8 4 7 6 5 3 6 3 8 5 9 1 7 4 2 4 7 5 2 6 3 1 9 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3736_hard
sudoku_normal_medium_71
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
25....67..49.....28.75.1.4.73..685.44.637..1...2.9....3...5.7.69...47.3.6..8.34.9
253489671149736852867521943731268594496375218582194367314952786928647135675813429
2 5 . . . . 6 7 . . 4 9 . . . . . 2 8 . 7 5 . 1 . 4 . 7 3 . . 6 8 5 . 4 4 . 6 3 7 . . 1 . . . 2 . 9 . . . . 3 . . . 5 . 7 . 6 9 . . . 4 7 . 3 . 6 . . 8 . 3 4 . 9
2 5 3 4 8 9 6 7 1 1 4 9 7 3 6 8 5 2 8 6 7 5 2 1 9 4 3 7 3 1 2 6 8 5 9 4 4 9 6 3 7 5 2 1 8 5 8 2 1 9 4 3 6 7 3 1 4 9 5 2 7 8 6 9 2 8 6 4 7 1 3 5 6 7 5 8 1 3 4 2 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5121_hard
sudoku_normal_medium_72
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
78...54..6.98....3.41.3.86.4.652.79...268..45.7..9.3261....8.3..38.1.6..2.43....1
783265419629841573541739862416523798392687145875194326167958234938412657254376981
7 8 . . . 5 4 . . 6 . 9 8 . . . . 3 . 4 1 . 3 . 8 6 . 4 . 6 5 2 . 7 9 . . . 2 6 8 . . 4 5 . 7 . . 9 . 3 2 6 1 . . . . 8 . 3 . . 3 8 . 1 . 6 . . 2 . 4 3 . . . . 1
7 8 3 2 6 5 4 1 9 6 2 9 8 4 1 5 7 3 5 4 1 7 3 9 8 6 2 4 1 6 5 2 3 7 9 8 3 9 2 6 8 7 1 4 5 8 7 5 1 9 4 3 2 6 1 6 7 9 5 8 2 3 4 9 3 8 4 1 2 6 5 7 2 5 4 3 7 6 9 8 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5280_hard
sudoku_normal_medium_73
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
..1.3.8.994...2.6..23..6..427..5.13..546.3..8.3.2917.5.1..69.7.4.71.568.6..34..51
561734829948512367723986514279458136154673298836291745315869472497125683682347951
. . 1 . 3 . 8 . 9 9 4 . . . 2 . 6 . . 2 3 . . 6 . . 4 2 7 . . 5 . 1 3 . . 5 4 6 . 3 . . 8 . 3 . 2 9 1 7 . 5 . 1 . . 6 9 . 7 . 4 . 7 1 . 5 6 8 . 6 . . 3 4 . . 5 1
5 6 1 7 3 4 8 2 9 9 4 8 5 1 2 3 6 7 7 2 3 9 8 6 5 1 4 2 7 9 4 5 8 1 3 6 1 5 4 6 7 3 2 9 8 8 3 6 2 9 1 7 4 5 3 1 5 8 6 9 4 7 2 4 9 7 1 2 5 6 8 3 6 8 2 3 4 7 9 5 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3989_hard
sudoku_normal_medium_74
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
5.6...8.7.9.51734.3.4..2.......2..7.....91238..96..4...472...1.6..9.45......8.764
516349827298517346374862195183425679465791238729638451847256913631974582952183764
5 . 6 . . . 8 . 7 . 9 . 5 1 7 3 4 . 3 . 4 . . 2 . . . . . . . 2 . . 7 . . . . . 9 1 2 3 8 . . 9 6 . . 4 . . . 4 7 2 . . . 1 . 6 . . 9 . 4 5 . . . . . . 8 . 7 6 4
5 1 6 3 4 9 8 2 7 2 9 8 5 1 7 3 4 6 3 7 4 8 6 2 1 9 5 1 8 3 4 2 5 6 7 9 4 6 5 7 9 1 2 3 8 7 2 9 6 3 8 4 5 1 8 4 7 2 5 6 9 1 3 6 3 1 9 7 4 5 8 2 9 5 2 1 8 3 7 6 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8294_hard
sudoku_normal_medium_75
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...23.57.3...6192..25..368.97.6.5.114.2.5..6...7..84378...4..94....2.1.2.31.76.4
816923457534876192972541368397468521148235976625719843781654239469382715253197684
8 . . . 2 3 . 5 7 . 3 . . . 6 1 9 2 . . 2 5 . . 3 6 8 . 9 7 . 6 . 5 . 1 1 4 . 2 . 5 . . 6 . . . 7 . . 8 4 3 7 8 . . . 4 . . 9 4 . . . . 2 . 1 . 2 . 3 1 . 7 6 . 4
8 1 6 9 2 3 4 5 7 5 3 4 8 7 6 1 9 2 9 7 2 5 4 1 3 6 8 3 9 7 4 6 8 5 2 1 1 4 8 2 3 5 9 7 6 6 2 5 7 1 9 8 4 3 7 8 1 6 5 4 2 3 9 4 6 9 3 8 2 7 1 5 2 5 3 1 9 7 6 8 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7441_hard
sudoku_normal_medium_76
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..9.2..4.36.5..173.529...18.354.235..468..96.1..7.56....4.89..56972.4.9..8...7
586479123249361578173852946718935462352746891964128735627514389835697214491283657
. . 6 . . 9 . 2 . . 4 . 3 6 . 5 . . 1 7 3 . 5 2 9 . . . 1 8 . 3 5 4 . 2 3 5 . . 4 6 8 . . 9 6 . 1 . . 7 . 5 6 . . . . 4 . 8 9 . . 5 6 9 7 2 . 4 . 9 . . 8 . . . 7
5 8 6 4 7 9 1 2 3 2 4 9 3 6 1 5 7 8 1 7 3 8 5 2 9 4 6 7 1 8 9 3 5 4 6 2 3 5 2 7 4 6 8 9 1 9 6 4 1 2 8 7 3 5 6 2 7 5 1 4 3 8 9 8 3 5 6 9 7 2 1 4 4 9 1 2 8 3 6 5 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4223_hard
sudoku_normal_medium_77
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.......7.7.42.8....89.7....4.369..2..6.723....31.5.6.7...3451.56....2.3.216.8.74
912586437675423891438917625847369152156872349293145768789234516564791283321658974
9 . . . . . . . 7 . 7 . 4 2 . 8 . . . . 8 9 . 7 . . . . 4 . 3 6 9 . . 2 . . 6 . 7 2 3 . . . . 3 1 . 5 . 6 . 7 . . . 3 4 5 1 . 5 6 . . . . 2 . 3 . 2 1 6 . 8 . 7 4
9 1 2 5 8 6 4 3 7 6 7 5 4 2 3 8 9 1 4 3 8 9 1 7 6 2 5 8 4 7 3 6 9 1 5 2 1 5 6 8 7 2 3 4 9 2 9 3 1 4 5 7 6 8 7 8 9 2 3 4 5 1 6 5 6 4 7 9 1 2 8 3 3 2 1 6 5 8 9 7 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8577_hard
sudoku_normal_medium_78
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
87.9..6.2..3..5..4..6.2..81..759..1.68.7....3.9..8.5.7..8.7.2397....946.4.96.....
874913652213865794956427381347592816685741923192386547568174239731259468429638175
8 7 . 9 . . 6 . 2 . . 3 . . 5 . . 4 . . 6 . 2 . . 8 1 . . 7 5 9 . . 1 . 6 8 . 7 . . . . 3 . 9 . . 8 . 5 . 7 . . 8 . 7 . 2 3 9 7 . . . . 9 4 6 . 4 . 9 6 . . . . .
8 7 4 9 1 3 6 5 2 2 1 3 8 6 5 7 9 4 9 5 6 4 2 7 3 8 1 3 4 7 5 9 2 8 1 6 6 8 5 7 4 1 9 2 3 1 9 2 3 8 6 5 4 7 5 6 8 1 7 4 2 3 9 7 3 1 2 5 9 4 6 8 4 2 9 6 3 8 1 7 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4702_hard
sudoku_normal_medium_79
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
.....236.21.87.4.59..5.4.......1..8.164789..2..9.26.7.52.9.7.16..7..1.4..9.......
745192368216873495938564721372415689164789532859326174523947816687251943491638257
. . . . . 2 3 6 . 2 1 . 8 7 . 4 . 5 9 . . 5 . 4 . . . . . . . 1 . . 8 . 1 6 4 7 8 9 . . 2 . . 9 . 2 6 . 7 . 5 2 . 9 . 7 . 1 6 . . 7 . . 1 . 4 . . 9 . . . . . . .
7 4 5 1 9 2 3 6 8 2 1 6 8 7 3 4 9 5 9 3 8 5 6 4 7 2 1 3 7 2 4 1 5 6 8 9 1 6 4 7 8 9 5 3 2 8 5 9 3 2 6 1 7 4 5 2 3 9 4 7 8 1 6 6 8 7 2 5 1 9 4 3 4 9 1 6 3 8 2 5 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3075_hard
sudoku_normal_medium_80
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
.89652.17......9.67.639182....1...7.67...81.9412579.83.238.5.....4...2.88..92.3.1
389652417251487936746391825938146572675238149412579683123865794594713268867924351
. 8 9 6 5 2 . 1 7 . . . . . . 9 . 6 7 . 6 3 9 1 8 2 . . . . 1 . . . 7 . 6 7 . . . 8 1 . 9 4 1 2 5 7 9 . 8 3 . 2 3 8 . 5 . . . . . 4 . . . 2 . 8 8 . . 9 2 . 3 . 1
3 8 9 6 5 2 4 1 7 2 5 1 4 8 7 9 3 6 7 4 6 3 9 1 8 2 5 9 3 8 1 4 6 5 7 2 6 7 5 2 3 8 1 4 9 4 1 2 5 7 9 6 8 3 1 2 3 8 6 5 7 9 4 5 9 4 7 1 3 2 6 8 8 6 7 9 2 4 3 5 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5088_hard
sudoku_normal_medium_81
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
..46..3..6...9..4.72.354168..6.3...224.5867..38.429.5...821...44..9.7.1.17...5..6
814672395635198247729354168596731482241586739387429651968213574452967813173845926
. . 4 6 . . 3 . . 6 . . . 9 . . 4 . 7 2 . 3 5 4 1 6 8 . . 6 . 3 . . . 2 2 4 . 5 8 6 7 . . 3 8 . 4 2 9 . 5 . . . 8 2 1 . . . 4 4 . . 9 . 7 . 1 . 1 7 . . . 5 . . 6
8 1 4 6 7 2 3 9 5 6 3 5 1 9 8 2 4 7 7 2 9 3 5 4 1 6 8 5 9 6 7 3 1 4 8 2 2 4 1 5 8 6 7 3 9 3 8 7 4 2 9 6 5 1 9 6 8 2 1 3 5 7 4 4 5 2 9 6 7 8 1 3 1 7 3 8 4 5 9 2 6
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5844_hard
sudoku_normal_medium_82
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
6.5...8.2.7281..6.8136..5794517...282...8....76...4.3..9..3....1..957386.8746..95
645379812972815463813642579451793628239186754768524931596238147124957386387461295
6 . 5 . . . 8 . 2 . 7 2 8 1 . . 6 . 8 1 3 6 . . 5 7 9 4 5 1 7 . . . 2 8 2 . . . 8 . . . . 7 6 . . . 4 . 3 . . 9 . . 3 . . . . 1 . . 9 5 7 3 8 6 . 8 7 4 6 . . 9 5
6 4 5 3 7 9 8 1 2 9 7 2 8 1 5 4 6 3 8 1 3 6 4 2 5 7 9 4 5 1 7 9 3 6 2 8 2 3 9 1 8 6 7 5 4 7 6 8 5 2 4 9 3 1 5 9 6 2 3 8 1 4 7 1 2 4 9 5 7 3 8 6 3 8 7 4 6 1 2 9 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7147_hard
sudoku_normal_medium_83
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...6...25.9.4..69.42.158.791..5..386.592...41....89..4.....6..2.318.58..6.4.21
438517692125896437697423158279148563386759214541362789914285376762931845853674921
. . 8 . . . 6 . . . 2 5 . 9 . 4 . . 6 9 . 4 2 . 1 5 8 . 7 9 1 . . 5 . . 3 8 6 . 5 9 2 . . . 4 1 . . . . 8 9 . . 4 . . . . . 6 . . 2 . 3 1 8 . 5 8 . . 6 . 4 . 2 1
4 3 8 5 1 7 6 9 2 1 2 5 8 9 6 4 3 7 6 9 7 4 2 3 1 5 8 2 7 9 1 4 8 5 6 3 3 8 6 7 5 9 2 1 4 5 4 1 3 6 2 7 8 9 9 1 4 2 8 5 3 7 6 7 6 2 9 3 1 8 4 5 8 5 3 6 7 4 9 2 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4685_hard
sudoku_normal_medium_84
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......31.5..91.4.67.86382..941...96.3....21....5367.2.1..14...3....857...39
526897413874312596913456728638275941451968372792134865367529184149683257285741639
5 . . . . 7 . . . . . . 3 1 . 5 . . 9 1 . 4 . 6 7 . 8 6 3 8 2 . . 9 4 1 . . . 9 6 . 3 . . . . 2 1 . . . . 5 3 6 7 . 2 . 1 . . 1 4 . . . 3 . . . . 8 5 7 . . . 3 9
5 2 6 8 9 7 4 1 3 8 7 4 3 1 2 5 9 6 9 1 3 4 5 6 7 2 8 6 3 8 2 7 5 9 4 1 4 5 1 9 6 8 3 7 2 7 9 2 1 3 4 8 6 5 3 6 7 5 2 9 1 8 4 1 4 9 6 8 3 2 5 7 2 8 5 7 4 1 6 3 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_578_easy
sudoku_normal_medium_85
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..75643...2.79.7.8..9..398..1..2.541.9.8.7...8.3.5....1..3....763.9.58.29.4.71
129387564364521798758469213983715426541296837276843159695178342417632985832954671
1 . 9 . . 7 5 6 4 3 . . . 2 . 7 9 . 7 . 8 . . 9 . . 3 9 8 . . 1 . . 2 . 5 4 1 . 9 . 8 . 7 . . . 8 . 3 . 5 . . . . 1 . . 3 . . . . 7 6 3 . 9 . 5 8 . 2 9 . 4 . 7 1
1 2 9 3 8 7 5 6 4 3 6 4 5 2 1 7 9 8 7 5 8 4 6 9 2 1 3 9 8 3 7 1 5 4 2 6 5 4 1 2 9 6 8 3 7 2 7 6 8 4 3 1 5 9 6 9 5 1 7 8 3 4 2 4 1 7 6 3 2 9 8 5 8 3 2 9 5 4 6 7 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_421_easy
sudoku_normal_medium_86
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
9.652.1...24....69....9.24.65.1.7..83.1......78..6.5...75.43.91.6..7...2..86..73.
936524187524718369817396245659137428341285976782469513275843691463971852198652734
9 . 6 5 2 . 1 . . . 2 4 . . . . 6 9 . . . . 9 . 2 4 . 6 5 . 1 . 7 . . 8 3 . 1 . . . . . . 7 8 . . 6 . 5 . . . 7 5 . 4 3 . 9 1 . 6 . . 7 . . . 2 . . 8 6 . . 7 3 .
9 3 6 5 2 4 1 8 7 5 2 4 7 1 8 3 6 9 8 1 7 3 9 6 2 4 5 6 5 9 1 3 7 4 2 8 3 4 1 2 8 5 9 7 6 7 8 2 4 6 9 5 1 3 2 7 5 8 4 3 6 9 1 4 6 3 9 7 1 8 5 2 1 9 8 6 5 2 7 3 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_9709_hard
sudoku_normal_medium_87
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
.3.4...2.16..935.4..7.52....9358..178..2..659..69..8....13.9.7.72.86.14..4...7..5
935418726162793584487652391293586417874231659516974832651349278729865143348127965
. 3 . 4 . . . 2 . 1 6 . . 9 3 5 . 4 . . 7 . 5 2 . . . . 9 3 5 8 . . 1 7 8 . . 2 . . 6 5 9 . . 6 9 . . 8 . . . . 1 3 . 9 . 7 . 7 2 . 8 6 . 1 4 . . 4 . . . 7 . . 5
9 3 5 4 1 8 7 2 6 1 6 2 7 9 3 5 8 4 4 8 7 6 5 2 3 9 1 2 9 3 5 8 6 4 1 7 8 7 4 2 3 1 6 5 9 5 1 6 9 7 4 8 3 2 6 5 1 3 4 9 2 7 8 7 2 9 8 6 5 1 4 3 3 4 8 1 2 7 9 6 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4848_hard
sudoku_normal_medium_88
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..471..719...43.5.1.2..6.932154..7.5..923.42.....5.6..7913...8746.9.1.395.867.
968354712271986543354172896893215467715649238426837159642791385587463921139528674
9 . 8 . . 4 7 1 . . 7 1 9 . . . 4 3 . 5 . 1 . 2 . . 6 . 9 3 2 1 5 4 . . 7 . 5 . . 9 2 3 . 4 2 . . . . . 5 . 6 . . 7 9 1 3 . . . 8 7 4 6 . 9 . 1 . 3 9 5 . 8 6 7 .
9 6 8 3 5 4 7 1 2 2 7 1 9 8 6 5 4 3 3 5 4 1 7 2 8 9 6 8 9 3 2 1 5 4 6 7 7 1 5 6 4 9 2 3 8 4 2 6 8 3 7 1 5 9 6 4 2 7 9 1 3 8 5 5 8 7 4 6 3 9 2 1 1 3 9 5 2 8 6 7 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_3325_hard
sudoku_normal_medium_89
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..49.635.673.4.....6.8957...9...824...7.3.9819..3.....5.6....6..4.7.35.7.3..69.
728549163596731428143628957367914582452876319819253746935162874681497235274385691
. 2 . . 4 9 . 6 3 5 . 6 7 3 . 4 . . . . . 6 . 8 9 5 7 . . . 9 . . . 8 2 4 . . . 7 . 3 . 9 8 1 9 . . 3 . . . . . 5 . 6 . . . . 6 . . 4 . 7 . 3 5 . 7 . 3 . . 6 9 .
7 2 8 5 4 9 1 6 3 5 9 6 7 3 1 4 2 8 1 4 3 6 2 8 9 5 7 3 6 7 9 1 4 5 8 2 4 5 2 8 7 6 3 1 9 8 1 9 2 5 3 7 4 6 9 3 5 1 6 2 8 7 4 6 8 1 4 9 7 2 3 5 2 7 4 3 8 5 6 9 1
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_6848_hard
sudoku_normal_medium_90
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
..89...6.9..38.2.7.....58..27..3.1.6.1.4...2.3..12...968..5..7..2379.6...97..6..2
158972463946381257732645891274539186819467325365128749681253974523794618497816532
. . 8 9 . . . 6 . 9 . . 3 8 . 2 . 7 . . . . . 5 8 . . 2 7 . . 3 . 1 . 6 . 1 . 4 . . . 2 . 3 . . 1 2 . . . 9 6 8 . . 5 . . 7 . . 2 3 7 9 . 6 . . . 9 7 . . 6 . . 2
1 5 8 9 7 2 4 6 3 9 4 6 3 8 1 2 5 7 7 3 2 6 4 5 8 9 1 2 7 4 5 3 9 1 8 6 8 1 9 4 6 7 3 2 5 3 6 5 1 2 8 7 4 9 6 8 1 2 5 3 9 7 4 5 2 3 7 9 4 6 1 8 4 9 7 8 1 6 5 3 2
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7032_hard
sudoku_normal_medium_91
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..2..6.3.28.36.7..6..7..5.87.3.2.45..97.582125184.7..31.428..9.8.69....692..34..
745281693928536174163974258876312945439765821251849736317428569584697312692153487
7 . . 2 . . 6 . 3 . 2 8 . 3 6 . 7 . . 6 . . 7 . . 5 . 8 7 . 3 . 2 . 4 5 . . 9 7 . 5 8 2 1 2 5 1 8 4 . 7 . . 3 1 . 4 2 8 . . 9 . 8 . 6 9 . . . . 6 9 2 . . 3 4 . .
7 4 5 2 8 1 6 9 3 9 2 8 5 3 6 1 7 4 1 6 3 9 7 4 2 5 8 8 7 6 3 1 2 9 4 5 4 3 9 7 6 5 8 2 1 2 5 1 8 4 9 7 3 6 3 1 7 4 2 8 5 6 9 5 8 4 6 9 7 3 1 2 6 9 2 1 5 3 4 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4076_hard
sudoku_normal_medium_92
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
92.1...6.7.456..2..532..7.4.6..1.4..37..4.69...5..2...2.74...36..67.8..9.4.32.1..
928174365714563928653289714862917453371845692495632871287491536136758249549326187
9 2 . 1 . . . 6 . 7 . 4 5 6 . . 2 . . 5 3 2 . . 7 . 4 . 6 . . 1 . 4 . . 3 7 . . 4 . 6 9 . . . 5 . . 2 . . . 2 . 7 4 . . . 3 6 . . 6 7 . 8 . . 9 . 4 . 3 2 . 1 . .
9 2 8 1 7 4 3 6 5 7 1 4 5 6 3 9 2 8 6 5 3 2 8 9 7 1 4 8 6 2 9 1 7 4 5 3 3 7 1 8 4 5 6 9 2 4 9 5 6 3 2 8 7 1 2 8 7 4 9 1 5 3 6 1 3 6 7 5 8 2 4 9 5 4 9 3 2 6 1 8 7
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_7371_hard
sudoku_normal_medium_93
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
1.7.8......9.476..65.2319..8..1..2.6.264581.79.47.6.5378....419.61.743.8..3...7..
147689532239547681658231974875193246326458197914726853782365419561974328493812765
1 . 7 . 8 . . . . . . 9 . 4 7 6 . . 6 5 . 2 3 1 9 . . 8 . . 1 . . 2 . 6 . 2 6 4 5 8 1 . 7 9 . 4 7 . 6 . 5 3 7 8 . . . . 4 1 9 . 6 1 . 7 4 3 . 8 . . 3 . . . 7 . .
1 4 7 6 8 9 5 3 2 2 3 9 5 4 7 6 8 1 6 5 8 2 3 1 9 7 4 8 7 5 1 9 3 2 4 6 3 2 6 4 5 8 1 9 7 9 1 4 7 2 6 8 5 3 7 8 2 3 6 5 4 1 9 5 6 1 9 7 4 3 2 8 4 9 3 8 1 2 7 6 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5980_hard
sudoku_normal_medium_94
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...6..5419.8746.2..6.12.8.78.2.15.6....5.....4.7.6.2.3...2...7..7.8.24...46.7..5
278963154195874632436512789783241596962358471541796328319425867657189243824637915
2 . . . 6 . . 5 4 1 9 . 8 7 4 6 . 2 . . 6 . 1 2 . 8 . 7 8 . 2 . 1 5 . 6 . . . . 5 . . . . . 4 . 7 . 6 . 2 . 3 . . . 2 . . . 7 . . 7 . 8 . 2 4 . . . 4 6 . 7 . . 5
2 7 8 9 6 3 1 5 4 1 9 5 8 7 4 6 3 2 4 3 6 5 1 2 7 8 9 7 8 3 2 4 1 5 9 6 9 6 2 3 5 8 4 7 1 5 4 1 7 9 6 3 2 8 3 1 9 4 2 5 8 6 7 6 5 7 1 8 9 2 4 3 8 2 4 6 3 7 9 1 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4137_hard
sudoku_normal_medium_95
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
948..657321.3.7.8.3.5.4..1.8.42.57.176.41.8..5.1.7394.1.2.9..67..9...154.5.....9.
948126573216357489375948612894265731763419825521873946182594367639782154457631298
9 4 8 . . 6 5 7 3 2 1 . 3 . 7 . 8 . 3 . 5 . 4 . . 1 . 8 . 4 2 . 5 7 . 1 7 6 . 4 1 . 8 . . 5 . 1 . 7 3 9 4 . 1 . 2 . 9 . . 6 7 . . 9 . . . 1 5 4 . 5 . . . . . 9 .
9 4 8 1 2 6 5 7 3 2 1 6 3 5 7 4 8 9 3 7 5 9 4 8 6 1 2 8 9 4 2 6 5 7 3 1 7 6 3 4 1 9 8 2 5 5 2 1 8 7 3 9 4 6 1 8 2 5 9 4 3 6 7 6 3 9 7 8 2 1 5 4 4 5 7 6 3 1 2 9 8
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4365_hard
sudoku_normal_medium_96
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
4.62..817.18.97..3.3..8..6...7.46.....135....9..7..4.6..457.18987.1.4..215.829...
496235817518697243732481965387946521641352798925718436264573189879164352153829674
4 . 6 2 . . 8 1 7 . 1 8 . 9 7 . . 3 . 3 . . 8 . . 6 . . . 7 . 4 6 . . . . . 1 3 5 . . . . 9 . . 7 . . 4 . 6 . . 4 5 7 . 1 8 9 8 7 . 1 . 4 . . 2 1 5 . 8 2 9 . . .
4 9 6 2 3 5 8 1 7 5 1 8 6 9 7 2 4 3 7 3 2 4 8 1 9 6 5 3 8 7 9 4 6 5 2 1 6 4 1 3 5 2 7 9 8 9 2 5 7 1 8 4 3 6 2 6 4 5 7 3 1 8 9 8 7 9 1 6 4 3 5 2 1 5 3 8 2 9 6 7 4
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4177_hard
sudoku_normal_medium_97
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
..8.4..12...9.27.43246.......6.93....327.8941897....5621.85.473.834.92..4...37189
978345612651982734324671598146593827532768941897124356219856473783419265465237189
. . 8 . 4 . . 1 2 . . . 9 . 2 7 . 4 3 2 4 6 . . . . . . . 6 . 9 3 . . . . 3 2 7 . 8 9 4 1 8 9 7 . . . . 5 6 2 1 . 8 5 . 4 7 3 . 8 3 4 . 9 2 . . 4 . . . 3 7 1 8 9
9 7 8 3 4 5 6 1 2 6 5 1 9 8 2 7 3 4 3 2 4 6 7 1 5 9 8 1 4 6 5 9 3 8 2 7 5 3 2 7 6 8 9 4 1 8 9 7 1 2 4 3 5 6 2 1 9 8 5 6 4 7 3 7 8 3 4 1 9 2 6 5 4 6 5 2 3 7 1 8 9
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_8325_hard
sudoku_normal_medium_98
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
6.472.81.315.86...72839..46...6......529.4....36.7295..6.5..4.7.49...132..7.436.5
694725813315486279728391546971658324852934761436172958263519487549867132187243695
6 . 4 7 2 . 8 1 . 3 1 5 . 8 6 . . . 7 2 8 3 9 . . 4 6 . . . 6 . . . . . . 5 2 9 . 4 . . . . 3 6 . 7 2 9 5 . . 6 . 5 . . 4 . 7 . 4 9 . . . 1 3 2 . . 7 . 4 3 6 . 5
6 9 4 7 2 5 8 1 3 3 1 5 4 8 6 2 7 9 7 2 8 3 9 1 5 4 6 9 7 1 6 5 8 3 2 4 8 5 2 9 3 4 7 6 1 4 3 6 1 7 2 9 5 8 2 6 3 5 1 9 4 8 7 5 4 9 8 6 7 1 3 2 1 8 7 2 4 3 6 9 5
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_5112_hard
sudoku_normal_medium_99
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
83.7..19.4...182...712.95485........3.7...854.28..4..99.4.....1..3.8..7.78.951.2.
832745196495618237671239548549863712367192854128574369954327681213486975786951423
8 3 . 7 . . 1 9 . 4 . . . 1 8 2 . . . 7 1 2 . 9 5 4 8 5 . . . . . . . . 3 . 7 . . . 8 5 4 . 2 8 . . 4 . . 9 9 . 4 . . . . . 1 . . 3 . 8 . . 7 . 7 8 . 9 5 1 . 2 .
8 3 2 7 4 5 1 9 6 4 9 5 6 1 8 2 3 7 6 7 1 2 3 9 5 4 8 5 4 9 8 6 3 7 1 2 3 6 7 1 9 2 8 5 4 1 2 8 5 7 4 3 6 9 9 5 4 3 2 7 6 8 1 2 1 3 4 8 6 9 7 5 7 8 6 9 5 1 4 2 3
Complete the sudoku board based on the rules and visual elements.
9x9_sudoku_4078_hard
sudoku_normal_medium_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
7..61...8...9..5..986.42.3723.1.87....4..5682..8724.91.2..3.4.9.61..9.738....1..5
745613928312987546986542137239168754174395682658724391527836419461259873893471265
7 . . 6 1 . . . 8 . . . 9 . . 5 . . 9 8 6 . 4 2 . 3 7 2 3 . 1 . 8 7 . . . . 4 . . 5 6 8 2 . . 8 7 2 4 . 9 1 . 2 . . 3 . 4 . 9 . 6 1 . . 9 . 7 3 8 . . . . 1 . . 5
7 4 5 6 1 3 9 2 8 3 1 2 9 8 7 5 4 6 9 8 6 5 4 2 1 3 7 2 3 9 1 6 8 7 5 4 1 7 4 3 9 5 6 8 2 6 5 8 7 2 4 3 9 1 5 2 7 8 3 6 4 1 9 4 6 1 2 5 9 8 7 3 8 9 3 4 7 1 2 6 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2212m
sudoku_normal_medium_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
243..5.6.67.3..82.8...6.4..912.48735..8.236..3..95..1.43627.5.9.2..89346.8.4..1..
243815967675394821891762453912648735758123694364957218436271589127589346589436172
2 4 3 . . 5 . 6 . 6 7 . 3 . . 8 2 . 8 . . . 6 . 4 . . 9 1 2 . 4 8 7 3 5 . . 8 . 2 3 6 . . 3 . . 9 5 . . 1 . 4 3 6 2 7 . 5 . 9 . 2 . . 8 9 3 4 6 . 8 . 4 . . 1 . .
2 4 3 8 1 5 9 6 7 6 7 5 3 9 4 8 2 1 8 9 1 7 6 2 4 5 3 9 1 2 6 4 8 7 3 5 7 5 8 1 2 3 6 9 4 3 6 4 9 5 7 2 1 8 4 3 6 2 7 1 5 8 9 1 2 7 5 8 9 3 4 6 5 8 9 4 3 6 1 7 2
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2311h1
sudoku_normal_medium_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
893..7.4551.4.....76.38.2...71.529...86.7.1.2...6..38..375694...4...1.291......36
893127645512496873764385291371852964486973152925614387237569418648731529159248736
8 9 3 . . 7 . 4 5 5 1 . 4 . . . . . 7 6 . 3 8 . 2 . . . 7 1 . 5 2 9 . . . 8 6 . 7 . 1 . 2 . . . 6 . . 3 8 . . 3 7 5 6 9 4 . . . 4 . . . 1 . 2 9 1 . . . . . . 3 6
8 9 3 1 2 7 6 4 5 5 1 2 4 9 6 8 7 3 7 6 4 3 8 5 2 9 1 3 7 1 8 5 2 9 6 4 4 8 6 9 7 3 1 5 2 9 2 5 6 1 4 3 8 7 2 3 7 5 6 9 4 1 8 6 4 8 7 3 1 5 2 9 1 5 9 2 4 8 7 3 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2210e
sudoku_normal_medium_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
.6..8..1.19...2.83..75.69..2...391..639....7..512....85.4..873.97.3....1.1.64.25.
462983517195472683387516924248739165639851472751264398524198736976325841813647259
. 6 . . 8 . . 1 . 1 9 . . . 2 . 8 3 . . 7 5 . 6 9 . . 2 . . . 3 9 1 . . 6 3 9 . . . . 7 . . 5 1 2 . . . . 8 5 . 4 . . 8 7 3 . 9 7 . 3 . . . . 1 . 1 . 6 4 . 2 5 .
4 6 2 9 8 3 5 1 7 1 9 5 4 7 2 6 8 3 3 8 7 5 1 6 9 2 4 2 4 8 7 3 9 1 6 5 6 3 9 8 5 1 4 7 2 7 5 1 2 6 4 3 9 8 5 2 4 1 9 8 7 3 6 9 7 6 3 2 5 8 4 1 8 1 3 6 4 7 2 5 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2403h3
sudoku_normal_medium_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
8761.5.24..3.4.8..941..7.36.6.5.3..84.5...3.92..6.4.7.35.2..6.1697.5.4.2.8.4.9.5.
876135924523946817941827536769513248415782369238694175354278691697351482182469753
8 7 6 1 . 5 . 2 4 . . 3 . 4 . 8 . . 9 4 1 . . 7 . 3 6 . 6 . 5 . 3 . . 8 4 . 5 . . . 3 . 9 2 . . 6 . 4 . 7 . 3 5 . 2 . . 6 . 1 6 9 7 . 5 . 4 . 2 . 8 . 4 . 9 . 5 .
8 7 6 1 3 5 9 2 4 5 2 3 9 4 6 8 1 7 9 4 1 8 2 7 5 3 6 7 6 9 5 1 3 2 4 8 4 1 5 7 8 2 3 6 9 2 3 8 6 9 4 1 7 5 3 5 4 2 7 8 6 9 1 6 9 7 3 5 1 4 8 2 1 8 2 4 6 9 7 5 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2204m
sudoku_normal_medium_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
254.3..713..5....681..79.2..9....8....72831.5..2..1.3....12...993.7.521462..9.75.
254836971379512486816479523193657842467283195582941637745128369938765214621394758
2 5 4 . 3 . . 7 1 3 . . 5 . . . . 6 8 1 . . 7 9 . 2 . . 9 . . . . 8 . . . . 7 2 8 3 1 . 5 . . 2 . . 1 . 3 . . . . 1 2 . . . 9 9 3 . 7 . 5 2 1 4 6 2 . . 9 . 7 5 .
2 5 4 8 3 6 9 7 1 3 7 9 5 1 2 4 8 6 8 1 6 4 7 9 5 2 3 1 9 3 6 5 7 8 4 2 4 6 7 2 8 3 1 9 5 5 8 2 9 4 1 6 3 7 7 4 5 1 2 8 3 6 9 9 3 8 7 6 5 2 1 4 6 2 1 3 9 4 7 5 8
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2206e
sudoku_normal_medium_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
..92.7...6...93.5..3.1....44.1..82..72..6.34...35.471.35...2.6..8..3..212..8.95..
149257683678493152532186974461378295725961348893524716354712869987635421216849537
. . 9 2 . 7 . . . 6 . . . 9 3 . 5 . . 3 . 1 . . . . 4 4 . 1 . . 8 2 . . 7 2 . . 6 . 3 4 . . . 3 5 . 4 7 1 . 3 5 . . . 2 . 6 . . 8 . . 3 . . 2 1 2 . . 8 . 9 5 . .
1 4 9 2 5 7 6 8 3 6 7 8 4 9 3 1 5 2 5 3 2 1 8 6 9 7 4 4 6 1 3 7 8 2 9 5 7 2 5 9 6 1 3 4 8 8 9 3 5 2 4 7 1 6 3 5 4 7 1 2 8 6 9 9 8 7 6 3 5 4 2 1 2 1 6 8 4 9 5 3 7
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2009h1
sudoku_normal_medium_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
..31...5256...9...8...4..7638...279.2.1.8746...96...851...9.6.8...2.45..67.5.8329
493176852567829134812345976386452791251987463749631285125793648938264517674518329
. . 3 1 . . . 5 2 5 6 . . . 9 . . . 8 . . . 4 . . 7 6 3 8 . . . 2 7 9 . 2 . 1 . 8 7 4 6 . . . 9 6 . . . 8 5 1 . . . 9 . 6 . 8 . . . 2 . 4 5 . . 6 7 . 5 . 8 3 2 9
4 9 3 1 7 6 8 5 2 5 6 7 8 2 9 1 3 4 8 1 2 3 4 5 9 7 6 3 8 6 4 5 2 7 9 1 2 5 1 9 8 7 4 6 3 7 4 9 6 3 1 2 8 5 1 2 5 7 9 3 6 4 8 9 3 8 2 6 4 5 1 7 6 7 4 5 1 8 3 2 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2403h2
sudoku_normal_medium_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
..6.745.9.7..1.84689.5.6.7.61.42839.4.....6.8..9.6..5..5.3.2.61..7.5.98.3.19.74..
126874539573219846894536172615428397432795618789163254958342761247651983361987425
. . 6 . 7 4 5 . 9 . 7 . . 1 . 8 4 6 8 9 . 5 . 6 . 7 . 6 1 . 4 2 8 3 9 . 4 . . . . . 6 . 8 . . 9 . 6 . . 5 . . 5 . 3 . 2 . 6 1 . . 7 . 5 . 9 8 . 3 . 1 9 . 7 4 . .
1 2 6 8 7 4 5 3 9 5 7 3 2 1 9 8 4 6 8 9 4 5 3 6 1 7 2 6 1 5 4 2 8 3 9 7 4 3 2 7 9 5 6 1 8 7 8 9 1 6 3 2 5 4 9 5 8 3 4 2 7 6 1 2 4 7 6 5 1 9 8 3 3 6 1 9 8 7 4 2 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2402m
sudoku_normal_medium_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
34.1..8651.8..7.39529638..16..2...7...3.84...47.3.59.2.1..7.4.375.9...289.28.6.1.
347129865168457239529638741685291374293784156471365982816572493754913628932846517
3 4 . 1 . . 8 6 5 1 . 8 . . 7 . 3 9 5 2 9 6 3 8 . . 1 6 . . 2 . . . 7 . . . 3 . 8 4 . . . 4 7 . 3 . 5 9 . 2 . 1 . . 7 . 4 . 3 7 5 . 9 . . . 2 8 9 . 2 8 . 6 . 1 .
3 4 7 1 2 9 8 6 5 1 6 8 4 5 7 2 3 9 5 2 9 6 3 8 7 4 1 6 8 5 2 9 1 3 7 4 2 9 3 7 8 4 1 5 6 4 7 1 3 6 5 9 8 2 8 1 6 5 7 2 4 9 3 7 5 4 9 1 3 6 2 8 9 3 2 8 4 6 5 1 7
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2012h2
sudoku_normal_medium_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
.2.1.8.547..23.8....4.7.31..4.3....5..6...43.53...6.9..79.2.1.64.57.1.233..6...8.
923168754751234869684975312148392675296857431537416298879523146465781923312649587
. 2 . 1 . 8 . 5 4 7 . . 2 3 . 8 . . . . 4 . 7 . 3 1 . . 4 . 3 . . . . 5 . . 6 . . . 4 3 . 5 3 . . . 6 . 9 . . 7 9 . 2 . 1 . 6 4 . 5 7 . 1 . 2 3 3 . . 6 . . . 8 .
9 2 3 1 6 8 7 5 4 7 5 1 2 3 4 8 6 9 6 8 4 9 7 5 3 1 2 1 4 8 3 9 2 6 7 5 2 9 6 8 5 7 4 3 1 5 3 7 4 1 6 2 9 8 8 7 9 5 2 3 1 4 6 4 6 5 7 8 1 9 2 3 3 1 2 6 4 9 5 8 7
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2311h2
sudoku_normal_medium_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
9..1....6.3..9..8.57.8.42.1..1.73.4.6...8...779.2..81...27.9..4.5..6..723..4.5.68
928157436134692785576834291281573649643981527795246813862719354459368172317425968
9 . . 1 . . . . 6 . 3 . . 9 . . 8 . 5 7 . 8 . 4 2 . 1 . . 1 . 7 3 . 4 . 6 . . . 8 . . . 7 7 9 . 2 . . 8 1 . . . 2 7 . 9 . . 4 . 5 . . 6 . . 7 2 3 . . 4 . 5 . 6 8
9 2 8 1 5 7 4 3 6 1 3 4 6 9 2 7 8 5 5 7 6 8 3 4 2 9 1 2 8 1 5 7 3 6 4 9 6 4 3 9 8 1 5 2 7 7 9 5 2 4 6 8 1 3 8 6 2 7 1 9 3 5 4 4 5 9 3 6 8 1 7 2 3 1 7 4 2 5 9 6 8
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2401h2
sudoku_normal_medium_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
29.8.57...514...684..93..52..4.5.81.1....94.7.8..6.53.84..9..7..2..436.16.752..94
296815743351472968478936152934257816165389427782164539843691275529743681617528394
2 9 . 8 . 5 7 . . . 5 1 4 . . . 6 8 4 . . 9 3 . . 5 2 . . 4 . 5 . 8 1 . 1 . . . . 9 4 . 7 . 8 . . 6 . 5 3 . 8 4 . . 9 . . 7 . . 2 . . 4 3 6 . 1 6 . 7 5 2 . . 9 4
2 9 6 8 1 5 7 4 3 3 5 1 4 7 2 9 6 8 4 7 8 9 3 6 1 5 2 9 3 4 2 5 7 8 1 6 1 6 5 3 8 9 4 2 7 7 8 2 1 6 4 5 3 9 8 4 3 6 9 1 2 7 5 5 2 9 7 4 3 6 8 1 6 1 7 5 2 8 3 9 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2208m
sudoku_normal_medium_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
2.693.8.44.1258976.58..6..13..1..59.1.5...4...9...5.3.7..823.1..62..97.3..3.4.28.
276931854431258976958476321327164598185392467694785132749823615862519743513647289
2 . 6 9 3 . 8 . 4 4 . 1 2 5 8 9 7 6 . 5 8 . . 6 . . 1 3 . . 1 . . 5 9 . 1 . 5 . . . 4 . . . 9 . . . 5 . 3 . 7 . . 8 2 3 . 1 . . 6 2 . . 9 7 . 3 . . 3 . 4 . 2 8 .
2 7 6 9 3 1 8 5 4 4 3 1 2 5 8 9 7 6 9 5 8 4 7 6 3 2 1 3 2 7 1 6 4 5 9 8 1 8 5 3 9 2 4 6 7 6 9 4 7 8 5 1 3 2 7 4 9 8 2 3 6 1 5 8 6 2 5 1 9 7 4 3 5 1 3 6 4 7 2 8 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2401h3
sudoku_normal_medium_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
92..56.745.8....26.3..1.5..2..5.8791..46918...19..7.45..218..6..7....2..1..4.2.53
921856374548739126637214589263548791754691832819327645392185467475963218186472953
9 2 . . 5 6 . 7 4 5 . 8 . . . . 2 6 . 3 . . 1 . 5 . . 2 . . 5 . 8 7 9 1 . . 4 6 9 1 8 . . . 1 9 . . 7 . 4 5 . . 2 1 8 . . 6 . . 7 . . . . 2 . . 1 . . 4 . 2 . 5 3
9 2 1 8 5 6 3 7 4 5 4 8 7 3 9 1 2 6 6 3 7 2 1 4 5 8 9 2 6 3 5 4 8 7 9 1 7 5 4 6 9 1 8 3 2 8 1 9 3 2 7 6 4 5 3 9 2 1 8 5 4 6 7 4 7 5 9 6 3 2 1 8 1 8 6 4 7 2 9 5 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2009h2
sudoku_normal_medium_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
.8...56.43.524.178.62.71.9..19.6.3457..5.49.2..6.29.81.2..5783...4..3..79.318..5.
187935624395246178462871593219768345738514962546329781621457839854693217973182456
. 8 . . . 5 6 . 4 3 . 5 2 4 . 1 7 8 . 6 2 . 7 1 . 9 . . 1 9 . 6 . 3 4 5 7 . . 5 . 4 9 . 2 . . 6 . 2 9 . 8 1 . 2 . . 5 7 8 3 . . . 4 . . 3 . . 7 9 . 3 1 8 . . 5 .
1 8 7 9 3 5 6 2 4 3 9 5 2 4 6 1 7 8 4 6 2 8 7 1 5 9 3 2 1 9 7 6 8 3 4 5 7 3 8 5 1 4 9 6 2 5 4 6 3 2 9 7 8 1 6 2 1 4 5 7 8 3 9 8 5 4 6 9 3 2 1 7 9 7 3 1 8 2 4 5 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2110h2
sudoku_normal_medium_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
..47.13..13.958.42..964..5.96...7...5.3.9...1..18.5.3..8.4192..3..5..4.9.97.826..
854721396136958742729643158968137524573294861241865937685419273312576489497382615
. . 4 7 . 1 3 . . 1 3 . 9 5 8 . 4 2 . . 9 6 4 . . 5 . 9 6 . . . 7 . . . 5 . 3 . 9 . . . 1 . . 1 8 . 5 . 3 . . 8 . 4 1 9 2 . . 3 . . 5 . . 4 . 9 . 9 7 . 8 2 6 . .
8 5 4 7 2 1 3 9 6 1 3 6 9 5 8 7 4 2 7 2 9 6 4 3 1 5 8 9 6 8 1 3 7 5 2 4 5 7 3 2 9 4 8 6 1 2 4 1 8 6 5 9 3 7 6 8 5 4 1 9 2 7 3 3 1 2 5 7 6 4 8 9 4 9 7 3 8 2 6 1 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2109h2
sudoku_normal_medium_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
4..7.5.9...7.91..2.3..2.6.78.5.397.1.731.6.242..4..8.9.91.7..4.6..9.23...8.6..9.5
428765193567391482139824657845239761973186524216457839391578246654912378782643915
4 . . 7 . 5 . 9 . . . 7 . 9 1 . . 2 . 3 . . 2 . 6 . 7 8 . 5 . 3 9 7 . 1 . 7 3 1 . 6 . 2 4 2 . . 4 . . 8 . 9 . 9 1 . 7 . . 4 . 6 . . 9 . 2 3 . . . 8 . 6 . . 9 . 5
4 2 8 7 6 5 1 9 3 5 6 7 3 9 1 4 8 2 1 3 9 8 2 4 6 5 7 8 4 5 2 3 9 7 6 1 9 7 3 1 8 6 5 2 4 2 1 6 4 5 7 8 3 9 3 9 1 5 7 8 2 4 6 6 5 4 9 1 2 3 7 8 7 8 2 6 4 3 9 1 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2209m
sudoku_normal_medium_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
2.49..81......7.2.369.1.75..52..69.1.183..6..6.31...78.4..8...3.2.5...971.7..94.5
274953816581467329369218754452876931718395642693142578945781263826534197137629485
2 . 4 9 . . 8 1 . . . . . . 7 . 2 . 3 6 9 . 1 . 7 5 . . 5 2 . . 6 9 . 1 . 1 8 3 . . 6 . . 6 . 3 1 . . . 7 8 . 4 . . 8 . . . 3 . 2 . 5 . . . 9 7 1 . 7 . . 9 4 . 5
2 7 4 9 5 3 8 1 6 5 8 1 4 6 7 3 2 9 3 6 9 2 1 8 7 5 4 4 5 2 8 7 6 9 3 1 7 1 8 3 9 5 6 4 2 6 9 3 1 4 2 5 7 8 9 4 5 7 8 1 2 6 3 8 2 6 5 3 4 1 9 7 1 3 7 6 2 9 4 8 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2211h3
sudoku_normal_medium_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
.4.69.1.71....3.9.9.3.8.264.392..4..5.634.7.9.8...9.5.3.157...6.948..5.18....1.42
248695137167423895953187264739256418516348729482719653321574986694832571875961342
. 4 . 6 9 . 1 . 7 1 . . . . 3 . 9 . 9 . 3 . 8 . 2 6 4 . 3 9 2 . . 4 . . 5 . 6 3 4 . 7 . 9 . 8 . . . 9 . 5 . 3 . 1 5 7 . . . 6 . 9 4 8 . . 5 . 1 8 . . . . 1 . 4 2
2 4 8 6 9 5 1 3 7 1 6 7 4 2 3 8 9 5 9 5 3 1 8 7 2 6 4 7 3 9 2 5 6 4 1 8 5 1 6 3 4 8 7 2 9 4 8 2 7 1 9 6 5 3 3 2 1 5 7 4 9 8 6 6 9 4 8 3 2 5 7 1 8 7 5 9 6 1 3 4 2
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2403m
sudoku_normal_medium_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
69.1...2.217.4...8..4..5.6.548.6.9.3.6.8.7.5.9..4.38...2.6.4...4...8.7.1.5..79.4.
695138427217946538384725169548261973163897254972453816729614385436582791851379642
6 9 . 1 . . . 2 . 2 1 7 . 4 . . . 8 . . 4 . . 5 . 6 . 5 4 8 . 6 . 9 . 3 . 6 . 8 . 7 . 5 . 9 . . 4 . 3 8 . . . 2 . 6 . 4 . . . 4 . . . 8 . 7 . 1 . 5 . . 7 9 . 4 .
6 9 5 1 3 8 4 2 7 2 1 7 9 4 6 5 3 8 3 8 4 7 2 5 1 6 9 5 4 8 2 6 1 9 7 3 1 6 3 8 9 7 2 5 4 9 7 2 4 5 3 8 1 6 7 2 9 6 1 4 3 8 5 4 3 6 5 8 2 7 9 1 8 5 1 3 7 9 6 4 2
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2205m
sudoku_normal_medium_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
2..5.18..67123.4.9.8.....234..8.9.7195.....4.3176.2.98.6...3.84..3.7.2.5.421.5936
234591867671238459589764123426859371958317642317642598165923784893476215742185936
2 . . 5 . 1 8 . . 6 7 1 2 3 . 4 . 9 . 8 . . . . . 2 3 4 . . 8 . 9 . 7 1 9 5 . . . . . 4 . 3 1 7 6 . 2 . 9 8 . 6 . . . 3 . 8 4 . . 3 . 7 . 2 . 5 . 4 2 1 . 5 9 3 6
2 3 4 5 9 1 8 6 7 6 7 1 2 3 8 4 5 9 5 8 9 7 6 4 1 2 3 4 2 6 8 5 9 3 7 1 9 5 8 3 1 7 6 4 2 3 1 7 6 4 2 5 9 8 1 6 5 9 2 3 7 8 4 8 9 3 4 7 6 2 1 5 7 4 2 1 8 5 9 3 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2207e
sudoku_normal_medium_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
..3.5..7.71.8.43..9.8.1746.5.2..6..4..954.62.1.42395...9.1..2.8.57..813..81.9.7.6
643952871715864392928317465532786914879541623164239587396175248457628139281493756
. . 3 . 5 . . 7 . 7 1 . 8 . 4 3 . . 9 . 8 . 1 7 4 6 . 5 . 2 . . 6 . . 4 . . 9 5 4 . 6 2 . 1 . 4 2 3 9 5 . . . 9 . 1 . . 2 . 8 . 5 7 . . 8 1 3 . . 8 1 . 9 . 7 . 6
6 4 3 9 5 2 8 7 1 7 1 5 8 6 4 3 9 2 9 2 8 3 1 7 4 6 5 5 3 2 7 8 6 9 1 4 8 7 9 5 4 1 6 2 3 1 6 4 2 3 9 5 8 7 3 9 6 1 7 5 2 4 8 4 5 7 6 2 8 1 3 9 2 8 1 4 9 3 7 5 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2208h1
sudoku_normal_medium_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
.57.9...1..35.7.2.4..8...6773.1..2..6..25..78592..4.1.38.975..29..62.38512..4..9.
257496831863517429419832567738169254641253978592784613386975142974621385125348796
. 5 7 . 9 . . . 1 . . 3 5 . 7 . 2 . 4 . . 8 . . . 6 7 7 3 . 1 . . 2 . . 6 . . 2 5 . . 7 8 5 9 2 . . 4 . 1 . 3 8 . 9 7 5 . . 2 9 . . 6 2 . 3 8 5 1 2 . . 4 . . 9 .
2 5 7 4 9 6 8 3 1 8 6 3 5 1 7 4 2 9 4 1 9 8 3 2 5 6 7 7 3 8 1 6 9 2 5 4 6 4 1 2 5 3 9 7 8 5 9 2 7 8 4 6 1 3 3 8 6 9 7 5 1 4 2 9 7 4 6 2 1 3 8 5 1 2 5 3 4 8 7 9 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2301m
sudoku_normal_medium_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
..8.4.9756..93.2.8.9.5.2.6.96.7..8...1..6..595.7..9..62..1.463.4.53.6..2.3..785..
328641975654937218791582463963725841812463759547819326289154637475396182136278594
. . 8 . 4 . 9 7 5 6 . . 9 3 . 2 . 8 . 9 . 5 . 2 . 6 . 9 6 . 7 . . 8 . . . 1 . . 6 . . 5 9 5 . 7 . . 9 . . 6 2 . . 1 . 4 6 3 . 4 . 5 3 . 6 . . 2 . 3 . . 7 8 5 . .
3 2 8 6 4 1 9 7 5 6 5 4 9 3 7 2 1 8 7 9 1 5 8 2 4 6 3 9 6 3 7 2 5 8 4 1 8 1 2 4 6 3 7 5 9 5 4 7 8 1 9 3 2 6 2 8 9 1 5 4 6 3 7 4 7 5 3 9 6 1 8 2 1 3 6 2 7 8 5 9 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2309h2
sudoku_normal_medium_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
4.8.3..6..1...9.876..7...5..8...41..5..19..76.9628..358....1.493..9..72.94.87.51.
478532961215469387639718254783654192524193876196287435857321649361945728942876513
4 . 8 . 3 . . 6 . . 1 . . . 9 . 8 7 6 . . 7 . . . 5 . . 8 . . . 4 1 . . 5 . . 1 9 . . 7 6 . 9 6 2 8 . . 3 5 8 . . . . 1 . 4 9 3 . . 9 . . 7 2 . 9 4 . 8 7 . 5 1 .
4 7 8 5 3 2 9 6 1 2 1 5 4 6 9 3 8 7 6 3 9 7 1 8 2 5 4 7 8 3 6 5 4 1 9 2 5 2 4 1 9 3 8 7 6 1 9 6 2 8 7 4 3 5 8 5 7 3 2 1 6 4 9 3 6 1 9 4 5 7 2 8 9 4 2 8 7 6 5 1 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2402h1
sudoku_normal_medium_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
.32.4.16...4..5...9..86.2.7.4.19..531.5.8472.2..576.8...9..1876.867..5...1..2.394
832947165674215938951863247748192653165384729293576481329451876486739512517628394
. 3 2 . 4 . 1 6 . . . 4 . . 5 . . . 9 . . 8 6 . 2 . 7 . 4 . 1 9 . . 5 3 1 . 5 . 8 4 7 2 . 2 . . 5 7 6 . 8 . . . 9 . . 1 8 7 6 . 8 6 7 . . 5 . . . 1 . . 2 . 3 9 4
8 3 2 9 4 7 1 6 5 6 7 4 2 1 5 9 3 8 9 5 1 8 6 3 2 4 7 7 4 8 1 9 2 6 5 3 1 6 5 3 8 4 7 2 9 2 9 3 5 7 6 4 8 1 3 2 9 4 5 1 8 7 6 4 8 6 7 3 9 5 1 2 5 1 7 6 2 8 3 9 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk1907h1
sudoku_normal_medium_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
12.89.76.3.65.7.84.84.3.1..6.23...4...3.4.6...5.162..9.496735.8.6.42...75..981.26
125894763396517284784236195672359841913748652458162379249673518861425937537981426
1 2 . 8 9 . 7 6 . 3 . 6 5 . 7 . 8 4 . 8 4 . 3 . 1 . . 6 . 2 3 . . . 4 . . . 3 . 4 . 6 . . . 5 . 1 6 2 . . 9 . 4 9 6 7 3 5 . 8 . 6 . 4 2 . . . 7 5 . . 9 8 1 . 2 6
1 2 5 8 9 4 7 6 3 3 9 6 5 1 7 2 8 4 7 8 4 2 3 6 1 9 5 6 7 2 3 5 9 8 4 1 9 1 3 7 4 8 6 5 2 4 5 8 1 6 2 3 7 9 2 4 9 6 7 3 5 1 8 8 6 1 4 2 5 9 3 7 5 3 7 9 8 1 4 2 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk1902h-2
sudoku_normal_medium_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
67...9..5..14.2.....3.7.8...4.7..2.8.1682.95.5....1.6...8.5.1.....2.867.2..91..84
674189325851432796923576841349765218716824953582391467498657132135248679267913584
6 7 . . . 9 . . 5 . . 1 4 . 2 . . . . . 3 . 7 . 8 . . . 4 . 7 . . 2 . 8 . 1 6 8 2 . 9 5 . 5 . . . . 1 . 6 . . . 8 . 5 . 1 . . . . . 2 . 8 6 7 . 2 . . 9 1 . . 8 4
6 7 4 1 8 9 3 2 5 8 5 1 4 3 2 7 9 6 9 2 3 5 7 6 8 4 1 3 4 9 7 6 5 2 1 8 7 1 6 8 2 4 9 5 3 5 8 2 3 9 1 4 6 7 4 9 8 6 5 7 1 3 2 1 3 5 2 4 8 6 7 9 2 6 7 9 1 3 5 8 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2304e
sudoku_normal_medium_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
.1...6...3..5..9.7..538.42..6.9....39.7.2.1.54...3728..2..786.46.9.53.71...4..35.
214796538386542917795381426862915743937824165451637289523178694649253871178469352
. 1 . . . 6 . . . 3 . . 5 . . 9 . 7 . . 5 3 8 . 4 2 . . 6 . 9 . . . . 3 9 . 7 . 2 . 1 . 5 4 . . . 3 7 2 8 . . 2 . . 7 8 6 . 4 6 . 9 . 5 3 . 7 1 . . . 4 . . 3 5 .
2 1 4 7 9 6 5 3 8 3 8 6 5 4 2 9 1 7 7 9 5 3 8 1 4 2 6 8 6 2 9 1 5 7 4 3 9 3 7 8 2 4 1 6 5 4 5 1 6 3 7 2 8 9 5 2 3 1 7 8 6 9 4 6 4 9 2 5 3 8 7 1 1 7 8 4 6 9 3 5 2
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2306m
sudoku_normal_medium_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
..768..23.2...16949.142358783..1..6...98..2.564..5.318.86..2...21.7...3.59..6.472
457689123328571694961423587835214769179836245642957318786342951214795836593168472
. . 7 6 8 . . 2 3 . 2 . . . 1 6 9 4 9 . 1 4 2 3 5 8 7 8 3 . . 1 . . 6 . . . 9 8 . . 2 . 5 6 4 . . 5 . 3 1 8 . 8 6 . . 2 . . . 2 1 . 7 . . . 3 . 5 9 . . 6 . 4 7 2
4 5 7 6 8 9 1 2 3 3 2 8 5 7 1 6 9 4 9 6 1 4 2 3 5 8 7 8 3 5 2 1 4 7 6 9 1 7 9 8 3 6 2 4 5 6 4 2 9 5 7 3 1 8 7 8 6 3 4 2 9 5 1 2 1 4 7 9 5 8 3 6 5 9 3 1 6 8 4 7 2
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2310m
sudoku_normal_medium_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
81.42...66..8.52.39....34..238.645......8...2..173.869..52..63.3.71.8.2.4..3...78
813429756674815293952673481238964517796581342541732869185297634367148925429356178
8 1 . 4 2 . . . 6 6 . . 8 . 5 2 . 3 9 . . . . 3 4 . . 2 3 8 . 6 4 5 . . . . . . 8 . . . 2 . . 1 7 3 . 8 6 9 . . 5 2 . . 6 3 . 3 . 7 1 . 8 . 2 . 4 . . 3 . . . 7 8
8 1 3 4 2 9 7 5 6 6 7 4 8 1 5 2 9 3 9 5 2 6 7 3 4 8 1 2 3 8 9 6 4 5 1 7 7 9 6 5 8 1 3 4 2 5 4 1 7 3 2 8 6 9 1 8 5 2 9 7 6 3 4 3 6 7 1 4 8 9 2 5 4 2 9 3 5 6 1 7 8
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2202m
sudoku_normal_medium_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
67.5..34...1.49..8.54.8.7.14.7...13.5..2.4..6.268..9..3.9172685..54..2..7126584.3
678521349231749568954386721487965132593214876126837954349172685865493217712658493
6 7 . 5 . . 3 4 . . . 1 . 4 9 . . 8 . 5 4 . 8 . 7 . 1 4 . 7 . . . 1 3 . 5 . . 2 . 4 . . 6 . 2 6 8 . . 9 . . 3 . 9 1 7 2 6 8 5 . . 5 4 . . 2 . . 7 1 2 6 5 8 4 . 3
6 7 8 5 2 1 3 4 9 2 3 1 7 4 9 5 6 8 9 5 4 3 8 6 7 2 1 4 8 7 9 6 5 1 3 2 5 9 3 2 1 4 8 7 6 1 2 6 8 3 7 9 5 4 3 4 9 1 7 2 6 8 5 8 6 5 4 9 3 2 1 7 7 1 2 6 5 8 4 9 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2107m
sudoku_normal_medium_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
8..34.6.14.7..1.2.163.7...99..435.1.6.5.2.9.33219.6..45...1.46....2.41..2.4.53..7
852349671497561328163872549978435216645127983321986754539718462786294135214653897
8 . . 3 4 . 6 . 1 4 . 7 . . 1 . 2 . 1 6 3 . 7 . . . 9 9 . . 4 3 5 . 1 . 6 . 5 . 2 . 9 . 3 3 2 1 9 . 6 . . 4 5 . . . 1 . 4 6 . . . . 2 . 4 1 . . 2 . 4 . 5 3 . . 7
8 5 2 3 4 9 6 7 1 4 9 7 5 6 1 3 2 8 1 6 3 8 7 2 5 4 9 9 7 8 4 3 5 2 1 6 6 4 5 1 2 7 9 8 3 3 2 1 9 8 6 7 5 4 5 3 9 7 1 8 4 6 2 7 8 6 2 9 4 1 3 5 2 1 4 6 5 3 8 9 7
Complete the sudoku board based on the rules and visual elements.
Nikoli 170714_sd_easy
sudoku_normal_medium_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
91.82357.4.8561.2..2.4..18..4..756..3...16..7..72..39..9..3875..5..428...327..461
916823574478561923523497186249375618385916247167284395694138752751642839832759461
9 1 . 8 2 3 5 7 . 4 . 8 5 6 1 . 2 . . 2 . 4 . . 1 8 . . 4 . . 7 5 6 . . 3 . . . 1 6 . . 7 . . 7 2 . . 3 9 . . 9 . . 3 8 7 5 . . 5 . . 4 2 8 . . . 3 2 7 . . 4 6 1
9 1 6 8 2 3 5 7 4 4 7 8 5 6 1 9 2 3 5 2 3 4 9 7 1 8 6 2 4 9 3 7 5 6 1 8 3 8 5 9 1 6 2 4 7 1 6 7 2 8 4 3 9 5 6 9 4 1 3 8 7 5 2 7 5 1 6 4 2 8 3 9 8 3 2 7 5 9 4 6 1
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2111m
sudoku_normal_medium_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
..4362.59.53..7..28269.....43.8..1.569..1..2...87.3..67.9..5..124.1..9...6.27.5.4
174362859953487612826951743432896175697514328518723496789645231245138967361279584
. . 4 3 6 2 . 5 9 . 5 3 . . 7 . . 2 8 2 6 9 . . . . . 4 3 . 8 . . 1 . 5 6 9 . . 1 . . 2 . . . 8 7 . 3 . . 6 7 . 9 . . 5 . . 1 2 4 . 1 . . 9 . . . 6 . 2 7 . 5 . 4
1 7 4 3 6 2 8 5 9 9 5 3 4 8 7 6 1 2 8 2 6 9 5 1 7 4 3 4 3 2 8 9 6 1 7 5 6 9 7 5 1 4 3 2 8 5 1 8 7 2 3 4 9 6 7 8 9 6 4 5 2 3 1 2 4 5 1 3 8 9 6 7 3 6 1 2 7 9 5 8 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2309h1
sudoku_normal_medium_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
.712..69...4..6.87.5..8..1338.1.2.54.49..87.2.2.934..17...2..4.49.36.1....84.5...
871243695934516287652789413386172954149658732527934861763821549495367128218495376
. 7 1 2 . . 6 9 . . . 4 . . 6 . 8 7 . 5 . . 8 . . 1 3 3 8 . 1 . 2 . 5 4 . 4 9 . . 8 7 . 2 . 2 . 9 3 4 . . 1 7 . . . 2 . . 4 . 4 9 . 3 6 . 1 . . . . 8 4 . 5 . . .
8 7 1 2 4 3 6 9 5 9 3 4 5 1 6 2 8 7 6 5 2 7 8 9 4 1 3 3 8 6 1 7 2 9 5 4 1 4 9 6 5 8 7 3 2 5 2 7 9 3 4 8 6 1 7 6 3 8 2 1 5 4 9 4 9 5 3 6 7 1 2 8 2 1 8 4 9 5 3 7 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk1907h2
sudoku_normal_medium_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
6.14....994.2...6.8...3.4..182.94.5736..7829.4..5.23817.4.1.9.6.98..3.755...298..
621487539943251768857936412182394657365178294479562381734815926298643175516729843
6 . 1 4 . . . . 9 9 4 . 2 . . . 6 . 8 . . . 3 . 4 . . 1 8 2 . 9 4 . 5 7 3 6 . . 7 8 2 9 . 4 . . 5 . 2 3 8 1 7 . 4 . 1 . 9 . 6 . 9 8 . . 3 . 7 5 5 . . . 2 9 8 . .
6 2 1 4 8 7 5 3 9 9 4 3 2 5 1 7 6 8 8 5 7 9 3 6 4 1 2 1 8 2 3 9 4 6 5 7 3 6 5 1 7 8 2 9 4 4 7 9 5 6 2 3 8 1 7 3 4 8 1 5 9 2 6 2 9 8 6 4 3 1 7 5 5 1 6 7 2 9 8 4 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk1912e
sudoku_normal_medium_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
...3148.9.6.7..3.4..3..5.7191.2..537..7.819.2.4...3..652.4.971.8.41.2.9...186...5
752314869169728354483695271918246537637581942245973186526439718874152693391867425
. . . 3 1 4 8 . 9 . 6 . 7 . . 3 . 4 . . 3 . . 5 . 7 1 9 1 . 2 . . 5 3 7 . . 7 . 8 1 9 . 2 . 4 . . . 3 . . 6 5 2 . 4 . 9 7 1 . 8 . 4 1 . 2 . 9 . . . 1 8 6 . . . 5
7 5 2 3 1 4 8 6 9 1 6 9 7 2 8 3 5 4 4 8 3 6 9 5 2 7 1 9 1 8 2 4 6 5 3 7 6 3 7 5 8 1 9 4 2 2 4 5 9 7 3 1 8 6 5 2 6 4 3 9 7 1 8 8 7 4 1 5 2 6 9 3 3 9 1 8 6 7 4 2 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2110m
sudoku_normal_medium_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
..3.9765.56.1..2...716.5..884.......912.3.76..3......91..5...36.9..68..2..6.419..
283497651569183274471625398847956123912834765635712849128579436794368512356241987
. . 3 . 9 7 6 5 . 5 6 . 1 . . 2 . . . 7 1 6 . 5 . . 8 8 4 . . . . . . . 9 1 2 . 3 . 7 6 . . 3 . . . . . . 9 1 . . 5 . . . 3 6 . 9 . . 6 8 . . 2 . . 6 . 4 1 9 . .
2 8 3 4 9 7 6 5 1 5 6 9 1 8 3 2 7 4 4 7 1 6 2 5 3 9 8 8 4 7 9 5 6 1 2 3 9 1 2 8 3 4 7 6 5 6 3 5 7 1 2 8 4 9 1 2 8 5 7 9 4 3 6 7 9 4 3 6 8 5 1 2 3 5 6 2 4 1 9 8 7
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2106m
sudoku_normal_medium_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
58..2..6.2.7..5.1.4.671...3869..1.5.3...46..1.7.5..6.26.3.....891.6..73...8.9.146
581923467237465819496718523869271354325846971174539682643157298912684735758392146
5 8 . . 2 . . 6 . 2 . 7 . . 5 . 1 . 4 . 6 7 1 . . . 3 8 6 9 . . 1 . 5 . 3 . . . 4 6 . . 1 . 7 . 5 . . 6 . 2 6 . 3 . . . . . 8 9 1 . 6 . . 7 3 . . . 8 . 9 . 1 4 6
5 8 1 9 2 3 4 6 7 2 3 7 4 6 5 8 1 9 4 9 6 7 1 8 5 2 3 8 6 9 2 7 1 3 5 4 3 2 5 8 4 6 9 7 1 1 7 4 5 3 9 6 8 2 6 4 3 1 5 7 2 9 8 9 1 2 6 8 4 7 3 5 7 5 8 3 9 2 1 4 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2212h3
sudoku_normal_medium_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
.7.6215.99..34.2.83.29.8.74...1..8.5.9...5.6..457.2.9..6.8743.1.3..9...77.4..3.2.
478621539956347218312958674627139845193485762845762193269874351531296487784513926
. 7 . 6 2 1 5 . 9 9 . . 3 4 . 2 . 8 3 . 2 9 . 8 . 7 4 . . . 1 . . 8 . 5 . 9 . . . 5 . 6 . . 4 5 7 . 2 . 9 . . 6 . 8 7 4 3 . 1 . 3 . . 9 . . . 7 7 . 4 . . 3 . 2 .
4 7 8 6 2 1 5 3 9 9 5 6 3 4 7 2 1 8 3 1 2 9 5 8 6 7 4 6 2 7 1 3 9 8 4 5 1 9 3 4 8 5 7 6 2 8 4 5 7 6 2 1 9 3 2 6 9 8 7 4 3 5 1 5 3 1 2 9 6 4 8 7 7 8 4 5 1 3 9 2 6
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2203m
sudoku_normal_medium_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
58.9.1.24.41.2....93..478..716.9.45.8.94132...2....9.1.641.953..9.35.7..37...6.49
587931624641528397932647815716892453859413276423765981264179538198354762375286149
5 8 . 9 . 1 . 2 4 . 4 1 . 2 . . . . 9 3 . . 4 7 8 . . 7 1 6 . 9 . 4 5 . 8 . 9 4 1 3 2 . . . 2 . . . . 9 . 1 . 6 4 1 . 9 5 3 . . 9 . 3 5 . 7 . . 3 7 . . . 6 . 4 9
5 8 7 9 3 1 6 2 4 6 4 1 5 2 8 3 9 7 9 3 2 6 4 7 8 1 5 7 1 6 8 9 2 4 5 3 8 5 9 4 1 3 2 7 6 4 2 3 7 6 5 9 8 1 2 6 4 1 7 9 5 3 8 1 9 8 3 5 4 7 6 2 3 7 5 2 8 6 1 4 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2311m
sudoku_normal_medium_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
27.8.4..6.1492......8.75.2.42.65.3...9.482.1..85.93.428321..4.......8.6.6..2..839
273814956514926783968375124427651398396482517185793642832169475749538261651247839
2 7 . 8 . 4 . . 6 . 1 4 9 2 . . . . . . 8 . 7 5 . 2 . 4 2 . 6 5 . 3 . . . 9 . 4 8 2 . 1 . . 8 5 . 9 3 . 4 2 8 3 2 1 . . 4 . . . . . . . 8 . 6 . 6 . . 2 . . 8 3 9
2 7 3 8 1 4 9 5 6 5 1 4 9 2 6 7 8 3 9 6 8 3 7 5 1 2 4 4 2 7 6 5 1 3 9 8 3 9 6 4 8 2 5 1 7 1 8 5 7 9 3 6 4 2 8 3 2 1 6 9 4 7 5 7 4 9 5 3 8 2 6 1 6 5 1 2 4 7 8 3 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2307m
sudoku_normal_medium_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
.4.3.1..5..7.26.3.8..7.416..2.1678..478.3.619..1..9.57.9.2....1.8.4..9..5.....37.
246381795157926438839754162925167843478532619361849257694273581783415926512698374
. 4 . 3 . 1 . . 5 . . 7 . 2 6 . 3 . 8 . . 7 . 4 1 6 . . 2 . 1 6 7 8 . . 4 7 8 . 3 . 6 1 9 . . 1 . . 9 . 5 7 . 9 . 2 . . . . 1 . 8 . 4 . . 9 . . 5 . . . . . 3 7 .
2 4 6 3 8 1 7 9 5 1 5 7 9 2 6 4 3 8 8 3 9 7 5 4 1 6 2 9 2 5 1 6 7 8 4 3 4 7 8 5 3 2 6 1 9 3 6 1 8 4 9 2 5 7 6 9 4 2 7 3 5 8 1 7 8 3 4 1 5 9 2 6 5 1 2 6 9 8 3 7 4
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2209h2
sudoku_normal_medium_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
.3..68..7.547.238....95.1.24...3.695.75..98.4.19.457.3..62.1....8.5.42..5..38.47.
231468957954712386867953142428137695375629814619845723746291538183574269592386471
. 3 . . 6 8 . . 7 . 5 4 7 . 2 3 8 . . . . 9 5 . 1 . 2 4 . . . 3 . 6 9 5 . 7 5 . . 9 8 . 4 . 1 9 . 4 5 7 . 3 . . 6 2 . 1 . . . . 8 . 5 . 4 2 . . 5 . . 3 8 . 4 7 .
2 3 1 4 6 8 9 5 7 9 5 4 7 1 2 3 8 6 8 6 7 9 5 3 1 4 2 4 2 8 1 3 7 6 9 5 3 7 5 6 2 9 8 1 4 6 1 9 8 4 5 7 2 3 7 4 6 2 9 1 5 3 8 1 8 3 5 7 4 2 6 9 5 9 2 3 8 6 4 7 1
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2104h2
sudoku_normal_medium_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
4.761.8.28...421....6..5.3.79.1....6.4.738...1.52...4..215..6..5.492...83.8.619.5
437619852859342167216875439793154286642738591185296743921583674564927318378461925
4 . 7 6 1 . 8 . 2 8 . . . 4 2 1 . . . . 6 . . 5 . 3 . 7 9 . 1 . . . . 6 . 4 . 7 3 8 . . . 1 . 5 2 . . . 4 . . 2 1 5 . . 6 . . 5 . 4 9 2 . . . 8 3 . 8 . 6 1 9 . 5
4 3 7 6 1 9 8 5 2 8 5 9 3 4 2 1 6 7 2 1 6 8 7 5 4 3 9 7 9 3 1 5 4 2 8 6 6 4 2 7 3 8 5 9 1 1 8 5 2 9 6 7 4 3 9 2 1 5 8 3 6 7 4 5 6 4 9 2 7 3 1 8 3 7 8 4 6 1 9 2 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2109m
sudoku_normal_medium_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
4...7.5.1..38...2.2.6..978.94...36..6.8.1...4..72...98..25..8...3...8..689..3.2.5
489372561573861429216459783941783652628915374357246198162594837735128946894637215
4 . . . 7 . 5 . 1 . . 3 8 . . . 2 . 2 . 6 . . 9 7 8 . 9 4 . . . 3 6 . . 6 . 8 . 1 . . . 4 . . 7 2 . . . 9 8 . . 2 5 . . 8 . . . 3 . . . 8 . . 6 8 9 . . 3 . 2 . 5
4 8 9 3 7 2 5 6 1 5 7 3 8 6 1 4 2 9 2 1 6 4 5 9 7 8 3 9 4 1 7 8 3 6 5 2 6 2 8 9 1 5 3 7 4 3 5 7 2 4 6 1 9 8 1 6 2 5 9 4 8 3 7 7 3 5 1 2 8 9 4 6 8 9 4 6 3 7 2 1 5
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2301h3
sudoku_normal_medium_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
.8.....67.245.83..9...1..8.37.8.962.2.....9.5...3...48.12.53..67.32.61548.6....7.
581932467624578319937614582375849621248167935169325748412753896793286154856491273
. 8 . . . . . 6 7 . 2 4 5 . 8 3 . . 9 . . . 1 . . 8 . 3 7 . 8 . 9 6 2 . 2 . . . . . 9 . 5 . . . 3 . . . 4 8 . 1 2 . 5 3 . . 6 7 . 3 2 . 6 1 5 4 8 . 6 . . . . 7 .
5 8 1 9 3 2 4 6 7 6 2 4 5 7 8 3 1 9 9 3 7 6 1 4 5 8 2 3 7 5 8 4 9 6 2 1 2 4 8 1 6 7 9 3 5 1 6 9 3 2 5 7 4 8 4 1 2 7 5 3 8 9 6 7 9 3 2 8 6 1 5 4 8 5 6 4 9 1 2 7 3
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk2002h1
sudoku_normal_medium_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
8..14.6934....9...6.5.3..2..8.6.153.1.345...8.59..7146.18.732....78.6..53265.4..9
872145693431269857695738421784691532163452978259387146518973264947826315326514789
8 . . 1 4 . 6 9 3 4 . . . . 9 . . . 6 . 5 . 3 . . 2 . . 8 . 6 . 1 5 3 . 1 . 3 4 5 . . . 8 . 5 9 . . 7 1 4 6 . 1 8 . 7 3 2 . . . . 7 8 . 6 . . 5 3 2 6 5 . 4 . . 9
8 7 2 1 4 5 6 9 3 4 3 1 2 6 9 8 5 7 6 9 5 7 3 8 4 2 1 7 8 4 6 9 1 5 3 2 1 6 3 4 5 2 9 7 8 2 5 9 3 8 7 1 4 6 5 1 8 9 7 3 2 6 4 9 4 7 8 2 6 3 1 5 3 2 6 5 1 4 7 8 9
Complete the sudoku board based on the rules and visual elements.
Nikoli nhk1908m