task_name string | initial_board string | solution string | title string | rules string | visual_elements string | rows int64 | cols int64 | initial_observation string | description string | task_type string | data_source string | difficulty string | hint string | solver_difficulty string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
sudoku_normal_hard_0 | 7..6....8...9..5....6.4..3.239168754174395682...7..391.2..3.4....1..9...8....1..5 | 745613928312987546986542137239168754174395682658724391527836419461259873893471265 | sudoku_normal_hard_0 | 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 | 9 | 7 . . 6 . . . . 8
. . . 9 . . 5 . .
. . 6 . 4 . . 3 .
2 3 9 1 6 8 7 5 4
1 7 4 3 9 5 6 8 2
. . . 7 . . 3 9 1
. 2 . . 3 . 4 . .
. . 1 . . 9 . . .
8 . . . . 1 . . 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 745613928312987546986542137239168754174395682658724391527836419461259873893471265 #1 Easy (182)
Naked Single: r6c5=2
Full House: r6c6=4
Naked Single: r9c5=7
Naked Single: r7c6=6
Naked Single: r9c3=3
Hidden Single: r7c4=8
Naked Single: r8c5=5
Naked Single: r1c5=1
Full House: r2c5=8
Naked Single: r2c3=2
Naked Single: r1c3=5
Naked Single: r3c1=9
Naked Single: r6c3=8
Full House: r7c3=7
Naked Single: r1c2=4
Naked Single: r3c9=7
Naked Single: r7c1=5
Naked Single: r7c8=1
Full House: r7c9=9
Naked Single: r1c8=2
Naked Single: r2c1=3
Naked Single: r2c2=1
Full House: r3c2=8
Naked Single: r8c2=6
Naked Single: r2c9=6
Full House: r8c9=3
Naked Single: r3c6=2
Naked Single: r6c1=6
Full House: r6c2=5
Full House: r8c1=4
Full House: r9c2=9
Naked Single: r9c7=2
Naked Single: r1c6=3
Full House: r1c7=9
Full House: r2c6=7
Full House: r2c8=4
Full House: r3c7=1
Full House: r3c4=5
Full House: r8c7=8
Naked Single: r9c8=6
Full House: r8c8=7
Full House: r8c4=2
Full House: r9c4=4
| Easy |
sudoku_normal_hard_1 | .438.5....7.3.4.2.8..7624...1.6.8..5..8.2.6.436.9.7.1.4.6.7...9.2.5.9.4....4..1.. | 243815967675394821891762453912648735758123694364957218436271589127589346589436172 | sudoku_normal_hard_1 | 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 | 9 | . 4 3 8 . 5 . . .
. 7 . 3 . 4 . 2 .
8 . . 7 6 2 4 . .
. 1 . 6 . 8 . . 5
. . 8 . 2 . 6 . 4
3 6 . 9 . 7 . 1 .
4 . 6 . 7 . . . 9
. 2 . 5 . 9 . 4 .
. . . 4 . . 1 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 243815967675394821891762453912648735758123694364957218436271589127589346589436172 #1 Easy (210)
Naked Single: r5c4=1
Full House: r7c4=2
Naked Single: r5c6=3
Naked Single: r4c5=4
Full House: r6c5=5
Naked Single: r7c6=1
Full House: r9c6=6
Hidden Single: r1c1=2
Hidden Single: r8c9=6
Hidden Single: r9c9=2
Naked Single: r6c9=8
Naked Single: r2c9=1
Naked Single: r6c7=2
Full House: r6c3=4
Naked Single: r1c9=7
Full House: r3c9=3
Naked Single: r2c5=9
Full House: r1c5=1
Naked Single: r1c7=9
Full House: r1c8=6
Naked Single: r2c3=5
Naked Single: r3c8=5
Full House: r2c7=8
Full House: r2c1=6
Naked Single: r3c2=9
Full House: r3c3=1
Naked Single: r5c2=5
Naked Single: r8c3=7
Naked Single: r8c1=1
Naked Single: r8c7=3
Full House: r8c5=8
Full House: r9c5=3
Naked Single: r9c3=9
Full House: r4c3=2
Naked Single: r4c7=7
Full House: r7c7=5
Naked Single: r7c8=8
Full House: r7c2=3
Full House: r9c2=8
Full House: r9c1=5
Full House: r9c8=7
Naked Single: r4c1=9
Full House: r4c8=3
Full House: r5c8=9
Full House: r5c1=7
| Easy |
sudoku_normal_hard_2 | 893.....55124....3764385291.71..2..4..6.7.1.2...6..387..7.69..8.....1..91......36 | 893127645512496873764385291371852964486973152925614387237569418648731529159248736 | sudoku_normal_hard_2 | 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 | 9 | 8 9 3 . . . . . 5
5 1 2 4 . . . . 3
7 6 4 3 8 5 2 9 1
. 7 1 . . 2 . . 4
. . 6 . 7 . 1 . 2
. . . 6 . . 3 8 7
. . 7 . 6 9 . . 8
. . . . . 1 . . 9
1 . . . . . . 3 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 893127645512496873764385291371852964486973152925614387237569418648731529159248736 #1 Easy (168)
Naked Single: r5c8=5
Naked Single: r2c5=9
Naked Single: r6c6=4
Naked Single: r4c8=6
Full House: r4c7=9
Naked Single: r2c8=7
Naked Single: r4c1=3
Naked Single: r1c8=4
Naked Single: r2c6=6
Full House: r2c7=8
Full House: r1c7=6
Naked Single: r4c5=5
Full House: r4c4=8
Naked Single: r8c8=2
Full House: r7c8=1
Naked Single: r1c6=7
Naked Single: r6c5=1
Naked Single: r5c4=9
Full House: r5c6=3
Full House: r9c6=8
Naked Single: r1c5=2
Full House: r1c4=1
Naked Single: r5c1=4
Full House: r5c2=8
Naked Single: r9c5=4
Full House: r8c5=3
Naked Single: r7c1=2
Naked Single: r8c1=6
Full House: r6c1=9
Naked Single: r7c4=5
Naked Single: r9c2=5
Naked Single: r6c3=5
Full House: r6c2=2
Naked Single: r7c7=4
Full House: r7c2=3
Full House: r8c2=4
Naked Single: r8c4=7
Full House: r9c4=2
Naked Single: r8c3=8
Full House: r9c3=9
Full House: r9c7=7
Full House: r8c7=5
| Easy |
sudoku_normal_hard_3 | .6.98..171....2..3..75..9.42....91.5.3.....72..12...98..41987.69..32...1.1..4..59 | 462983517195472683387516924248739165639851472751264398524198736976325841813647259 | sudoku_normal_hard_3 | 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 | 9 | . 6 . 9 8 . . 1 7
1 . . . . 2 . . 3
. . 7 5 . . 9 . 4
2 . . . . 9 1 . 5
. 3 . . . . . 7 2
. . 1 2 . . . 9 8
. . 4 1 9 8 7 . 6
9 . . 3 2 . . . 1
. 1 . . 4 . . 5 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 462983517195472683387516924248739165639851472751264398524198736976325841813647259 #1 Easy (236)
Hidden Single: r5c3=9
Hidden Single: r2c2=9
Hidden Single: r8c6=5
Hidden Single: r2c4=4
Naked Single: r1c6=3
Hidden Single: r1c1=4
Hidden Single: r8c3=6
Naked Single: r4c3=8
Naked Single: r2c3=5
Naked Single: r1c3=2
Full House: r1c7=5
Full House: r9c3=3
Naked Single: r3c2=8
Full House: r3c1=3
Naked Single: r7c1=5
Naked Single: r8c2=7
Naked Single: r5c1=6
Naked Single: r7c2=2
Full House: r9c1=8
Full House: r6c1=7
Full House: r7c8=3
Naked Single: r4c2=4
Full House: r6c2=5
Naked Single: r5c4=8
Naked Single: r5c7=4
Naked Single: r9c7=2
Naked Single: r4c8=6
Full House: r6c7=3
Naked Single: r5c6=1
Full House: r5c5=5
Naked Single: r8c7=8
Full House: r2c7=6
Full House: r8c8=4
Naked Single: r2c8=8
Full House: r3c8=2
Full House: r2c5=7
Naked Single: r4c4=7
Full House: r4c5=3
Full House: r9c4=6
Full House: r9c6=7
Naked Single: r6c5=6
Full House: r3c5=1
Full House: r3c6=6
Full House: r6c6=4
| Easy |
sudoku_normal_hard_4 | ...1..92...3.4.81.9.1..753..6.5..2.8..5...36.2....4175.5.27.6.1..7.5.4...824.9753 | 876135924523946817941827536769513248415782369238694175354278691697351482182469753 | sudoku_normal_hard_4 | 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 | 9 | . . . 1 . . 9 2 .
. . 3 . 4 . 8 1 .
9 . 1 . . 7 5 3 .
. 6 . 5 . . 2 . 8
. . 5 . . . 3 6 .
2 . . . . 4 1 7 5
. 5 . 2 7 . 6 . 1
. . 7 . 5 . 4 . .
. 8 2 4 . 9 7 5 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 876135924523946817941827536769513248415782369238694175354278691697351482182469753 #1 Easy (208)
Hidden Single: r5c4=7
Hidden Single: r4c1=7
Hidden Single: r4c8=4
Full House: r5c9=9
Naked Single: r4c3=9
Naked Single: r8c9=2
Naked Single: r6c2=3
Naked Single: r6c3=8
Naked Single: r7c3=4
Full House: r1c3=6
Naked Single: r7c1=3
Naked Single: r2c1=5
Naked Single: r7c6=8
Full House: r7c8=9
Full House: r8c8=8
Hidden Single: r2c4=9
Naked Single: r6c4=6
Full House: r6c5=9
Naked Single: r3c4=8
Full House: r8c4=3
Naked Single: r1c5=3
Naked Single: r1c6=5
Naked Single: r4c5=1
Full House: r4c6=3
Naked Single: r5c6=2
Full House: r5c5=8
Naked Single: r9c5=6
Full House: r3c5=2
Full House: r2c6=6
Full House: r8c6=1
Full House: r9c1=1
Naked Single: r3c2=4
Full House: r3c9=6
Naked Single: r2c9=7
Full House: r1c9=4
Full House: r2c2=2
Naked Single: r8c1=6
Full House: r8c2=9
Naked Single: r5c1=4
Full House: r1c1=8
Full House: r1c2=7
Full House: r5c2=1
| Easy |
sudoku_normal_hard_5 | 254...9713..51.4868...7952..9....8....7.8.1....2...63....12.3699....521462....758 | 254836971379512486816479523193657842467283195582941637745128369938765214621394758 | sudoku_normal_hard_5 | 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 | 9 | 2 5 4 . . . 9 7 1
3 . . 5 1 . 4 8 6
8 . . . 7 9 5 2 .
. 9 . . . . 8 . .
. . 7 . 8 . 1 . .
. . 2 . . . 6 3 .
. . . 1 2 . 3 6 9
9 . . . . 5 2 1 4
6 2 . . . . 7 5 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 254836971379512486816479523193657842467283195582941637745128369938765214621394758 #1 Easy (184)
Full House: r3c9=3
Naked Single: r2c6=2
Naked Single: r2c2=7
Full House: r2c3=9
Naked Single: r4c8=4
Full House: r5c8=9
Hidden Single: r3c4=4
Hidden Single: r6c2=8
Naked Single: r7c2=4
Naked Single: r8c2=3
Naked Single: r5c2=6
Full House: r3c2=1
Full House: r3c3=6
Naked Single: r8c3=8
Naked Single: r8c5=6
Full House: r8c4=7
Naked Single: r9c3=1
Naked Single: r7c3=5
Full House: r4c3=3
Full House: r7c1=7
Full House: r7c6=8
Naked Single: r1c5=3
Naked Single: r6c4=9
Naked Single: r4c5=5
Naked Single: r1c6=6
Full House: r1c4=8
Naked Single: r9c4=3
Naked Single: r4c1=1
Naked Single: r6c5=4
Full House: r9c5=9
Full House: r9c6=4
Naked Single: r5c4=2
Full House: r4c4=6
Naked Single: r4c6=7
Full House: r4c9=2
Naked Single: r5c6=3
Full House: r6c6=1
Naked Single: r6c1=5
Full House: r5c1=4
Full House: r5c9=5
Full House: r6c9=7
| Easy |
sudoku_normal_hard_6 | ..92.76..6..49315..3....9.4..13.829..2..6134...35..71.3.....86..8..3.4.1...8.95.. | 149257683678493152532186974461378295725961348893524716354712869987635421216849537 | sudoku_normal_hard_6 | 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 | 9 | . . 9 2 . 7 6 . .
6 . . 4 9 3 1 5 .
. 3 . . . . 9 . 4
. . 1 3 . 8 2 9 .
. 2 . . 6 1 3 4 .
. . 3 5 . . 7 1 .
3 . . . . . 8 6 .
. 8 . . 3 . 4 . 1
. . . 8 . 9 5 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 149257683678493152532186974461378295725961348893524716354712869987635421216849537 #1 Easy (266)
Naked Single: r2c2=7
Hidden Single: r5c4=9
Hidden Single: r8c1=9
Hidden Single: r7c9=9
Hidden Single: r3c8=7
Naked Single: r8c8=2
Naked Single: r9c8=3
Full House: r1c8=8
Full House: r9c9=7
Naked Single: r1c9=3
Full House: r2c9=2
Full House: r2c3=8
Hidden Single: r4c5=7
Hidden Single: r6c2=9
Hidden Single: r3c5=8
Hidden Single: r5c1=7
Naked Single: r5c3=5
Full House: r5c9=8
Naked Single: r3c3=2
Naked Single: r4c1=4
Naked Single: r6c9=6
Full House: r4c9=5
Full House: r4c2=6
Full House: r6c1=8
Hidden Single: r8c6=5
Naked Single: r3c6=6
Naked Single: r3c4=1
Full House: r1c5=5
Full House: r3c1=5
Naked Single: r7c4=7
Full House: r8c4=6
Full House: r8c3=7
Naked Single: r1c1=1
Full House: r1c2=4
Full House: r9c1=2
Naked Single: r7c3=4
Full House: r9c3=6
Naked Single: r9c2=1
Full House: r7c2=5
Full House: r9c5=4
Naked Single: r7c6=2
Full House: r6c6=4
Full House: r6c5=2
Full House: r7c5=1
| Easy |
sudoku_normal_hard_7 | ..31..852567.291..812.4.9.6.8...27....1...4....96...8.1...9...8..82.....67...83.. | 493176852567829134812345976386452791251987463749631285125793648938264517674518329 | sudoku_normal_hard_7 | 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 | 9 | . . 3 1 . . 8 5 2
5 6 7 . 2 9 1 . .
8 1 2 . 4 . 9 . 6
. 8 . . . 2 7 . .
. . 1 . . . 4 . .
. . 9 6 . . . 8 .
1 . . . 9 . . . 8
. . 8 2 . . . . .
6 7 . . . 8 3 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 493176852567829134812345976386452791251987463749631285125793648938264517674518329 #1 Easy (248)
Hidden Single: r2c4=8
Hidden Single: r3c8=7
Hidden Single: r5c8=6
Hidden Single: r4c3=6
Hidden Single: r8c9=7
Hidden Single: r7c2=2
Naked Single: r7c8=4
Naked Single: r2c8=3
Full House: r2c9=4
Naked Single: r7c3=5
Full House: r9c3=4
Naked Single: r7c7=6
Naked Single: r9c4=5
Naked Single: r8c7=5
Full House: r6c7=2
Naked Single: r3c4=3
Full House: r3c6=5
Naked Single: r9c5=1
Naked Single: r7c4=7
Full House: r7c6=3
Naked Single: r9c9=9
Full House: r9c8=2
Full House: r8c8=1
Full House: r4c8=9
Naked Single: r5c4=9
Full House: r4c4=4
Naked Single: r5c6=7
Naked Single: r8c5=6
Full House: r8c6=4
Naked Single: r4c1=3
Naked Single: r1c6=6
Full House: r6c6=1
Full House: r1c5=7
Naked Single: r4c5=5
Full House: r4c9=1
Naked Single: r5c1=2
Naked Single: r5c2=5
Naked Single: r8c1=9
Full House: r8c2=3
Naked Single: r6c5=3
Full House: r5c5=8
Full House: r5c9=3
Full House: r6c9=5
Naked Single: r6c2=4
Full House: r1c2=9
Full House: r1c1=4
Full House: r6c1=7
| Easy |
sudoku_normal_hard_8 | ..6..45.957..1.8..89.536.7..15.2.3..4....5..8.89.6..5..58.427.1.47.5..8.3..9..4.5 | 126874539573219846894536172615428397432795618789163254958342761247651983361987425 | sudoku_normal_hard_8 | 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 | 9 | . . 6 . . 4 5 . 9
5 7 . . 1 . 8 . .
8 9 . 5 3 6 . 7 .
. 1 5 . 2 . 3 . .
4 . . . . 5 . . 8
. 8 9 . 6 . . 5 .
. 5 8 . 4 2 7 . 1
. 4 7 . 5 . . 8 .
3 . . 9 . . 4 . 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 126874539573219846894536172615428397432795618789163254958342761247651983361987425 #1 Easy (228)
Naked Single: r2c6=9
Naked Single: r2c4=2
Hidden Single: r5c5=9
Hidden Single: r4c8=9
Hidden Single: r8c7=9
Hidden Single: r5c4=7
Naked Single: r1c4=8
Full House: r1c5=7
Full House: r9c5=8
Naked Single: r4c6=8
Naked Single: r4c4=4
Hidden Single: r7c1=9
Hidden Single: r2c8=4
Naked Single: r2c3=3
Full House: r2c9=6
Naked Single: r3c9=2
Naked Single: r1c2=2
Naked Single: r5c3=2
Naked Single: r4c9=7
Full House: r4c1=6
Naked Single: r3c7=1
Full House: r1c8=3
Full House: r1c1=1
Full House: r3c3=4
Full House: r9c3=1
Naked Single: r8c9=3
Full House: r6c9=4
Naked Single: r9c2=6
Full House: r5c2=3
Full House: r6c1=7
Full House: r8c1=2
Naked Single: r5c7=6
Full House: r6c7=2
Full House: r5c8=1
Naked Single: r7c8=6
Full House: r9c8=2
Full House: r9c6=7
Full House: r7c4=3
Naked Single: r8c6=1
Full House: r6c6=3
Full House: r6c4=1
Full House: r8c4=6
| Easy |
sudoku_normal_hard_9 | .4.1..8.51....7.3...9.3....6..2...7....78.....7...5.828...7.4...5.9....8932846517 | 347129865168457239529638741685291374293784156471365982816572493754913628932846517 | sudoku_normal_hard_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 | 9 | . 4 . 1 . . 8 . 5
1 . . . . 7 . 3 .
. . 9 . 3 . . . .
6 . . 2 . . . 7 .
. . . 7 8 . . . .
. 7 . . . 5 . 8 2
8 . . . 7 . 4 . .
. 5 . 9 . . . . 8
9 3 2 8 4 6 5 1 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 347129865168457239529638741685291374293784156471365982816572493754913628932846517 #1 Easy (282)
Hidden Single: r3c6=8
Hidden Single: r2c5=5
Hidden Single: r7c4=5
Hidden Single: r4c3=5
Hidden Single: r5c8=5
Hidden Single: r3c7=7
Hidden Single: r3c1=5
Hidden Single: r6c4=3
Naked Single: r6c1=4
Naked Single: r6c3=1
Naked Single: r8c1=7
Naked Single: r5c3=3
Naked Single: r7c3=6
Naked Single: r5c1=2
Full House: r1c1=3
Naked Single: r1c3=7
Naked Single: r2c3=8
Full House: r8c3=4
Full House: r7c2=1
Naked Single: r5c2=9
Full House: r4c2=8
Hidden Single: r3c8=4
Naked Single: r3c4=6
Full House: r2c4=4
Naked Single: r3c2=2
Full House: r3c9=1
Full House: r2c2=6
Naked Single: r2c9=9
Full House: r2c7=2
Full House: r1c8=6
Naked Single: r7c9=3
Naked Single: r8c8=2
Full House: r7c8=9
Full House: r7c6=2
Full House: r8c7=6
Naked Single: r4c9=4
Full House: r5c9=6
Naked Single: r8c5=1
Full House: r8c6=3
Naked Single: r1c6=9
Full House: r1c5=2
Naked Single: r5c7=1
Full House: r5c6=4
Full House: r4c6=1
Naked Single: r6c7=9
Full House: r4c7=3
Full House: r4c5=9
Full House: r6c5=6
| Easy |
sudoku_normal_hard_10 | .2.1.8..47512.48.9..4.7..12.4.3....5..6.5.4..5..4.6.9..7..231.6..5..1..331.64..87 | 923168754751234869684975312148392675296857431537416298879523146465781923312649587 | sudoku_normal_hard_10 | 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 | 9 | . 2 . 1 . 8 . . 4
7 5 1 2 . 4 8 . 9
. . 4 . 7 . . 1 2
. 4 . 3 . . . . 5
. . 6 . 5 . 4 . .
5 . . 4 . 6 . 9 .
. 7 . . 2 3 1 . 6
. . 5 . . 1 . . 3
3 1 . 6 4 . . 8 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 923168754751234869684975312148392675296857431537416298879523146465781923312649587 #1 Medium (388)
Hidden Single: r8c4=7
Locked Pair: 5,9 in r3c46 => r1c5,r3c12<>9, r3c7<>5
Naked Pair: 3,6 in r2c8,r3c7 => r1c78<>3, r1c78<>6
Naked Pair: 1,8 in r6c59 => r6c23<>8
Naked Single: r6c2=3
Hidden Single: r3c7=3
Naked Single: r2c8=6
Full House: r2c5=3
Naked Single: r1c5=6
Naked Single: r1c1=9
Naked Single: r1c3=3
Hidden Single: r5c8=3
Hidden Single: r4c7=6
Hidden Single: r5c6=7
Hidden Single: r5c1=2
Naked Single: r6c3=7
Naked Single: r6c7=2
Naked Single: r4c8=7
Naked Single: r8c7=9
Naked Single: r1c8=5
Full House: r1c7=7
Full House: r9c7=5
Naked Single: r8c5=8
Naked Single: r7c8=4
Full House: r8c8=2
Naked Single: r9c6=9
Full House: r7c4=5
Full House: r9c3=2
Naked Single: r6c5=1
Full House: r4c5=9
Full House: r6c9=8
Full House: r5c9=1
Naked Single: r8c2=6
Full House: r8c1=4
Naked Single: r7c1=8
Full House: r7c3=9
Full House: r4c3=8
Naked Single: r3c6=5
Full House: r4c6=2
Full House: r3c4=9
Full House: r5c4=8
Full House: r4c1=1
Full House: r3c1=6
Full House: r3c2=8
Full House: r5c2=9
| Medium |
sudoku_normal_hard_11 | 9..15..36.3..9..8.5...342....1.73.4.64..8..2779.24.8....271...4.5..6..723...25..8 | 928157436134692785576834291281573649643981527795246813862719354459368172317425968 | sudoku_normal_hard_11 | 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 | 9 | 9 . . 1 5 . . 3 6
. 3 . . 9 . . 8 .
5 . . . 3 4 2 . .
. . 1 . 7 3 . 4 .
6 4 . . 8 . . 2 7
7 9 . 2 4 . 8 . .
. . 2 7 1 . . . 4
. 5 . . 6 . . 7 2
3 . . . 2 5 . . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 928157436134692785576834291281573649643981527795246813862719354459368172317425968 #1 Easy (172)
Naked Single: r2c4=6
Naked Single: r7c1=8
Naked Single: r3c4=8
Naked Single: r4c1=2
Naked Single: r7c2=6
Naked Single: r7c6=9
Naked Single: r4c2=8
Naked Single: r5c6=1
Naked Single: r7c8=5
Full House: r7c7=3
Naked Single: r8c6=8
Naked Single: r9c4=4
Full House: r8c4=3
Naked Single: r6c6=6
Naked Single: r6c8=1
Naked Single: r3c8=9
Full House: r9c8=6
Naked Single: r3c9=1
Naked Single: r2c9=5
Naked Single: r3c2=7
Full House: r3c3=6
Naked Single: r4c9=9
Full House: r6c9=3
Full House: r6c3=5
Full House: r5c3=3
Naked Single: r1c2=2
Full House: r9c2=1
Naked Single: r2c3=4
Naked Single: r4c4=5
Full House: r4c7=6
Full House: r5c7=5
Full House: r5c4=9
Naked Single: r1c6=7
Full House: r2c6=2
Naked Single: r8c1=4
Full House: r2c1=1
Full House: r1c3=8
Full House: r2c7=7
Full House: r1c7=4
Naked Single: r9c7=9
Full House: r8c7=1
Full House: r8c3=9
Full House: r9c3=7
| Easy |
sudoku_normal_hard_12 | 29...574...147..6.4...3...2.34.5..161.....4.778.1645..84..9.....2..436.1.175...94 | 296815743351472968478936152934257816165389427782164539843691275529743681617528394 | sudoku_normal_hard_12 | 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 | 9 | 2 9 . . . 5 7 4 .
. . 1 4 7 . . 6 .
4 . . . 3 . . . 2
. 3 4 . 5 . . 1 6
1 . . . . . 4 . 7
7 8 . 1 6 4 5 . .
8 4 . . 9 . . . .
. 2 . . 4 3 6 . 1
. 1 7 5 . . . 9 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 296815743351472968478936152934257816165389427782164539843691275529743681617528394 #1 Easy (168)
Naked Single: r2c2=5
Naked Single: r4c1=9
Naked Single: r2c1=3
Naked Single: r5c2=6
Full House: r3c2=7
Naked Single: r6c3=2
Full House: r5c3=5
Naked Single: r8c1=5
Full House: r9c1=6
Naked Single: r6c8=3
Full House: r6c9=9
Naked Single: r8c3=9
Full House: r7c3=3
Naked Single: r2c9=8
Naked Single: r7c7=2
Naked Single: r7c9=5
Full House: r1c9=3
Naked Single: r2c7=9
Full House: r2c6=2
Naked Single: r3c8=5
Full House: r3c7=1
Naked Single: r4c7=8
Full House: r5c8=2
Full House: r9c7=3
Naked Single: r7c8=7
Full House: r8c8=8
Full House: r8c4=7
Naked Single: r9c6=8
Full House: r9c5=2
Naked Single: r4c6=7
Full House: r4c4=2
Naked Single: r5c5=8
Full House: r1c5=1
Naked Single: r7c4=6
Full House: r7c6=1
Naked Single: r5c6=9
Full House: r3c6=6
Full House: r5c4=3
Naked Single: r1c4=8
Full House: r1c3=6
Full House: r3c3=8
Full House: r3c4=9
| Easy |
sudoku_normal_hard_13 | ..6.3.85.4..25..76.5...6..1...1...9...5...4...9...51..7.98.3.1..6.5197.35.3.472.9 | 276931854431258976958476321327164598185392467694785132749823615862519743513647289 | sudoku_normal_hard_13 | 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 | 9 | . . 6 . 3 . 8 5 .
4 . . 2 5 . . 7 6
. 5 . . . 6 . . 1
. . . 1 . . . 9 .
. . 5 . . . 4 . .
. 9 . . . 5 1 . .
7 . 9 8 . 3 . 1 .
. 6 . 5 1 9 7 . 3
5 . 3 . 4 7 2 . 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 276931854431258976958476321327164598185392467694785132749823615862519743513647289 #1 Easy (250)
Naked Single: r9c4=6
Full House: r7c5=2
Naked Single: r9c8=8
Full House: r9c2=1
Naked Single: r7c2=4
Naked Single: r8c8=4
Naked Single: r7c9=5
Full House: r7c7=6
Hidden Single: r2c7=9
Naked Single: r3c7=3
Full House: r4c7=5
Naked Single: r3c8=2
Full House: r1c9=4
Naked Single: r1c6=1
Naked Single: r2c6=8
Naked Single: r2c2=3
Full House: r2c3=1
Naked Single: r5c6=2
Full House: r4c6=4
Hidden Single: r5c1=1
Hidden Single: r3c4=4
Hidden Single: r4c1=3
Hidden Single: r6c3=4
Hidden Single: r4c5=6
Hidden Single: r6c1=6
Naked Single: r6c8=3
Full House: r5c8=6
Naked Single: r6c4=7
Naked Single: r1c4=9
Full House: r3c5=7
Full House: r5c4=3
Naked Single: r6c5=8
Full House: r5c5=9
Full House: r6c9=2
Naked Single: r1c1=2
Full House: r1c2=7
Naked Single: r3c3=8
Full House: r3c1=9
Full House: r8c1=8
Full House: r8c3=2
Full House: r4c3=7
Naked Single: r5c2=8
Full House: r4c2=2
Full House: r4c9=8
Full House: r5c9=7
| Easy |
sudoku_normal_hard_14 | 921.56..4.48....2..3..1.5..26.5...9..54.9.8.2819..7..5.92.85.6..7....2.81..4....3 | 921856374548739126637214589263548791754691832819327645392185467475963218186472953 | sudoku_normal_hard_14 | 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 | 9 | 9 2 1 . 5 6 . . 4
. 4 8 . . . . 2 .
. 3 . . 1 . 5 . .
2 6 . 5 . . . 9 .
. 5 4 . 9 . 8 . 2
8 1 9 . . 7 . . 5
. 9 2 . 8 5 . 6 .
. 7 . . . . 2 . 8
1 . . 4 . . . . 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 921856374548739126637214589263548791754691832819327645392185467475963218186472953 #1 Easy (276)
Full House: r9c2=8
Hidden Single: r2c1=5
Hidden Single: r4c6=8
Hidden Single: r5c4=6
Hidden Single: r6c7=6
Hidden Single: r3c6=4
Hidden Single: r9c7=9
Naked Single: r9c6=2
Hidden Single: r5c6=1
Hidden Single: r2c9=6
Hidden Single: r3c4=2
Naked Single: r6c4=3
Naked Single: r4c5=4
Full House: r6c5=2
Full House: r6c8=4
Hidden Single: r8c8=1
Naked Single: r7c9=7
Naked Single: r8c4=9
Naked Single: r3c9=9
Full House: r4c9=1
Naked Single: r7c4=1
Naked Single: r7c7=4
Full House: r9c8=5
Full House: r7c1=3
Naked Single: r2c4=7
Full House: r1c4=8
Naked Single: r8c6=3
Full House: r2c6=9
Full House: r2c5=3
Full House: r2c7=1
Naked Single: r9c3=6
Full House: r9c5=7
Full House: r8c5=6
Naked Single: r5c1=7
Full House: r4c3=3
Full House: r5c8=3
Full House: r4c7=7
Full House: r1c7=3
Full House: r1c8=7
Full House: r3c8=8
Naked Single: r3c3=7
Full House: r8c3=5
Full House: r8c1=4
Full House: r3c1=6
| Easy |
sudoku_normal_hard_15 | .8...5.243..2..17...2.71.9..1....3457385.4962..6...781.2..5.83...4..3.179..1...5. | 187935624395246178462871593219768345738514962546329781621457839854693217973182456 | sudoku_normal_hard_15 | 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 | 9 | . 8 . . . 5 . 2 4
3 . . 2 . . 1 7 .
. . 2 . 7 1 . 9 .
. 1 . . . . 3 4 5
7 3 8 5 . 4 9 6 2
. . 6 . . . 7 8 1
. 2 . . 5 . 8 3 .
. . 4 . . 3 . 1 7
9 . . 1 . . . 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 187935624395246178462871593219768345738514962546329781621457839854693217973182456 #1 Easy (168)
Full House: r5c5=1
Naked Single: r1c7=6
Naked Single: r4c3=9
Naked Single: r4c1=2
Naked Single: r9c9=6
Naked Single: r1c1=1
Naked Single: r2c9=8
Naked Single: r3c7=5
Full House: r3c9=3
Full House: r7c9=9
Naked Single: r8c7=2
Full House: r9c7=4
Naked Single: r2c3=5
Naked Single: r9c2=7
Naked Single: r1c3=7
Naked Single: r7c1=6
Naked Single: r7c3=1
Full House: r9c3=3
Naked Single: r3c1=4
Naked Single: r7c6=7
Full House: r7c4=4
Naked Single: r8c2=5
Full House: r8c1=8
Full House: r6c1=5
Full House: r6c2=4
Naked Single: r3c2=6
Full House: r2c2=9
Full House: r3c4=8
Naked Single: r2c6=6
Full House: r2c5=4
Naked Single: r4c6=8
Naked Single: r4c5=6
Full House: r4c4=7
Naked Single: r9c6=2
Full House: r6c6=9
Full House: r9c5=8
Naked Single: r8c5=9
Full House: r8c4=6
Naked Single: r6c4=3
Full House: r1c4=9
Full House: r1c5=3
Full House: r6c5=2
| Easy |
sudoku_normal_hard_16 | ..47..3..1....8..2..9.4..5..6.1.75..5...9...1..18.5.3..8..1.27.3.257...9..7.826.. | 854721396136958742729643158968137524573294861241865937685419273312576489497382615 | sudoku_normal_hard_16 | 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 | 9 | . . 4 7 . . 3 . .
1 . . . . 8 . . 2
. . 9 . 4 . . 5 .
. 6 . 1 . 7 5 . .
5 . . . 9 . . . 1
. . 1 8 . 5 . 3 .
. 8 . . 1 . 2 7 .
3 . 2 5 7 . . . 9
. . 7 . 8 2 6 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 854721396136958742729643158968137524573294861241865937685419273312576489497382615 #1 Medium (622)
Hidden Single: r8c6=6
Locked Pair: 3,8 in r45c3 => r2c3,r5c2<>3, r4c1<>8
Locked Candidates Type 1 (Pointing): 4 in b5 => r5c278<>4
Naked Triple: 1,4,8 in r8c78,r9c8 => r79c9<>4
Locked Candidates Type 2 (Claiming): 4 in c9 => r4c8,r6c7<>4
Hidden Pair: 1,9 in r1c68 => r1c8<>6, r1c8<>8
Hidden Triple: 1,4,9 in r689c2 => r6c2<>2, r6c2<>7, r9c2<>5
Hidden Single: r9c9=5
Naked Single: r7c9=3
Hidden Single: r7c3=5
Naked Single: r2c3=6
Hidden Single: r9c4=3
Naked Single: r2c4=9
Naked Single: r1c6=1
Naked Single: r2c8=4
Naked Single: r7c4=4
Full House: r7c6=9
Full House: r7c1=6
Naked Single: r1c8=9
Naked Single: r3c6=3
Full House: r5c6=4
Naked Single: r2c7=7
Naked Single: r9c8=1
Naked Single: r2c5=5
Full House: r2c2=3
Naked Single: r5c7=8
Naked Single: r6c7=9
Naked Single: r8c8=8
Full House: r8c7=4
Full House: r3c7=1
Full House: r8c2=1
Naked Single: r4c8=2
Full House: r5c8=6
Naked Single: r4c9=4
Full House: r6c9=7
Naked Single: r5c3=3
Full House: r4c3=8
Naked Single: r6c2=4
Naked Single: r4c5=3
Full House: r4c1=9
Naked Single: r5c4=2
Full House: r3c4=6
Full House: r5c2=7
Full House: r6c1=2
Full House: r6c5=6
Full House: r1c5=2
Naked Single: r9c2=9
Full House: r9c1=4
Naked Single: r3c9=8
Full House: r1c9=6
Naked Single: r3c2=2
Full House: r1c2=5
Full House: r1c1=8
Full House: r3c1=7
| Medium |
sudoku_normal_hard_17 | 428.65.9.567.914.2139.246....5..9..1...1.....21.4..8....157..466..9..3...8.6....5 | 428765193567391482139824657845239761973186524216457839391578246654912378782643915 | sudoku_normal_hard_17 | 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 | 9 | 4 2 8 . 6 5 . 9 .
5 6 7 . 9 1 4 . 2
1 3 9 . 2 4 6 . .
. . 5 . . 9 . . 1
. . . 1 . . . . .
2 1 . 4 . . 8 . .
. . 1 5 7 . . 4 6
6 . . 9 . . 3 . .
. 8 . 6 . . . . 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 428765193567391482139824657845239761973186524216457839391578246654912378782643915 #1 Easy (172)
Naked Single: r7c2=9
Naked Single: r7c1=3
Naked Single: r7c7=2
Full House: r7c6=8
Naked Single: r9c1=7
Naked Single: r4c7=7
Naked Single: r8c6=2
Naked Single: r4c1=8
Full House: r5c1=9
Naked Single: r9c8=1
Naked Single: r1c7=1
Naked Single: r4c2=4
Naked Single: r8c3=4
Naked Single: r9c6=3
Naked Single: r4c5=3
Naked Single: r5c7=5
Full House: r9c7=9
Naked Single: r5c2=7
Full House: r8c2=5
Full House: r9c3=2
Full House: r9c5=4
Full House: r8c5=1
Naked Single: r4c4=2
Full House: r4c8=6
Naked Single: r6c5=5
Full House: r5c5=8
Naked Single: r5c6=6
Full House: r6c6=7
Naked Single: r6c8=3
Naked Single: r5c3=3
Full House: r6c3=6
Full House: r6c9=9
Naked Single: r2c8=8
Full House: r2c4=3
Naked Single: r5c8=2
Full House: r5c9=4
Naked Single: r3c9=7
Naked Single: r8c8=7
Full House: r3c8=5
Full House: r1c9=3
Full House: r1c4=7
Full House: r3c4=8
Full House: r8c9=8
| Easy |
sudoku_normal_hard_18 | 2.49..81.5.1.6732.3...1..5..5...6..1.18...6..6..1...7..4..8...3.2.5.....1.7..94.5 | 274953816581467329369218754452876931718395642693142578945781263826534197137629485 | sudoku_normal_hard_18 | 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 | 9 | 2 . 4 9 . . 8 1 .
5 . 1 . 6 7 3 2 .
3 . . . 1 . . 5 .
. 5 . . . 6 . . 1
. 1 8 . . . 6 . .
6 . . 1 . . . 7 .
. 4 . . 8 . . . 3
. 2 . 5 . . . . .
1 . 7 . . 9 4 . 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 274953816581467329369218754452876931718395642693142578945781263826534197137629485 #1 Easy (202)
Naked Single: r7c1=9
Naked Single: r7c8=6
Naked Single: r8c1=8
Naked Single: r7c3=5
Naked Single: r9c8=8
Naked Single: r8c8=9
Naked Single: r8c9=7
Naked Single: r1c9=6
Naked Single: r8c7=1
Full House: r7c7=2
Naked Single: r1c2=7
Naked Single: r4c7=9
Naked Single: r7c4=7
Full House: r7c6=1
Naked Single: r3c7=7
Full House: r6c7=5
Hidden Single: r9c4=6
Naked Single: r9c2=3
Full House: r8c3=6
Full House: r9c5=2
Naked Single: r6c2=9
Naked Single: r3c3=9
Naked Single: r2c2=8
Full House: r3c2=6
Naked Single: r3c9=4
Full House: r2c9=9
Full House: r2c4=4
Naked Single: r5c9=2
Full House: r6c9=8
Naked Single: r5c4=3
Naked Single: r5c8=4
Full House: r4c8=3
Naked Single: r6c5=4
Naked Single: r5c1=7
Full House: r4c1=4
Naked Single: r5c6=5
Full House: r5c5=9
Naked Single: r4c3=2
Full House: r6c3=3
Full House: r6c6=2
Naked Single: r4c5=7
Full House: r4c4=8
Full House: r3c4=2
Full House: r3c6=8
Naked Single: r8c5=3
Full House: r1c5=5
Full House: r1c6=3
Full House: r8c6=4
| Easy |
sudoku_normal_hard_19 | .4.69...71....3.9.95318726.7392.6.....6.4.7.9.....965...1.7...669.8...718...61.4. | 248695137167423895953187264739256418516348729482719653321574986694832571875961342 | sudoku_normal_hard_19 | 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 | 9 | . 4 . 6 9 . . . 7
1 . . . . 3 . 9 .
9 5 3 1 8 7 2 6 .
7 3 9 2 . 6 . . .
. . 6 . 4 . 7 . 9
. . . . . 9 6 5 .
. . 1 . 7 . . . 6
6 9 . 8 . . . 7 1
8 . . . 6 1 . 4 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 248695137167423895953187264739256418516348729482719653321574986694832571875961342 #1 Easy (168)
Full House: r3c9=4
Naked Single: r1c1=2
Naked Single: r7c2=2
Naked Single: r4c9=8
Naked Single: r1c3=8
Naked Single: r1c6=5
Naked Single: r5c1=5
Naked Single: r6c1=4
Full House: r7c1=3
Naked Single: r9c2=7
Naked Single: r2c9=5
Naked Single: r4c8=1
Naked Single: r2c3=7
Full House: r2c2=6
Naked Single: r2c4=4
Full House: r2c5=2
Full House: r2c7=8
Naked Single: r5c6=8
Naked Single: r7c6=4
Full House: r8c6=2
Naked Single: r5c4=3
Naked Single: r6c3=2
Naked Single: r7c8=8
Naked Single: r9c3=5
Full House: r8c3=4
Naked Single: r1c8=3
Full House: r5c8=2
Full House: r5c2=1
Full House: r1c7=1
Full House: r6c2=8
Naked Single: r4c5=5
Full House: r4c7=4
Full House: r6c9=3
Full House: r9c9=2
Naked Single: r6c4=7
Full House: r6c5=1
Full House: r8c5=3
Full House: r8c7=5
Naked Single: r9c4=9
Full House: r7c4=5
Full House: r7c7=9
Full House: r9c7=3
| Easy |
sudoku_normal_hard_20 | .9.1...2.217946538.....5.6...8.....3.6.....5.9.....8...2.6..385436582791.51..9.4. | 695138427217946538384725169548261973163897254972453816729614385436582791851379642 | sudoku_normal_hard_20 | 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 | 9 | . 9 . 1 . . . 2 .
2 1 7 9 4 6 5 3 8
. . . . . 5 . 6 .
. . 8 . . . . . 3
. 6 . . . . . 5 .
9 . . . . . 8 . .
. 2 . 6 . . 3 8 5
4 3 6 5 8 2 7 9 1
. 5 1 . . 9 . 4 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 695138427217946538384725169548261973163897254972453816729614385436582791851379642 #1 Easy (172)
Naked Single: r1c7=4
Naked Single: r7c1=7
Naked Single: r7c3=9
Full House: r9c1=8
Naked Single: r1c9=7
Naked Single: r7c5=1
Full House: r7c6=4
Naked Single: r3c1=3
Naked Single: r1c5=3
Naked Single: r3c9=9
Full House: r3c7=1
Naked Single: r1c3=5
Naked Single: r3c3=4
Naked Single: r5c1=1
Naked Single: r1c6=8
Full House: r1c1=6
Full House: r3c2=8
Full House: r4c1=5
Naked Single: r9c5=7
Full House: r9c4=3
Naked Single: r3c5=2
Full House: r3c4=7
Naked Single: r5c5=9
Naked Single: r4c5=6
Full House: r6c5=5
Naked Single: r5c7=2
Naked Single: r4c7=9
Full House: r9c7=6
Full House: r9c9=2
Naked Single: r5c3=3
Full House: r6c3=2
Naked Single: r5c9=4
Full House: r6c9=6
Naked Single: r5c6=7
Full House: r5c4=8
Naked Single: r6c4=4
Full House: r4c4=2
Naked Single: r4c6=1
Full House: r6c6=3
Naked Single: r6c2=7
Full House: r4c2=4
Full House: r4c8=7
Full House: r6c8=1
| Easy |
sudoku_normal_hard_21 | 23.5.18....12384...8....12.4..859..1.5..1..4231.642..816.....8...3.7621....1.5..6 | 234591867671238459589764123426859371958317642317642598165923784893476215742185936 | sudoku_normal_hard_21 | 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 | 9 | 2 3 . 5 . 1 8 . .
. . 1 2 3 8 4 . .
. 8 . . . . 1 2 .
4 . . 8 5 9 . . 1
. 5 . . 1 . . 4 2
3 1 . 6 4 2 . . 8
1 6 . . . . . 8 .
. . 3 . 7 6 2 1 .
. . . 1 . 5 . . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 234591867671238459589764123426859371958317642317642598165923784893476215742185936 #1 Easy (218)
Hidden Single: r3c9=3
Hidden Single: r1c3=4
Hidden Single: r8c1=8
Hidden Single: r9c5=8
Hidden Single: r9c2=4
Naked Single: r8c2=9
Naked Single: r2c2=7
Full House: r4c2=2
Naked Single: r8c4=4
Full House: r8c9=5
Naked Single: r9c1=7
Naked Single: r7c6=3
Naked Single: r2c9=9
Naked Single: r9c3=2
Full House: r7c3=5
Naked Single: r5c6=7
Full House: r3c6=4
Full House: r5c4=3
Naked Single: r7c4=9
Full House: r3c4=7
Full House: r7c5=2
Naked Single: r1c9=7
Full House: r7c9=4
Full House: r7c7=7
Naked Single: r1c8=6
Full House: r1c5=9
Full House: r2c8=5
Full House: r3c5=6
Full House: r2c1=6
Naked Single: r3c3=9
Full House: r3c1=5
Full House: r5c1=9
Naked Single: r6c3=7
Naked Single: r5c7=6
Full House: r5c3=8
Full House: r4c3=6
Naked Single: r6c8=9
Full House: r6c7=5
Naked Single: r4c7=3
Full House: r4c8=7
Full House: r9c8=3
Full House: r9c7=9
| Easy |
sudoku_normal_hard_22 | ..3.5..7.71.8..3..9....7.6...2.86914....4.62.1..23958..9.17...8..7..8.3..81.9.7.. | 643952871715864392928317465532786914879541623164239587396175248457628139281493756 | sudoku_normal_hard_22 | 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 | 9 | . . 3 . 5 . . 7 .
7 1 . 8 . . 3 . .
9 . . . . 7 . 6 .
. . 2 . 8 6 9 1 4
. . . . 4 . 6 2 .
1 . . 2 3 9 5 8 .
. 9 . 1 7 . . . 8
. . 7 . . 8 . 3 .
. 8 1 . 9 . 7 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 643952871715864392928317465532786914879541623164239587396175248457628139281493756 #1 Easy (310)
Naked Single: r6c9=7
Full House: r5c9=3
Hidden Single: r3c4=3
Hidden Single: r5c3=9
Hidden Single: r5c6=1
Hidden Single: r3c5=1
Hidden Single: r1c4=9
Hidden Single: r8c9=9
Hidden Single: r2c8=9
Hidden Single: r4c2=3
Naked Single: r4c1=5
Full House: r4c4=7
Full House: r5c4=5
Naked Single: r5c1=8
Full House: r5c2=7
Hidden Single: r3c3=8
Hidden Single: r2c5=6
Full House: r8c5=2
Hidden Single: r8c7=1
Hidden Single: r1c9=1
Hidden Single: r9c9=6
Naked Single: r9c4=4
Full House: r8c4=6
Naked Single: r9c8=5
Full House: r7c8=4
Full House: r7c7=2
Naked Single: r8c1=4
Full House: r8c2=5
Naked Single: r9c6=3
Full House: r7c6=5
Full House: r9c1=2
Naked Single: r3c7=4
Full House: r1c7=8
Naked Single: r7c3=6
Full House: r7c1=3
Full House: r1c1=6
Naked Single: r3c2=2
Full House: r3c9=5
Full House: r2c9=2
Naked Single: r6c3=4
Full House: r2c3=5
Full House: r1c2=4
Full House: r2c6=4
Full House: r6c2=6
Full House: r1c6=2
| Easy |
sudoku_normal_hard_23 | .5.496.31.635.7...4..8...6..3.1..25.6...5..78..2..4.1.386975142...6..38.1...4..9. | 257496831863517429419832567738169254641253978592784613386975142974621385125348796 | sudoku_normal_hard_23 | 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 | 9 | . 5 . 4 9 6 . 3 1
. 6 3 5 . 7 . . .
4 . . 8 . . . 6 .
. 3 . 1 . . 2 5 .
6 . . . 5 . . 7 8
. . 2 . . 4 . 1 .
3 8 6 9 7 5 1 4 2
. . . 6 . . 3 8 .
1 . . . 4 . . 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 257496831863517429419832567738169254641253978592784613386975142974621385125348796 #1 Easy (168)
Full House: r2c8=2
Naked Single: r2c5=1
Naked Single: r8c5=2
Naked Single: r3c5=3
Full House: r3c6=2
Naked Single: r8c6=1
Naked Single: r9c4=3
Full House: r9c6=8
Naked Single: r5c4=2
Full House: r6c4=7
Naked Single: r4c6=9
Full House: r5c6=3
Naked Single: r6c2=9
Naked Single: r6c7=6
Naked Single: r4c9=4
Naked Single: r6c5=8
Full House: r4c5=6
Naked Single: r6c9=3
Full House: r5c7=9
Full House: r6c1=5
Naked Single: r2c9=9
Naked Single: r2c1=8
Full House: r2c7=4
Naked Single: r1c3=7
Naked Single: r4c1=7
Full House: r4c3=8
Naked Single: r1c1=2
Full House: r1c7=8
Full House: r8c1=9
Naked Single: r3c2=1
Full House: r3c3=9
Naked Single: r9c3=5
Naked Single: r5c2=4
Full House: r5c3=1
Full House: r8c3=4
Naked Single: r9c7=7
Full House: r3c7=5
Full House: r3c9=7
Naked Single: r8c2=7
Full House: r8c9=5
Full House: r9c2=2
Full House: r9c9=6
| Easy |
sudoku_normal_hard_24 | ..8.4..7.6..9.72.879...2...9..7..8...1.....5...7..9..6...1..6374.5396182.3.278594 | 328641975654937218791582463963725841812463759547819326289154637475396182136278594 | sudoku_normal_hard_24 | 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 | 9 | . . 8 . 4 . . 7 .
6 . . 9 . 7 2 . 8
7 9 . . . 2 . . .
9 . . 7 . . 8 . .
. 1 . . . . . 5 .
. . 7 . . 9 . . 6
. . . 1 . . 6 3 7
4 . 5 3 9 6 1 8 2
. 3 . 2 7 8 5 9 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 328641975654937218791582463963725841812463759547819326289154637475396182136278594 #1 Easy (232)
Full House: r8c2=7
Naked Single: r7c5=5
Full House: r7c6=4
Naked Single: r9c1=1
Full House: r9c3=6
Naked Single: r5c6=3
Naked Single: r5c9=9
Hidden Single: r3c8=6
Hidden Single: r5c7=7
Hidden Single: r7c3=9
Hidden Single: r1c4=6
Hidden Single: r4c2=6
Hidden Single: r2c2=5
Naked Single: r1c2=2
Naked Single: r1c1=3
Naked Single: r7c2=8
Full House: r6c2=4
Full House: r7c1=2
Naked Single: r1c7=9
Naked Single: r5c3=2
Naked Single: r6c7=3
Full House: r3c7=4
Naked Single: r5c1=8
Full House: r6c1=5
Full House: r4c3=3
Naked Single: r4c9=1
Naked Single: r2c8=1
Naked Single: r3c3=1
Full House: r2c3=4
Full House: r2c5=3
Naked Single: r5c4=4
Full House: r5c5=6
Naked Single: r6c4=8
Full House: r3c4=5
Naked Single: r1c9=5
Full House: r1c6=1
Full House: r4c6=5
Full House: r3c5=8
Full House: r3c9=3
Naked Single: r4c5=2
Full House: r4c8=4
Full House: r6c8=2
Full House: r6c5=1
| Easy |
sudoku_normal_hard_25 | ..8.3..6..1...93.763.7......83..41..5..1.3..6.962.7.3.....21..93..9.5.2..4.876513 | 478532961215469387639718254783654192524193876196287435857321649361945728942876513 | sudoku_normal_hard_25 | 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 | 9 | . . 8 . 3 . . 6 .
. 1 . . . 9 3 . 7
6 3 . 7 . . . . .
. 8 3 . . 4 1 . .
5 . . 1 . 3 . . 6
. 9 6 2 . 7 . 3 .
. . . . 2 1 . . 9
3 . . 9 . 5 . 2 .
. 4 . 8 7 6 5 1 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 478532961215469387639718254783654192524193876196287435857321649361945728942876513 #1 Easy (286)
Naked Single: r1c6=2
Full House: r3c6=8
Naked Single: r8c5=4
Full House: r7c4=3
Naked Single: r8c9=8
Hidden Single: r6c1=1
Hidden Single: r1c9=1
Hidden Single: r3c5=1
Hidden Single: r7c1=8
Hidden Single: r8c3=1
Hidden Single: r5c2=2
Naked Single: r4c1=7
Full House: r5c3=4
Hidden Single: r2c8=8
Hidden Single: r4c9=2
Hidden Single: r3c7=2
Hidden Single: r1c2=7
Naked Single: r8c2=6
Full House: r7c2=5
Full House: r8c7=7
Naked Single: r7c3=7
Naked Single: r7c8=4
Full House: r7c7=6
Hidden Single: r1c4=5
Naked Single: r2c5=6
Full House: r2c4=4
Full House: r4c4=6
Naked Single: r2c1=2
Full House: r2c3=5
Naked Single: r9c1=9
Full House: r1c1=4
Full House: r3c3=9
Full House: r9c3=2
Full House: r1c7=9
Naked Single: r3c8=5
Full House: r3c9=4
Full House: r6c9=5
Naked Single: r5c7=8
Full House: r6c7=4
Full House: r6c5=8
Naked Single: r4c8=9
Full House: r4c5=5
Full House: r5c5=9
Full House: r5c8=7
| Easy |
sudoku_normal_hard_26 | .32.4..65.742.5...95....2...4.1..6.3.65.8.7.929..76.8..29.....6.8.7..5.2.1..2..9. | 832947165674215938951863247748192653165384729293576481329451876486739512517628394 | sudoku_normal_hard_26 | 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 | 9 | . 3 2 . 4 . . 6 5
. 7 4 2 . 5 . . .
9 5 . . . . 2 . .
. 4 . 1 . . 6 . 3
. 6 5 . 8 . 7 . 9
2 9 . . 7 6 . 8 .
. 2 9 . . . . . 6
. 8 . 7 . . 5 . 2
. 1 . . 2 . . 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 832947165674215938951863247748192653165384729293576481329451876486739512517628394 #1 Easy (240)
Hidden Single: r1c6=7
Hidden Single: r6c4=5
Naked Single: r4c5=9
Naked Single: r4c6=2
Naked Single: r4c8=5
Hidden Single: r1c4=9
Hidden Single: r7c5=5
Hidden Single: r9c1=5
Hidden Single: r6c3=3
Naked Single: r5c1=1
Naked Single: r8c3=6
Naked Single: r1c1=8
Full House: r1c7=1
Naked Single: r9c3=7
Naked Single: r2c1=6
Full House: r3c3=1
Full House: r4c3=8
Full House: r4c1=7
Naked Single: r2c8=3
Naked Single: r2c9=8
Naked Single: r6c7=4
Full House: r6c9=1
Full House: r5c8=2
Naked Single: r2c5=1
Full House: r2c7=9
Naked Single: r9c9=4
Full House: r3c9=7
Full House: r3c8=4
Naked Single: r8c5=3
Full House: r3c5=6
Naked Single: r8c8=1
Full House: r7c8=7
Naked Single: r8c1=4
Full House: r7c1=3
Full House: r8c6=9
Naked Single: r9c6=8
Naked Single: r7c7=8
Full House: r9c7=3
Full House: r9c4=6
Naked Single: r3c6=3
Full House: r3c4=8
Naked Single: r7c4=4
Full House: r5c4=3
Full House: r5c6=4
Full House: r7c6=1
| Easy |
sudoku_normal_hard_27 | .2.894...39...7.8...4...19.6.23.9.4.9.3.486.245...2..9..9...5...6.4..9.7...981.26 | 125894763396517284784236195672359841913748652458162379249673518861425937537981426 | sudoku_normal_hard_27 | 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 | 9 | . 2 . 8 9 4 . . .
3 9 . . . 7 . 8 .
. . 4 . . . 1 9 .
6 . 2 3 . 9 . 4 .
9 . 3 . 4 8 6 . 2
4 5 . . . 2 . . 9
. . 9 . . . 5 . .
. 6 . 4 . . 9 . 7
. . . 9 8 1 . 2 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 125894763396517284784236195672359841913748652458162379249673518861425937537981426 #1 Easy (286)
Hidden Single: r2c7=2
Hidden Single: r7c9=8
Hidden Single: r1c8=6
Hidden Single: r2c9=4
Hidden Single: r9c7=4
Hidden Single: r4c9=1
Hidden Single: r7c2=4
Hidden Single: r2c3=6
Hidden Single: r5c8=5
Hidden Single: r1c7=7
Naked Single: r4c7=8
Full House: r6c7=3
Full House: r6c8=7
Naked Single: r4c2=7
Full House: r4c5=5
Naked Single: r3c2=8
Naked Single: r5c2=1
Full House: r9c2=3
Full House: r5c4=7
Full House: r6c3=8
Naked Single: r2c5=1
Full House: r2c4=5
Naked Single: r6c5=6
Full House: r6c4=1
Hidden Single: r1c9=3
Full House: r3c9=5
Naked Single: r3c1=7
Naked Single: r9c1=5
Full House: r9c3=7
Naked Single: r1c1=1
Full House: r1c3=5
Full House: r8c3=1
Naked Single: r7c1=2
Full House: r8c1=8
Naked Single: r8c8=3
Full House: r7c8=1
Naked Single: r7c4=6
Full House: r3c4=2
Naked Single: r8c5=2
Full House: r8c6=5
Naked Single: r7c6=3
Full House: r3c6=6
Full House: r3c5=3
Full House: r7c5=7
| Easy |
sudoku_normal_hard_28 | 67...9..5.514.......357.8.1.4.765.18.16.2495.5....146...865.1..1....86..2.791.584 | 674189325851432796923576841349765218716824953582391467498657132135248679267913584 | sudoku_normal_hard_28 | 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 | 9 | 6 7 . . . 9 . . 5
. 5 1 4 . . . . .
. . 3 5 7 . 8 . 1
. 4 . 7 6 5 . 1 8
. 1 6 . 2 4 9 5 .
5 . . . . 1 4 6 .
. . 8 6 5 . 1 . .
1 . . . . 8 6 . .
2 . 7 9 1 . 5 8 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 674189325851432796923576841349765218716824953582391467498657132135248679267913584 #1 Easy (176)
Naked Single: r9c6=3
Full House: r9c2=6
Naked Single: r8c4=2
Naked Single: r8c5=4
Full House: r7c6=7
Hidden Single: r3c6=6
Full House: r2c6=2
Hidden Single: r2c1=8
Naked Single: r2c5=3
Naked Single: r1c5=8
Full House: r1c4=1
Full House: r6c5=9
Naked Single: r2c7=7
Naked Single: r6c3=2
Naked Single: r2c8=9
Full House: r2c9=6
Naked Single: r1c3=4
Naked Single: r4c3=9
Full House: r8c3=5
Naked Single: r3c1=9
Full House: r3c2=2
Full House: r3c8=4
Naked Single: r4c1=3
Full House: r4c7=2
Full House: r1c7=3
Full House: r1c8=2
Naked Single: r5c1=7
Full House: r6c2=8
Full House: r7c1=4
Naked Single: r7c8=3
Full House: r8c8=7
Naked Single: r5c9=3
Full House: r5c4=8
Full House: r6c4=3
Full House: r6c9=7
Naked Single: r7c2=9
Full House: r7c9=2
Full House: r8c9=9
Full House: r8c2=3
| Easy |
sudoku_normal_hard_29 | .1.796.3.3..54291...5381.2..6.9....3..782.16.4..6.7.8..23.7.69...92.3..1...4...5. | 214796538386542917795381426862915743937824165451637289523178694649253871178469352 | sudoku_normal_hard_29 | 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 | 9 | . 1 . 7 9 6 . 3 .
3 . . 5 4 2 9 1 .
. . 5 3 8 1 . 2 .
. 6 . 9 . . . . 3
. . 7 8 2 . 1 6 .
4 . . 6 . 7 . 8 .
. 2 3 . 7 . 6 9 .
. . 9 2 . 3 . . 1
. . . 4 . . . 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 214796538386542917795381426862915743937824165451637289523178694649253871178469352 #1 Easy (168)
Full House: r7c4=1
Naked Single: r9c5=6
Naked Single: r8c5=5
Naked Single: r4c5=1
Full House: r6c5=3
Naked Single: r7c6=8
Full House: r9c6=9
Naked Single: r7c1=5
Full House: r7c9=4
Naked Single: r5c1=9
Naked Single: r8c8=7
Full House: r4c8=4
Naked Single: r5c9=5
Naked Single: r6c2=5
Naked Single: r8c7=8
Naked Single: r4c6=5
Full House: r5c6=4
Full House: r5c2=3
Naked Single: r1c9=8
Naked Single: r6c7=2
Naked Single: r8c1=6
Full House: r8c2=4
Naked Single: r9c9=2
Full House: r9c7=3
Naked Single: r1c1=2
Naked Single: r4c7=7
Full House: r6c9=9
Full House: r6c3=1
Naked Single: r3c1=7
Naked Single: r1c3=4
Full House: r1c7=5
Full House: r3c7=4
Naked Single: r4c1=8
Full House: r4c3=2
Full House: r9c1=1
Naked Single: r9c3=8
Full House: r2c3=6
Full House: r9c2=7
Naked Single: r2c2=8
Full House: r3c2=9
Full House: r3c9=6
Full House: r2c9=7
| Easy |
sudoku_normal_hard_30 | 4.7.8.123.2...1.94...42.5.78...14.6...9...24..4..5...8..6.42.5.21479..365...6.4.. | 457689123328571694961423587835214769179836245642957318786342951214795836593168472 | sudoku_normal_hard_30 | 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 | 9 | 4 . 7 . 8 . 1 2 3
. 2 . . . 1 . 9 4
. . . 4 2 . 5 . 7
8 . . . 1 4 . 6 .
. . 9 . . . 2 4 .
. 4 . . 5 . . . 8
. . 6 . 4 2 . 5 .
2 1 4 7 9 . . 3 6
5 . . . 6 . 4 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 457689123328571694961423587835214769179836245642957318786342951214795836593168472 #1 Easy (172)
Naked Single: r3c8=8
Full House: r2c7=6
Naked Single: r8c7=8
Full House: r8c6=5
Naked Single: r2c1=3
Naked Single: r2c4=5
Naked Single: r2c5=7
Full House: r2c3=8
Full House: r5c5=3
Naked Single: r3c3=1
Naked Single: r9c3=3
Naked Single: r6c3=2
Full House: r4c3=5
Naked Single: r9c6=8
Naked Single: r4c9=9
Naked Single: r9c4=1
Full House: r7c4=3
Naked Single: r4c4=2
Naked Single: r7c9=1
Naked Single: r9c8=7
Full House: r6c8=1
Naked Single: r9c9=2
Full House: r5c9=5
Full House: r7c7=9
Full House: r9c2=9
Naked Single: r7c1=7
Full House: r7c2=8
Naked Single: r3c2=6
Naked Single: r6c1=6
Naked Single: r1c2=5
Full House: r3c1=9
Full House: r5c1=1
Full House: r3c6=3
Naked Single: r5c2=7
Full House: r4c2=3
Full House: r4c7=7
Full House: r6c7=3
Naked Single: r6c4=9
Full House: r6c6=7
Naked Single: r5c6=6
Full House: r1c6=9
Full House: r1c4=6
Full House: r5c4=8
| Easy |
sudoku_normal_hard_31 | 81....756...8.5293.....34.123...4517....8.3..541732869..52....4..71.8...4......78 | 813429756674815293952673481238964517796581342541732869185297634367148925429356178 | sudoku_normal_hard_31 | 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 | 9 | 8 1 . . . . 7 5 6
. . . 8 . 5 2 9 3
. . . . . 3 4 . 1
2 3 . . . 4 5 1 7
. . . . 8 . 3 . .
5 4 1 7 3 2 8 6 9
. . 5 2 . . . . 4
. . 7 1 . 8 . . .
4 . . . . . . 7 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 813429756674815293952673481238964517796581342541732869185297634367148925429356178 #1 Easy (168)
Full House: r3c8=8
Naked Single: r1c6=9
Naked Single: r5c9=2
Full House: r5c8=4
Full House: r8c9=5
Naked Single: r7c8=3
Full House: r8c8=2
Naked Single: r1c4=4
Naked Single: r3c4=6
Naked Single: r9c6=6
Naked Single: r1c5=2
Full House: r1c3=3
Naked Single: r4c4=9
Naked Single: r5c6=1
Full House: r7c6=7
Naked Single: r3c5=7
Full House: r2c5=1
Naked Single: r4c5=6
Full House: r5c4=5
Full House: r4c3=8
Full House: r9c4=3
Naked Single: r7c5=9
Naked Single: r3c1=9
Naked Single: r8c5=4
Full House: r9c5=5
Naked Single: r3c3=2
Full House: r3c2=5
Naked Single: r9c3=9
Naked Single: r5c3=6
Full House: r2c3=4
Naked Single: r8c2=6
Naked Single: r9c2=2
Full House: r9c7=1
Naked Single: r5c1=7
Full House: r5c2=9
Naked Single: r2c2=7
Full House: r7c2=8
Full House: r2c1=6
Naked Single: r7c1=1
Full House: r8c1=3
Full House: r8c7=9
Full House: r7c7=6
| Easy |
sudoku_normal_hard_32 | 6..5...4...1.49..8.5..8.7.1..7....325..2.4.76.2....9..349.72.858654..2.7712..8..3 | 678521349231749568954386721487965132593214876126837954349172685865493217712658493 | sudoku_normal_hard_32 | 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 | 9 | 6 . . 5 . . . 4 .
. . 1 . 4 9 . . 8
. 5 . . 8 . 7 . 1
. . 7 . . . . 3 2
5 . . 2 . 4 . 7 6
. 2 . . . . 9 . .
3 4 9 . 7 2 . 8 5
8 6 5 4 . . 2 . 7
7 1 2 . . 8 . . 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 678521349231749568954386721487965132593214876126837954349172685865493217712658493 #1 Easy (168)
Naked Single: r6c9=4
Full House: r1c9=9
Naked Single: r1c7=3
Naked Single: r2c1=2
Naked Single: r6c1=1
Naked Single: r1c3=8
Naked Single: r6c8=5
Naked Single: r1c2=7
Naked Single: r5c3=3
Naked Single: r2c8=6
Naked Single: r1c6=1
Full House: r1c5=2
Naked Single: r2c2=3
Naked Single: r3c3=4
Full House: r6c3=6
Full House: r3c1=9
Full House: r4c1=4
Naked Single: r2c7=5
Full House: r3c8=2
Full House: r2c4=7
Naked Single: r9c8=9
Full House: r8c8=1
Naked Single: r8c6=3
Full House: r8c5=9
Naked Single: r6c5=3
Naked Single: r9c4=6
Naked Single: r7c7=6
Full House: r7c4=1
Full House: r9c5=5
Full House: r9c7=4
Naked Single: r3c6=6
Full House: r3c4=3
Naked Single: r6c6=7
Full House: r6c4=8
Full House: r4c6=5
Full House: r4c4=9
Naked Single: r5c5=1
Full House: r4c5=6
Naked Single: r4c2=8
Full House: r4c7=1
Full House: r5c7=8
Full House: r5c2=9
| Easy |
sudoku_normal_hard_33 | 8..34.6.14.7..1...163.7...99.8435.1.6.5.2.9.3.219.6..45.9.1.462...2..1.52.4653897 | 852349671497561328163872549978435216645127983321986754539718462786294135214653897 | sudoku_normal_hard_33 | 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 | 9 | 8 . . 3 4 . 6 . 1
4 . 7 . . 1 . . .
1 6 3 . 7 . . . 9
9 . 8 4 3 5 . 1 .
6 . 5 . 2 . 9 . 3
. 2 1 9 . 6 . . 4
5 . 9 . 1 . 4 6 2
. . . 2 . . 1 . 5
2 . 4 6 5 3 8 9 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 852349671497561328163872549978435216645127983321986754539718462786294135214653897 #1 Easy (140)
Full House: r8c8=3
Full House: r9c2=1
Naked Single: r4c2=7
Naked Single: r6c5=8
Naked Single: r1c3=2
Full House: r8c3=6
Naked Single: r2c9=8
Full House: r4c9=6
Full House: r4c7=2
Naked Single: r8c1=7
Full House: r6c1=3
Full House: r5c2=4
Naked Single: r8c2=8
Full House: r7c2=3
Naked Single: r5c6=7
Full House: r5c4=1
Full House: r5c8=8
Naked Single: r8c5=9
Full House: r2c5=6
Full House: r8c6=4
Naked Single: r1c6=9
Naked Single: r2c4=5
Naked Single: r3c7=5
Naked Single: r7c6=8
Full House: r3c6=2
Full House: r3c4=8
Full House: r7c4=7
Full House: r3c8=4
Naked Single: r1c2=5
Full House: r2c2=9
Full House: r1c8=7
Naked Single: r2c7=3
Full House: r2c8=2
Full House: r6c7=7
Full House: r6c8=5
| Easy |
sudoku_normal_hard_34 | 91.8235....8.6..2....4...8..4937561.3.5.1..47167284.9..9...8....5..4.8....27.9.61 | 916823574478561923523497186249375618385916247167284395694138752751642839832759461 | sudoku_normal_hard_34 | 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 | 9 | 9 1 . 8 2 3 5 . .
. . 8 . 6 . . 2 .
. . . 4 . . . 8 .
. 4 9 3 7 5 6 1 .
3 . 5 . 1 . . 4 7
1 6 7 2 8 4 . 9 .
. 9 . . . 8 . . .
. 5 . . 4 . 8 . .
. . 2 7 . 9 . 6 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 916823574478561923523497186249375618385916247167284395694138752751642839832759461 #1 Easy (164)
Naked Single: r6c7=3
Full House: r6c9=5
Naked Single: r5c7=2
Full House: r4c9=8
Full House: r4c1=2
Full House: r5c2=8
Naked Single: r5c6=6
Full House: r5c4=9
Naked Single: r1c8=7
Naked Single: r9c7=4
Naked Single: r9c2=3
Naked Single: r8c8=3
Full House: r7c8=5
Naked Single: r7c7=7
Naked Single: r9c1=8
Full House: r9c5=5
Naked Single: r2c2=7
Full House: r3c2=2
Naked Single: r7c9=2
Full House: r8c9=9
Naked Single: r7c5=3
Full House: r3c5=9
Naked Single: r2c6=1
Naked Single: r3c7=1
Full House: r2c7=9
Naked Single: r2c4=5
Full House: r3c6=7
Full House: r8c6=2
Naked Single: r2c1=4
Full House: r2c9=3
Naked Single: r1c3=6
Full House: r1c9=4
Full House: r3c9=6
Naked Single: r7c1=6
Naked Single: r3c1=5
Full House: r3c3=3
Full House: r8c1=7
Naked Single: r8c3=1
Full House: r7c3=4
Full House: r7c4=1
Full House: r8c4=6
| Easy |
sudoku_normal_hard_35 | ..4.6..599.3..76.28..9.....43.8..1.5697.14.2...8..3..6.....52.12.51..9...6..7.5.. | 174362859953487612826951743432896175697514328518723496789645231245138967361279584 | sudoku_normal_hard_35 | 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 | 9 | . . 4 . 6 . . 5 9
9 . 3 . . 7 6 . 2
8 . . 9 . . . . .
4 3 . 8 . . 1 . 5
6 9 7 . 1 4 . 2 .
. . 8 . . 3 . . 6
. . . . . 5 2 . 1
2 . 5 1 . . 9 . .
. 6 . . 7 . 5 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 174362859953487612826951743432896175697514328518723496789645231245138967361279584 #1 Easy (184)
Naked Single: r4c3=2
Naked Single: r5c4=5
Naked Single: r7c3=9
Naked Single: r4c5=9
Naked Single: r2c4=4
Naked Single: r9c3=1
Full House: r3c3=6
Naked Single: r4c6=6
Full House: r4c8=7
Naked Single: r6c5=2
Full House: r6c4=7
Naked Single: r9c1=3
Naked Single: r8c6=8
Naked Single: r6c7=4
Naked Single: r7c1=7
Naked Single: r9c4=2
Naked Single: r6c8=9
Naked Single: r1c1=1
Full House: r6c1=5
Full House: r6c2=1
Naked Single: r8c2=4
Full House: r7c2=8
Naked Single: r1c4=3
Full House: r7c4=6
Naked Single: r9c6=9
Naked Single: r1c6=2
Full House: r3c6=1
Naked Single: r2c2=5
Naked Single: r8c5=3
Full House: r7c5=4
Full House: r7c8=3
Naked Single: r3c5=5
Full House: r2c5=8
Full House: r2c8=1
Naked Single: r1c2=7
Full House: r1c7=8
Full House: r3c2=2
Naked Single: r8c8=6
Full House: r8c9=7
Naked Single: r3c8=4
Full House: r9c8=8
Full House: r9c9=4
Naked Single: r5c7=3
Full House: r3c7=7
Full House: r3c9=3
Full House: r5c9=8
| Easy |
sudoku_normal_hard_36 | ..12.36...34..6.8..5..8...33..1.2.5...9..87...2.9.4..17.382..4..9.3.71.8..8..5... | 871243695934516287652789413386172954149658732527934861763821549495367128218495376 | sudoku_normal_hard_36 | 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 | 9 | . . 1 2 . 3 6 . .
. 3 4 . . 6 . 8 .
. 5 . . 8 . . . 3
3 . . 1 . 2 . 5 .
. . 9 . . 8 7 . .
. 2 . 9 . 4 . . 1
7 . 3 8 2 . . 4 .
. 9 . 3 . 7 1 . 8
. . 8 . . 5 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 871243695934516287652789413386172954149658732527934861763821549495367128218495376 #1 Easy (278)
Hidden Single: r2c5=1
Naked Single: r3c6=9
Full House: r7c6=1
Naked Single: r7c2=6
Hidden Single: r3c8=1
Hidden Single: r9c5=9
Hidden Single: r1c8=9
Naked Single: r1c1=8
Naked Single: r1c2=7
Hidden Single: r2c1=9
Hidden Single: r9c8=7
Hidden Single: r4c2=8
Hidden Single: r6c7=8
Hidden Single: r2c9=7
Naked Single: r2c4=5
Full House: r2c7=2
Naked Single: r1c5=4
Full House: r1c9=5
Full House: r3c7=4
Full House: r3c4=7
Naked Single: r5c4=6
Full House: r9c4=4
Full House: r8c5=6
Naked Single: r9c7=3
Naked Single: r7c9=9
Full House: r7c7=5
Full House: r4c7=9
Naked Single: r4c5=7
Naked Single: r9c2=1
Full House: r5c2=4
Naked Single: r8c8=2
Full House: r9c9=6
Full House: r9c1=2
Naked Single: r4c3=6
Full House: r4c9=4
Full House: r5c9=2
Naked Single: r5c8=3
Full House: r6c8=6
Naked Single: r8c3=5
Full House: r8c1=4
Naked Single: r3c1=6
Full House: r3c3=2
Full House: r6c3=7
Naked Single: r6c1=5
Full House: r5c1=1
Full House: r5c5=5
Full House: r6c5=3
| Easy |
sudoku_normal_hard_37 | ..1.....9.4.2...6.8...3.4..182394657365.7.2944795..381..4.1...6.9...3.7.51....8.. | 621487539943251768857936412182394657365178294479562381734815926298643175516729843 | sudoku_normal_hard_37 | 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 | 9 | . . 1 . . . . . 9
. 4 . 2 . . . 6 .
8 . . . 3 . 4 . .
1 8 2 3 9 4 6 5 7
3 6 5 . 7 . 2 9 4
4 7 9 5 . . 3 8 1
. . 4 . 1 . . . 6
. 9 . . . 3 . 7 .
5 1 . . . . 8 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 621487539943251768857936412182394657365178294479562381734815926298643175516729843 #1 Easy (214)
Hidden Single: r2c1=9
Hidden Single: r8c7=1
Hidden Single: r9c8=4
Hidden Single: r3c8=1
Hidden Single: r2c9=8
Naked Single: r2c5=5
Naked Single: r2c7=7
Naked Single: r1c7=5
Full House: r7c7=9
Naked Single: r2c3=3
Full House: r2c6=1
Naked Single: r3c9=2
Full House: r1c8=3
Full House: r7c8=2
Naked Single: r1c2=2
Naked Single: r5c6=8
Full House: r5c4=1
Naked Single: r3c2=5
Full House: r7c2=3
Naked Single: r8c9=5
Full House: r9c9=3
Naked Single: r7c1=7
Naked Single: r1c1=6
Full House: r3c3=7
Full House: r8c1=2
Naked Single: r7c4=8
Full House: r7c6=5
Naked Single: r9c3=6
Full House: r8c3=8
Naked Single: r1c6=7
Naked Single: r9c5=2
Naked Single: r1c4=4
Full House: r1c5=8
Naked Single: r6c5=6
Full House: r6c6=2
Full House: r8c5=4
Full House: r8c4=6
Naked Single: r9c6=9
Full House: r3c6=6
Full House: r3c4=9
Full House: r9c4=7
| Easy |
sudoku_normal_hard_38 | 7..3148.916.7..3.44.3..5..19..2.6.376.75819..24...3..65..4..7..8....2.9.3.1.6.... | 752314869169728354483695271918246537637581942245973186526439718874152693391867425 | sudoku_normal_hard_38 | 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 | 9 | 7 . . 3 1 4 8 . 9
1 6 . 7 . . 3 . 4
4 . 3 . . 5 . . 1
9 . . 2 . 6 . 3 7
6 . 7 5 8 1 9 . .
2 4 . . . 3 . . 6
5 . . 4 . . 7 . .
8 . . . . 2 . 9 .
3 . 1 . 6 . . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 752314869169728354483695271918246537637581942245973186526439718874152693391867425 #1 Easy (168)
Naked Single: r4c5=4
Naked Single: r5c9=2
Naked Single: r5c2=3
Full House: r5c8=4
Naked Single: r6c4=9
Full House: r6c5=7
Naked Single: r8c2=7
Naked Single: r8c4=1
Naked Single: r9c4=8
Full House: r3c4=6
Naked Single: r7c6=9
Naked Single: r9c9=5
Naked Single: r3c7=2
Naked Single: r2c6=8
Full House: r9c6=7
Naked Single: r7c2=2
Naked Single: r7c5=3
Full House: r8c5=5
Naked Single: r8c9=3
Full House: r7c9=8
Naked Single: r9c8=2
Naked Single: r2c8=5
Naked Single: r3c5=9
Full House: r2c5=2
Full House: r2c3=9
Naked Single: r3c8=7
Full House: r1c8=6
Full House: r3c2=8
Naked Single: r9c7=4
Full House: r9c2=9
Naked Single: r1c2=5
Full House: r1c3=2
Full House: r4c2=1
Naked Single: r7c3=6
Full House: r7c8=1
Full House: r8c7=6
Full House: r8c3=4
Full House: r6c8=8
Naked Single: r4c7=5
Full House: r4c3=8
Full House: r6c3=5
Full House: r6c7=1
| Easy |
sudoku_normal_hard_39 | .83.9.6515..18.....71..5..88.........1283.765........91.85..436.....8512.56.4.9.7 | 283497651569183274471625398847956123912834765635712849128579436794368512356241987 | sudoku_normal_hard_39 | 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 | 9 | . 8 3 . 9 . 6 5 1
5 . . 1 8 . . . .
. 7 1 . . 5 . . 8
8 . . . . . . . .
. 1 2 8 3 . 7 6 5
. . . . . . . . 9
1 . 8 5 . . 4 3 6
. . . . . 8 5 1 2
. 5 6 . 4 . 9 . 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 283497651569183274471625398847956123912834765635712849128579436794368512356241987 #1 Easy (236)
Full House: r9c8=8
Hidden Single: r9c6=1
Hidden Single: r6c7=8
Hidden Single: r2c8=7
Hidden Single: r2c6=3
Naked Single: r2c7=2
Naked Single: r2c9=4
Full House: r4c9=3
Naked Single: r3c7=3
Full House: r3c8=9
Full House: r4c7=1
Naked Single: r2c3=9
Full House: r2c2=6
Hidden Single: r6c5=1
Hidden Single: r7c2=2
Naked Single: r7c5=7
Full House: r7c6=9
Naked Single: r9c1=3
Full House: r9c4=2
Naked Single: r8c5=6
Full House: r8c4=3
Naked Single: r5c6=4
Full House: r5c1=9
Naked Single: r3c5=2
Full House: r4c5=5
Naked Single: r4c2=4
Naked Single: r1c6=7
Naked Single: r3c1=4
Full House: r1c1=2
Full House: r1c4=4
Full House: r3c4=6
Naked Single: r4c3=7
Naked Single: r4c8=2
Full House: r6c8=4
Naked Single: r6c2=3
Full House: r8c2=9
Naked Single: r8c1=7
Full House: r6c1=6
Full House: r6c3=5
Full House: r8c3=4
Naked Single: r6c4=7
Full House: r4c4=9
Full House: r4c6=6
Full House: r6c6=2
| Easy |
sudoku_normal_hard_40 | 58..2...7..7.65.1.4...1.5.3.69.71.5.3...46.71.7.5..6..6...5...8.1.6..7.57...9..46 | 581923467237465819496718523869271354325846971174539682643157298912684735758392146 | sudoku_normal_hard_40 | 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 | 9 | 5 8 . . 2 . . . 7
. . 7 . 6 5 . 1 .
4 . . . 1 . 5 . 3
. 6 9 . 7 1 . 5 .
3 . . . 4 6 . 7 1
. 7 . 5 . . 6 . .
6 . . . 5 . . . 8
. 1 . 6 . . 7 . 5
7 . . . 9 . . 4 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 581923467237465819496718523869271354325846971174539682643157298912684735758392146 #1 Easy (280)
Hidden Single: r1c3=1
Hidden Single: r6c3=4
Hidden Single: r6c1=1
Hidden Single: r7c2=4
Hidden Single: r2c2=3
Hidden Single: r1c8=6
Hidden Single: r3c3=6
Hidden Single: r8c6=4
Hidden Single: r8c1=9
Naked Single: r2c1=2
Full House: r3c2=9
Full House: r4c1=8
Hidden Single: r3c8=2
Naked Single: r8c8=3
Naked Single: r7c8=9
Full House: r6c8=8
Naked Single: r8c5=8
Full House: r6c5=3
Full House: r8c3=2
Naked Single: r4c4=2
Naked Single: r5c3=5
Full House: r5c2=2
Full House: r9c2=5
Naked Single: r7c3=3
Full House: r9c3=8
Naked Single: r4c9=4
Full House: r4c7=3
Naked Single: r6c6=9
Full House: r5c4=8
Full House: r5c7=9
Full House: r6c9=2
Full House: r2c9=9
Naked Single: r1c6=3
Naked Single: r3c4=7
Full House: r3c6=8
Naked Single: r1c7=4
Full House: r1c4=9
Full House: r2c4=4
Full House: r2c7=8
Naked Single: r9c6=2
Full House: r7c6=7
Naked Single: r7c4=1
Full House: r7c7=2
Full House: r9c7=1
Full House: r9c4=3
| Easy |
sudoku_normal_hard_41 | 478621539...347...312958.7....1..8...9.....6...5..2....698743.1....9....7.45.3.2. | 478621539956347218312958674627139845193485762845762193269874351531296487784513926 | sudoku_normal_hard_41 | 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 | 9 | 4 7 8 6 2 1 5 3 9
. . . 3 4 7 . . .
3 1 2 9 5 8 . 7 .
. . . 1 . . 8 . .
. 9 . . . . . 6 .
. . 5 . . 2 . . .
. 6 9 8 7 4 3 . 1
. . . . 9 . . . .
7 . 4 5 . 3 . 2 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 478621539956347218312958674627139845193485762845762193269874351531296487784513926 #1 Easy (172)
Naked Single: r2c2=5
Naked Single: r2c3=6
Full House: r2c1=9
Naked Single: r8c4=2
Naked Single: r5c6=5
Naked Single: r8c6=6
Full House: r4c6=9
Full House: r9c5=1
Naked Single: r7c8=5
Full House: r7c1=2
Naked Single: r9c2=8
Naked Single: r4c8=4
Naked Single: r4c1=6
Naked Single: r8c2=3
Naked Single: r9c9=6
Full House: r9c7=9
Naked Single: r8c8=8
Naked Single: r4c5=3
Naked Single: r4c2=2
Full House: r6c2=4
Naked Single: r8c3=1
Full House: r8c1=5
Naked Single: r3c9=4
Full House: r3c7=6
Naked Single: r2c8=1
Full House: r6c8=9
Naked Single: r4c3=7
Full House: r4c9=5
Full House: r5c3=3
Naked Single: r5c5=8
Full House: r6c5=6
Naked Single: r6c4=7
Full House: r5c4=4
Naked Single: r8c9=7
Full House: r8c7=4
Naked Single: r2c7=2
Full House: r2c9=8
Naked Single: r5c1=1
Full House: r6c1=8
Naked Single: r6c7=1
Full House: r6c9=3
Full House: r5c9=2
Full House: r5c7=7
| Easy |
sudoku_normal_hard_42 | 587931624..1.2.....3...78.57....2.5..594.32...2.7....1..41..53....35.7..3.52.6..9 | 587931624641528397932647815716892453859413276423765981264179538198354762375286149 | sudoku_normal_hard_42 | 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 | 9 | 5 8 7 9 3 1 6 2 4
. . 1 . 2 . . . .
. 3 . . . 7 8 . 5
7 . . . . 2 . 5 .
. 5 9 4 . 3 2 . .
. 2 . 7 . . . . 1
. . 4 1 . . 5 3 .
. . . 3 5 . 7 . .
3 . 5 2 . 6 . . 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 587931624641528397932647815716892453859413276423765981264179538198354762375286149 #1 Easy (182)
Naked Single: r3c4=6
Naked Single: r3c3=2
Naked Single: r3c5=4
Naked Single: r4c4=8
Full House: r2c4=5
Full House: r2c6=8
Naked Single: r3c1=9
Full House: r3c8=1
Naked Single: r7c6=9
Naked Single: r6c6=5
Full House: r8c6=4
Hidden Single: r9c7=1
Naked Single: r9c2=7
Naked Single: r7c2=6
Naked Single: r9c5=8
Full House: r7c5=7
Full House: r9c8=4
Naked Single: r2c2=4
Full House: r2c1=6
Naked Single: r8c3=8
Naked Single: r4c2=1
Full House: r8c2=9
Naked Single: r7c1=2
Full House: r7c9=8
Full House: r8c1=1
Naked Single: r8c8=6
Full House: r8c9=2
Naked Single: r5c1=8
Full House: r6c1=4
Naked Single: r5c8=7
Naked Single: r2c8=9
Full House: r6c8=8
Naked Single: r5c9=6
Full House: r5c5=1
Naked Single: r2c7=3
Full House: r2c9=7
Full House: r4c9=3
Naked Single: r6c7=9
Full House: r4c7=4
Naked Single: r4c3=6
Full House: r4c5=9
Full House: r6c5=6
Full House: r6c3=3
| Easy |
sudoku_normal_hard_43 | 2..8.4..6.1.9.6.....8..5.2.4276.13..396.82.1.185..3..2.321.94.......826.6..2.7..9 | 273814956514926783968375124427651398396482517185793642832169475749538261651247839 | sudoku_normal_hard_43 | 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 | 9 | 2 . . 8 . 4 . . 6
. 1 . 9 . 6 . . .
. . 8 . . 5 . 2 .
4 2 7 6 . 1 3 . .
3 9 6 . 8 2 . 1 .
1 8 5 . . 3 . . 2
. 3 2 1 . 9 4 . .
. . . . . 8 2 6 .
6 . . 2 . 7 . . 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 273814956514926783968375124427651398396482517185793642832169475749538261651247839 #1 Easy (248)
Hidden Single: r2c5=2
Hidden Single: r6c7=6
Hidden Single: r3c2=6
Hidden Single: r7c5=6
Hidden Single: r7c1=8
Hidden Single: r3c9=4
Hidden Single: r2c3=4
Naked Single: r9c3=1
Naked Single: r8c3=9
Full House: r1c3=3
Hidden Single: r6c8=4
Naked Single: r6c4=7
Full House: r6c5=9
Naked Single: r3c4=3
Naked Single: r4c5=5
Full House: r5c4=4
Full House: r8c4=5
Naked Single: r4c9=8
Full House: r4c8=9
Naked Single: r8c1=7
Naked Single: r2c1=5
Full House: r3c1=9
Full House: r1c2=7
Naked Single: r8c2=4
Full House: r9c2=5
Naked Single: r1c5=1
Full House: r3c5=7
Full House: r3c7=1
Naked Single: r1c8=5
Full House: r1c7=9
Naked Single: r8c5=3
Full House: r8c9=1
Full House: r9c5=4
Naked Single: r9c7=8
Full House: r9c8=3
Naked Single: r7c8=7
Full House: r2c8=8
Full House: r7c9=5
Naked Single: r2c7=7
Full House: r2c9=3
Full House: r5c9=7
Full House: r5c7=5
| Easy |
sudoku_normal_hard_44 | .4.....95..7..64388....4.6..2.1..84.4.8.32.19..1849.5..942..581.8.4..92.5.2....74 | 246381795157926438839754162925167843478532619361849257694273581783415926512698374 | sudoku_normal_hard_44 | 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 | 9 | . 4 . . . . . 9 5
. . 7 . . 6 4 3 8
8 . . . . 4 . 6 .
. 2 . 1 . . 8 4 .
4 . 8 . 3 2 . 1 9
. . 1 8 4 9 . 5 .
. 9 4 2 . . 5 8 1
. 8 . 4 . . 9 2 .
5 . 2 . . . . 7 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 246381795157926438839754162925167843478532619361849257694273581783415926512698374 #1 Hard (584)
Locked Candidates Type 1 (Pointing): 7 in b7 => r46c1<>7
Naked Pair: 3,6 in r8c39 => r8c16<>3, r8c15<>6
Naked Pair: 3,6 in r18c3 => r34c3<>3, r4c3<>6
Swordfish: 6 c247 r569 => r6c19,r9c5<>6
Naked Single: r6c1=3
Hidden Single: r4c9=3
Naked Single: r8c9=6
Full House: r9c7=3
Naked Single: r8c3=3
Naked Single: r1c3=6
Hidden Single: r7c6=3
Hidden Single: r3c2=3
Hidden Single: r1c4=3
Locked Candidates Type 2 (Claiming): 7 in r4 => r5c4<>7
Hidden Single: r3c4=7
Naked Single: r3c9=2
Full House: r6c9=7
Naked Single: r3c7=1
Full House: r1c7=7
Naked Single: r5c7=6
Full House: r6c7=2
Full House: r6c2=6
Naked Single: r5c4=5
Full House: r5c2=7
Naked Single: r4c1=9
Full House: r4c3=5
Full House: r3c3=9
Full House: r3c5=5
Naked Single: r9c2=1
Full House: r2c2=5
Naked Single: r2c4=9
Full House: r9c4=6
Naked Single: r4c6=7
Full House: r4c5=6
Naked Single: r8c1=7
Full House: r7c1=6
Full House: r7c5=7
Naked Single: r9c6=8
Full House: r9c5=9
Naked Single: r8c5=1
Full House: r8c6=5
Full House: r1c6=1
Naked Single: r2c5=2
Full House: r1c5=8
Full House: r1c1=2
Full House: r2c1=1
| Hard |
sudoku_normal_hard_45 | .3..6.957.54.12.8....95.1..4..13..953.5...8...1..45.23..6..1..8.8.5..2..5...8..7. | 231468957954712386867953142428137695375629814619845723746291538183574269592386471 | sudoku_normal_hard_45 | 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 | 9 | . 3 . . 6 . 9 5 7
. 5 4 . 1 2 . 8 .
. . . 9 5 . 1 . .
4 . . 1 3 . . 9 5
3 . 5 . . . 8 . .
. 1 . . 4 5 . 2 3
. . 6 . . 1 . . 8
. 8 . 5 . . 2 . .
5 . . . 8 . . 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 231468957954712386867953142428137695375629814619845723746291538183574269592386471 #1 Easy (264)
Naked Single: r2c9=6
Naked Single: r2c7=3
Naked Single: r2c4=7
Full House: r2c1=9
Naked Single: r3c8=4
Full House: r3c9=2
Naked Single: r7c8=3
Hidden Single: r7c7=5
Hidden Single: r3c6=3
Hidden Single: r6c3=9
Hidden Single: r5c9=4
Hidden Single: r9c4=3
Hidden Single: r9c7=4
Hidden Single: r8c3=3
Hidden Single: r8c6=4
Naked Single: r1c6=8
Full House: r1c4=4
Naked Single: r7c4=2
Naked Single: r5c4=6
Full House: r6c4=8
Naked Single: r7c1=7
Naked Single: r4c6=7
Naked Single: r5c8=1
Full House: r8c8=6
Naked Single: r6c1=6
Full House: r6c7=7
Full House: r4c7=6
Naked Single: r7c5=9
Full House: r7c2=4
Naked Single: r8c1=1
Naked Single: r5c6=9
Full House: r5c5=2
Full House: r8c5=7
Full House: r9c6=6
Full House: r8c9=9
Full House: r5c2=7
Full House: r9c9=1
Naked Single: r3c1=8
Full House: r1c1=2
Full House: r1c3=1
Naked Single: r4c2=2
Full House: r4c3=8
Naked Single: r9c3=2
Full House: r3c3=7
Full House: r3c2=6
Full House: r9c2=9
| Easy |
sudoku_normal_hard_46 | ..76.9..28...4.16...6..5.3..9......6...738...1......4.921583674..492.3183..4.1925 | 437619852859342167216875439793154286642738591185296743921583674564927318378461925 | sudoku_normal_hard_46 | 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 | 9 | . . 7 6 . 9 . . 2
8 . . . 4 . 1 6 .
. . 6 . . 5 . 3 .
. 9 . . . . . . 6
. . . 7 3 8 . . .
1 . . . . . . 4 .
9 2 1 5 8 3 6 7 4
. . 4 9 2 . 3 1 8
3 . . 4 . 1 9 2 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 437619852859342167216875439793154286642738591185296743921583674564927318378461925 #1 Easy (168)
Naked Single: r1c5=1
Naked Single: r6c4=2
Naked Single: r9c3=8
Naked Single: r3c5=7
Naked Single: r4c5=5
Naked Single: r2c4=3
Naked Single: r3c4=8
Full House: r4c4=1
Full House: r2c6=2
Naked Single: r4c6=4
Naked Single: r6c6=6
Full House: r6c5=9
Full House: r9c5=6
Full House: r8c6=7
Full House: r9c2=7
Naked Single: r3c9=9
Naked Single: r4c8=8
Naked Single: r2c2=5
Naked Single: r3c7=4
Naked Single: r2c9=7
Full House: r2c3=9
Naked Single: r5c9=1
Full House: r6c9=3
Naked Single: r1c8=5
Full House: r1c7=8
Full House: r5c8=9
Naked Single: r1c1=4
Full House: r1c2=3
Naked Single: r8c2=6
Full House: r8c1=5
Naked Single: r3c1=2
Full House: r3c2=1
Naked Single: r6c2=8
Full House: r5c2=4
Naked Single: r6c3=5
Full House: r6c7=7
Naked Single: r4c1=7
Full House: r5c1=6
Naked Single: r5c3=2
Full House: r4c3=3
Full House: r4c7=2
Full House: r5c7=5
| Easy |
sudoku_normal_hard_47 | 4..37...1...8.142...64.97.3.4..836.26...15.74..72...98..25..83..3...8...8...3...5 | 489372561573861429216459783941783652628915374357246198162594837735128946894637215 | sudoku_normal_hard_47 | 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 | 9 | 4 . . 3 7 . . . 1
. . . 8 . 1 4 2 .
. . 6 4 . 9 7 . 3
. 4 . . 8 3 6 . 2
6 . . . 1 5 . 7 4
. . 7 2 . . . 9 8
. . 2 5 . . 8 3 .
. 3 . . . 8 . . .
8 . . . 3 . . . 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 489372561573861429216459783941783652628915374357246198162594837735128946894637215 #1 Easy (190)
Naked Single: r5c4=9
Naked Single: r5c7=3
Naked Single: r4c4=7
Naked Single: r5c3=8
Full House: r5c2=2
Hidden Single: r3c1=2
Naked Single: r3c5=5
Naked Single: r2c5=6
Full House: r1c6=2
Naked Single: r3c8=8
Full House: r3c2=1
Naked Single: r2c9=9
Naked Single: r6c5=4
Full House: r6c6=6
Naked Single: r6c2=5
Naked Single: r1c7=5
Full House: r1c8=6
Naked Single: r7c5=9
Full House: r8c5=2
Naked Single: r2c2=7
Naked Single: r6c7=1
Full House: r4c8=5
Full House: r6c1=3
Naked Single: r1c3=9
Full House: r1c2=8
Naked Single: r7c2=6
Full House: r9c2=9
Naked Single: r8c7=9
Full House: r9c7=2
Naked Single: r2c1=5
Full House: r2c3=3
Naked Single: r4c3=1
Full House: r4c1=9
Naked Single: r7c9=7
Full House: r8c9=6
Naked Single: r9c3=4
Full House: r8c3=5
Naked Single: r7c1=1
Full House: r7c6=4
Full House: r9c6=7
Full House: r8c1=7
Naked Single: r8c4=1
Full House: r8c8=4
Full House: r9c8=1
Full House: r9c4=6
| Easy |
sudoku_normal_hard_48 | 58......7..45783..937.1..8.375..9...24......5...3.574.41..5...67.32.61..8......7. | 581932467624578319937614582375849621248167935169325748412753896793286154856491273 | sudoku_normal_hard_48 | 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 | 9 | 5 8 . . . . . . 7
. . 4 5 7 8 3 . .
9 3 7 . 1 . . 8 .
3 7 5 . . 9 . . .
2 4 . . . . . . 5
. . . 3 . 5 7 4 .
4 1 . . 5 . . . 6
7 . 3 2 . 6 1 . .
8 . . . . . . 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 581932467624578319937614582375849621248167935169325748412753896793286154856491273 #1 Easy (224)
Hidden Single: r3c7=5
Hidden Single: r5c8=3
Hidden Single: r9c9=3
Hidden Single: r8c8=5
Naked Single: r8c2=9
Naked Single: r6c2=6
Naked Single: r7c3=2
Naked Single: r2c2=2
Full House: r9c2=5
Full House: r9c3=6
Naked Single: r6c1=1
Full House: r2c1=6
Full House: r1c3=1
Naked Single: r7c8=9
Naked Single: r2c8=1
Full House: r2c9=9
Naked Single: r7c7=8
Naked Single: r7c4=7
Full House: r7c6=3
Naked Single: r8c9=4
Full House: r8c5=8
Full House: r9c7=2
Naked Single: r3c9=2
Naked Single: r5c5=6
Naked Single: r6c5=2
Naked Single: r4c7=6
Naked Single: r1c8=6
Full House: r1c7=4
Full House: r5c7=9
Full House: r4c8=2
Naked Single: r3c6=4
Full House: r3c4=6
Naked Single: r6c9=8
Full House: r4c9=1
Full House: r6c3=9
Full House: r5c3=8
Naked Single: r4c5=4
Full House: r4c4=8
Naked Single: r1c4=9
Naked Single: r1c6=2
Full House: r1c5=3
Full House: r9c5=9
Naked Single: r9c6=1
Full House: r5c6=7
Full House: r5c4=1
Full House: r9c4=4
| Easy |
sudoku_normal_hard_49 | ...145693431269857..5.38.2..8.6..5..1...52..8..93.714..1..7.2.....8....53.6..4... | 872145693431269857695738421784691532163452978259387146518973264947826315326514789 | sudoku_normal_hard_49 | 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 | 9 | . . . 1 4 5 6 9 3
4 3 1 2 6 9 8 5 7
. . 5 . 3 8 . 2 .
. 8 . 6 . . 5 . .
1 . . . 5 2 . . 8
. . 9 3 . 7 1 4 .
. 1 . . 7 . 2 . .
. . . 8 . . . . 5
3 . 6 . . 4 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 872145693431269857695738421784691532163452978259387146518973264947826315326514789 #1 Easy (168)
Full House: r3c4=7
Naked Single: r3c7=4
Full House: r3c9=1
Naked Single: r6c5=8
Naked Single: r4c6=1
Naked Single: r9c9=9
Naked Single: r4c5=9
Full House: r5c4=4
Naked Single: r4c9=2
Naked Single: r9c4=5
Full House: r7c4=9
Naked Single: r9c7=7
Naked Single: r4c1=7
Naked Single: r6c9=6
Full House: r7c9=4
Naked Single: r8c7=3
Full House: r5c7=9
Naked Single: r9c2=2
Naked Single: r4c8=3
Full House: r4c3=4
Full House: r5c8=7
Naked Single: r5c2=6
Full House: r5c3=3
Naked Single: r7c3=8
Naked Single: r8c6=6
Full House: r7c6=3
Naked Single: r1c2=7
Naked Single: r6c2=5
Full House: r6c1=2
Naked Single: r8c1=9
Naked Single: r9c5=1
Full House: r8c5=2
Full House: r9c8=8
Naked Single: r8c3=7
Full House: r1c3=2
Full House: r1c1=8
Naked Single: r3c2=9
Full House: r3c1=6
Full House: r7c1=5
Full House: r7c8=6
Full House: r8c8=1
Full House: r8c2=4
| Easy |
sudoku_normal_hard_50 | 793.1.65..4653..9...8..9..358.9..1..9...5...8..1....456154..389.79..3.2..32.9...7 | 793218654146537892258649713587924136964351278321786945615472389479863521832195467 | sudoku_normal_hard_50 | 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 | 9 | 7 9 3 . 1 . 6 5 .
. 4 6 5 3 . . 9 .
. . 8 . . 9 . . 3
5 8 . 9 . . 1 . .
9 . . . 5 . . . 8
. . 1 . . . . 4 5
6 1 5 4 . . 3 8 9
. 7 9 . . 3 . 2 .
. 3 2 . 9 . . . 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 793218654146537892258649713587924136964351278321786945615472389479863521832195467 #1 Easy (268)
Hidden Single: r3c2=5
Hidden Single: r2c7=8
Hidden Single: r6c7=9
Hidden Single: r4c8=3
Hidden Single: r8c7=5
Naked Single: r9c7=4
Naked Single: r9c1=8
Full House: r8c1=4
Hidden Single: r9c6=5
Hidden Single: r6c1=3
Hidden Single: r2c6=7
Naked Single: r7c6=2
Full House: r7c5=7
Hidden Single: r5c4=3
Hidden Single: r3c5=4
Naked Single: r1c6=8
Naked Single: r1c4=2
Full House: r1c9=4
Full House: r3c4=6
Naked Single: r6c6=6
Naked Single: r9c4=1
Full House: r9c8=6
Full House: r8c9=1
Naked Single: r4c5=2
Naked Single: r4c6=4
Full House: r5c6=1
Naked Single: r6c2=2
Full House: r5c2=6
Naked Single: r8c4=8
Full House: r6c4=7
Full House: r6c5=8
Full House: r8c5=6
Naked Single: r5c8=7
Full House: r3c8=1
Naked Single: r2c9=2
Full House: r4c9=6
Full House: r4c3=7
Full House: r5c3=4
Full House: r5c7=2
Full House: r2c1=1
Full House: r3c1=2
Full House: r3c7=7
| Easy |
sudoku_normal_hard_51 | 1..2..7.384..7.6.19.....5.259.8...3...1.2.9...8...4..63.9..28.7.2.65.3196.87.3... | 165289743842375691973461582596817234431526978287934156359142867724658319618793425 | sudoku_normal_hard_51 | 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 | 9 | 1 . . 2 . . 7 . 3
8 4 . . 7 . 6 . 1
9 . . . . . 5 . 2
5 9 . 8 . . . 3 .
. . 1 . 2 . 9 . .
. 8 . . . 4 . . 6
3 . 9 . . 2 8 . 7
. 2 . 6 5 . 3 1 9
6 . 8 7 . 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 165289743842375691973461582596817234431526978287934156359142867724658319618793425 #1 Easy (176)
Naked Single: r2c8=9
Naked Single: r4c9=4
Naked Single: r8c6=8
Naked Single: r2c6=5
Naked Single: r9c9=5
Full House: r5c9=8
Naked Single: r2c4=3
Full House: r2c3=2
Naked Single: r9c2=1
Naked Single: r5c4=5
Naked Single: r7c2=5
Naked Single: r5c8=7
Naked Single: r1c2=6
Naked Single: r5c1=4
Naked Single: r5c6=6
Full House: r5c2=3
Full House: r3c2=7
Naked Single: r1c3=5
Full House: r3c3=3
Naked Single: r1c6=9
Naked Single: r8c1=7
Full House: r6c1=2
Full House: r8c3=4
Naked Single: r3c6=1
Full House: r4c6=7
Naked Single: r4c5=1
Naked Single: r6c3=7
Full House: r4c3=6
Full House: r4c7=2
Naked Single: r6c7=1
Full House: r6c8=5
Full House: r9c7=4
Naked Single: r3c4=4
Naked Single: r6c4=9
Full House: r7c4=1
Full House: r6c5=3
Naked Single: r7c5=4
Full House: r7c8=6
Full House: r9c5=9
Full House: r9c8=2
Naked Single: r1c5=8
Full House: r1c8=4
Full House: r3c8=8
Full House: r3c5=6
| Easy |
sudoku_normal_hard_52 | .41..8.2.5361..98..27.3..1..98....47..2.4.85.1.4....6..85.9.47...3..7.92..95...3. | 941658723536172984827439615698215347372946851154783269285391476413867592769524138 | sudoku_normal_hard_52 | 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 | 9 | . 4 1 . . 8 . 2 .
5 3 6 1 . . 9 8 .
. 2 7 . 3 . . 1 .
. 9 8 . . . . 4 7
. . 2 . 4 . 8 5 .
1 . 4 . . . . 6 .
. 8 5 . 9 . 4 7 .
. . 3 . . 7 . 9 2
. . 9 5 . . . 3 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 941658723536172984827439615698215347372946851154783269285391476413867592769524138 #1 Easy (176)
Naked Single: r1c1=9
Full House: r3c1=8
Naked Single: r2c9=4
Naked Single: r2c6=2
Full House: r2c5=7
Naked Single: r1c4=6
Naked Single: r1c5=5
Naked Single: r1c9=3
Full House: r1c7=7
Naked Single: r6c9=9
Naked Single: r5c9=1
Naked Single: r7c9=6
Naked Single: r3c9=5
Full House: r9c9=8
Full House: r3c7=6
Naked Single: r7c1=2
Naked Single: r9c7=1
Full House: r8c7=5
Naked Single: r7c4=3
Full House: r7c6=1
Naked Single: r4c4=2
Naked Single: r4c7=3
Full House: r6c7=2
Naked Single: r6c5=8
Naked Single: r4c1=6
Naked Single: r6c4=7
Naked Single: r8c5=6
Naked Single: r4c5=1
Full House: r4c6=5
Full House: r9c5=2
Naked Single: r5c2=7
Naked Single: r8c1=4
Naked Single: r5c4=9
Naked Single: r6c2=5
Full House: r6c6=3
Full House: r5c1=3
Full House: r9c1=7
Full House: r5c6=6
Naked Single: r8c2=1
Full House: r9c2=6
Full House: r9c6=4
Full House: r8c4=8
Full House: r3c4=4
Full House: r3c6=9
| Easy |
sudoku_normal_hard_53 | 5..19...6.6....9...97..4.2...3741.98.8.93..1.9.1..64...192..8....54.8.798....9..4 | 542193786368572941197684325623741598784935612951826437419257863235468179876319254 | sudoku_normal_hard_53 | 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 | 9 | 5 . . 1 9 . . . 6
. 6 . . . . 9 . .
. 9 7 . . 4 . 2 .
. . 3 7 4 1 . 9 8
. 8 . 9 3 . . 1 .
9 . 1 . . 6 4 . .
. 1 9 2 . . 8 . .
. . 5 4 . 8 . 7 9
8 . . . . 9 . . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 542193786368572941197684325623741598784935612951826437419257863235468179876319254 #1 Easy (310)
Hidden Single: r7c1=4
Hidden Single: r1c2=4
Hidden Single: r5c3=4
Hidden Single: r5c1=7
Hidden Single: r9c2=7
Hidden Single: r2c8=4
Hidden Single: r9c3=6
Hidden Single: r1c7=7
Hidden Single: r6c9=7
Hidden Single: r5c7=6
Hidden Single: r4c1=6
Hidden Single: r8c2=3
Full House: r8c1=2
Naked Single: r8c7=1
Full House: r8c5=6
Hidden Single: r1c8=8
Naked Single: r1c3=2
Full House: r1c6=3
Full House: r2c3=8
Naked Single: r2c4=5
Naked Single: r3c5=8
Naked Single: r6c4=8
Naked Single: r9c4=3
Full House: r3c4=6
Naked Single: r9c8=5
Naked Single: r6c8=3
Full House: r7c8=6
Naked Single: r7c9=3
Full House: r9c7=2
Full House: r9c5=1
Naked Single: r2c9=1
Naked Single: r4c7=5
Full House: r3c7=3
Full House: r3c9=5
Full House: r4c2=2
Full House: r5c9=2
Full House: r3c1=1
Full House: r2c1=3
Full House: r6c2=5
Full House: r5c6=5
Full House: r6c5=2
Naked Single: r7c6=7
Full House: r2c6=2
Full House: r2c5=7
Full House: r7c5=5
| Easy |
sudoku_normal_hard_54 | 275134698...78..4..8...6.713..8...27..7...9...9..71..41..5.7.8.75..12.....9.4.7.. | 275134698961785342483296571346859127817423956592671834134567289758912463629348715 | sudoku_normal_hard_54 | 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 | 9 | 2 7 5 1 3 4 6 9 8
. . . 7 8 . . 4 .
. 8 . . . 6 . 7 1
3 . . 8 . . . 2 7
. . 7 . . . 9 . .
. 9 . . 7 1 . . 4
1 . . 5 . 7 . 8 .
7 5 . . 1 2 . . .
. . 9 . 4 . 7 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 275134698961785342483296571346859127817423956592671834134567289758912463629348715 #1 Easy (186)
Hidden Single: r5c1=8
Naked Single: r9c1=6
Naked Single: r2c1=9
Naked Single: r6c1=5
Full House: r3c1=4
Naked Single: r9c4=3
Naked Single: r2c6=5
Naked Single: r3c3=3
Naked Single: r9c2=2
Naked Single: r9c6=8
Naked Single: r4c6=9
Full House: r5c6=3
Naked Single: r7c3=4
Naked Single: r9c9=5
Full House: r9c8=1
Naked Single: r7c2=3
Full House: r8c3=8
Naked Single: r5c9=6
Naked Single: r7c7=2
Naked Single: r5c8=5
Naked Single: r6c8=3
Full House: r8c8=6
Naked Single: r2c7=3
Naked Single: r3c7=5
Full House: r2c9=2
Naked Single: r7c9=9
Full House: r7c5=6
Full House: r8c4=9
Full House: r8c9=3
Full House: r8c7=4
Naked Single: r4c7=1
Full House: r6c7=8
Naked Single: r5c5=2
Naked Single: r4c5=5
Full House: r3c5=9
Full House: r3c4=2
Naked Single: r4c3=6
Full House: r4c2=4
Naked Single: r5c4=4
Full House: r6c4=6
Full House: r6c3=2
Full House: r2c3=1
Full House: r5c2=1
Full House: r2c2=6
| Easy |
sudoku_normal_hard_55 | 386421975...5..8.44.5....31158..2.47..9.4.1..6..8...9..1...47.6..2..7...8..25.41. | 386421975721539864495678231158392647239746158674815392513984726942167583867253419 | sudoku_normal_hard_55 | 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 | 9 | 3 8 6 4 2 1 9 7 5
. . . 5 . . 8 . 4
4 . 5 . . . . 3 1
1 5 8 . . 2 . 4 7
. . 9 . 4 . 1 . .
6 . . 8 . . . 9 .
. 1 . . . 4 7 . 6
. . 2 . . 7 . . .
8 . . 2 5 . 4 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 386421975721539864495678231158392647239746158674815392513984726942167583867253419 #1 Easy (168)
Naked Single: r7c3=3
Naked Single: r7c4=9
Naked Single: r9c3=7
Naked Single: r7c1=5
Naked Single: r7c5=8
Full House: r7c8=2
Naked Single: r2c3=1
Full House: r6c3=4
Naked Single: r8c1=9
Naked Single: r2c8=6
Full House: r3c7=2
Naked Single: r9c2=6
Full House: r8c2=4
Naked Single: r9c6=3
Full House: r9c9=9
Naked Single: r2c6=9
Naked Single: r6c6=5
Naked Single: r5c6=6
Full House: r3c6=8
Naked Single: r6c7=3
Naked Single: r4c4=3
Naked Single: r4c7=6
Full House: r8c7=5
Full House: r4c5=9
Naked Single: r6c9=2
Naked Single: r5c4=7
Full House: r6c5=1
Full House: r6c2=7
Naked Single: r8c8=8
Full House: r5c8=5
Full House: r5c9=8
Full House: r8c9=3
Naked Single: r3c4=6
Full House: r8c4=1
Full House: r8c5=6
Naked Single: r5c1=2
Full House: r2c1=7
Full House: r5c2=3
Naked Single: r2c2=2
Full House: r3c2=9
Full House: r3c5=7
Full House: r2c5=3
| Easy |
sudoku_normal_hard_56 | .7.8.49.543..9..1..9...74..964...3...17.6.2.9.25.481.6.524.9....83.7..9.74.1.3... | 271834965436592817598617423964721358817365249325948176652489731183276594749153682 | sudoku_normal_hard_56 | 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 | 9 | . 7 . 8 . 4 9 . 5
4 3 . . 9 . . 1 .
. 9 . . . 7 4 . .
9 6 4 . . . 3 . .
. 1 7 . 6 . 2 . 9
. 2 5 . 4 8 1 . 6
. 5 2 4 . 9 . . .
. 8 3 . 7 . . 9 .
7 4 . 1 . 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 271834965436592817598617423964721358817365249325948176652489731183276594749153682 #1 Easy (168)
Naked Single: r6c1=3
Full House: r5c1=8
Naked Single: r6c8=7
Full House: r6c4=9
Naked Single: r5c6=5
Naked Single: r7c5=8
Naked Single: r4c9=8
Naked Single: r5c4=3
Full House: r5c8=4
Full House: r4c8=5
Naked Single: r9c9=2
Naked Single: r2c9=7
Naked Single: r3c9=3
Naked Single: r9c5=5
Naked Single: r7c9=1
Full House: r8c9=4
Naked Single: r7c1=6
Naked Single: r7c7=7
Full House: r7c8=3
Naked Single: r8c1=1
Full House: r9c3=9
Naked Single: r1c1=2
Full House: r3c1=5
Naked Single: r1c8=6
Naked Single: r1c3=1
Full House: r1c5=3
Naked Single: r2c7=8
Full House: r3c8=2
Full House: r9c8=8
Full House: r9c7=6
Full House: r8c7=5
Naked Single: r2c3=6
Full House: r3c3=8
Naked Single: r3c4=6
Full House: r3c5=1
Full House: r4c5=2
Naked Single: r2c6=2
Full House: r2c4=5
Naked Single: r8c4=2
Full House: r4c4=7
Full House: r4c6=1
Full House: r8c6=6
| Easy |
sudoku_normal_hard_57 | 7.32.6....461.93.71.9.4.6.597.6....8..5.7.96.36...175..32.1.5.66..4...3.....63... | 783256149546189327129347685974635218215874963368921754432718596657492831891563472 | sudoku_normal_hard_57 | 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 | 9 | 7 . 3 2 . 6 . . .
. 4 6 1 . 9 3 . 7
1 . 9 . 4 . 6 . 5
9 7 . 6 . . . . 8
. . 5 . 7 . 9 6 .
3 6 . . . 1 7 5 .
. 3 2 . 1 . 5 . 6
6 . . 4 . . . 3 .
. . . . 6 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 783256149546189327129347685974635218215874963368921754432718596657492831891563472 #1 Easy (192)
Hidden Single: r9c4=5
Hidden Single: r5c9=3
Naked Single: r5c4=8
Naked Single: r6c4=9
Naked Single: r6c5=2
Naked Single: r7c4=7
Full House: r3c4=3
Naked Single: r5c6=4
Naked Single: r6c9=4
Full House: r6c3=8
Naked Single: r7c6=8
Naked Single: r4c6=5
Full House: r4c5=3
Naked Single: r5c1=2
Full House: r5c2=1
Full House: r4c3=4
Naked Single: r3c6=7
Full House: r8c6=2
Full House: r8c5=9
Naked Single: r7c1=4
Full House: r7c8=9
Naked Single: r8c9=1
Naked Single: r9c1=8
Full House: r2c1=5
Naked Single: r1c9=9
Full House: r9c9=2
Naked Single: r8c3=7
Full House: r9c3=1
Naked Single: r8c7=8
Full House: r8c2=5
Full House: r9c2=9
Naked Single: r1c2=8
Full House: r3c2=2
Full House: r3c8=8
Naked Single: r2c5=8
Full House: r1c5=5
Full House: r2c8=2
Naked Single: r9c7=4
Full House: r9c8=7
Naked Single: r4c8=1
Full House: r1c8=4
Full House: r1c7=1
Full House: r4c7=2
| Easy |
sudoku_normal_hard_58 | ..4..6.2..93..28656...3.74.2..7...9...8.1.67..376.4..8..1.679.43..9.1.87.79...1.6 | 754896321193472865682135749216758493548319672937624518821567934365941287479283156 | sudoku_normal_hard_58 | 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 | 9 | . . 4 . . 6 . 2 .
. 9 3 . . 2 8 6 5
6 . . . 3 . 7 4 .
2 . . 7 . . . 9 .
. . 8 . 1 . 6 7 .
. 3 7 6 . 4 . . 8
. . 1 . 6 7 9 . 4
3 . . 9 . 1 . 8 7
. 7 9 . . . 1 . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 754896321193472865682135749216758493548319672937624518821567934365941287479283156 #1 Easy (258)
Naked Single: r1c7=3
Hidden Single: r4c7=4
Hidden Single: r6c8=1
Naked Single: r4c9=3
Naked Single: r5c9=2
Full House: r6c7=5
Full House: r8c7=2
Naked Single: r6c1=9
Full House: r6c5=2
Hidden Single: r4c2=1
Hidden Single: r3c3=2
Hidden Single: r7c2=2
Hidden Single: r5c6=9
Hidden Single: r1c5=9
Naked Single: r1c9=1
Full House: r3c9=9
Hidden Single: r9c4=2
Hidden Single: r4c3=6
Full House: r8c3=5
Naked Single: r7c1=8
Naked Single: r8c5=4
Full House: r8c2=6
Full House: r9c1=4
Naked Single: r2c5=7
Naked Single: r5c1=5
Full House: r5c2=4
Full House: r5c4=3
Naked Single: r2c1=1
Full House: r1c1=7
Full House: r2c4=4
Naked Single: r7c4=5
Full House: r7c8=3
Full House: r9c8=5
Naked Single: r1c4=8
Full House: r1c2=5
Full House: r3c4=1
Full House: r3c6=5
Full House: r3c2=8
Naked Single: r9c5=8
Full House: r4c5=5
Full House: r4c6=8
Full House: r9c6=3
| Easy |
sudoku_normal_hard_59 | 345..8..16291..3..781.3..9...46....9.3.....1.9....72..4137629858.2..31745..4..6.. | 345298761629174358781536492174625839236849517958317246413762985862953174597481623 | sudoku_normal_hard_59 | 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 | 9 | 3 4 5 . . 8 . . 1
6 2 9 1 . . 3 . .
7 8 1 . 3 . . 9 .
. . 4 6 . . . . 9
. 3 . . . . . 1 .
9 . . . . 7 2 . .
4 1 3 7 6 2 9 8 5
8 . 2 . . 3 1 7 4
5 . . 4 . . 6 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 345298761629174358781536492174625839236849517958317246413762985862953174597481623 #1 Easy (160)
Naked Single: r5c1=2
Full House: r4c1=1
Naked Single: r1c7=7
Naked Single: r9c3=7
Naked Single: r4c6=5
Naked Single: r2c9=8
Naked Single: r9c2=9
Full House: r8c2=6
Naked Single: r2c6=4
Naked Single: r4c2=7
Full House: r6c2=5
Naked Single: r4c7=8
Naked Single: r4c8=3
Full House: r4c5=2
Naked Single: r9c6=1
Naked Single: r2c8=5
Full House: r2c5=7
Naked Single: r3c6=6
Full House: r5c6=9
Naked Single: r6c9=6
Naked Single: r9c8=2
Full House: r9c9=3
Full House: r9c5=8
Naked Single: r1c5=9
Naked Single: r3c7=4
Full House: r5c7=5
Naked Single: r3c9=2
Full House: r5c9=7
Full House: r6c8=4
Full House: r1c8=6
Full House: r1c4=2
Full House: r3c4=5
Naked Single: r5c4=8
Naked Single: r6c3=8
Full House: r5c3=6
Full House: r5c5=4
Naked Single: r8c5=5
Full House: r6c5=1
Full House: r8c4=9
Full House: r6c4=3
| Easy |
sudoku_normal_hard_60 | 97.6..3.2..8..36.731..7.4..1.7....3.53.8.17.9.8.3.71....3.6..7.7..9..5.38..7.29.6 | 975684312428153697316279485147596238532841769689327154293465871764918523851732946 | sudoku_normal_hard_60 | 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 | 9 | 9 7 . 6 . . 3 . 2
. . 8 . . 3 6 . 7
3 1 . . 7 . 4 . .
1 . 7 . . . . 3 .
5 3 . 8 . 1 7 . 9
. 8 . 3 . 7 1 . .
. . 3 . 6 . . 7 .
7 . . 9 . . 5 . 3
8 . . 7 . 2 9 . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 975684312428153697316279485147596238532841769689327154293465871764918523851732946 #1 Easy (352)
Hidden Single: r3c3=6
Hidden Single: r4c6=6
Hidden Single: r9c5=3
Hidden Single: r6c1=6
Hidden Single: r7c2=9
Hidden Single: r6c3=9
Hidden Single: r7c9=1
Naked Single: r9c8=4
Naked Single: r9c2=5
Full House: r9c3=1
Hidden Single: r5c8=6
Hidden Single: r8c2=6
Hidden Single: r3c4=2
Hidden Single: r3c6=9
Hidden Single: r4c5=9
Hidden Single: r2c4=1
Hidden Single: r8c5=1
Hidden Single: r1c3=5
Hidden Single: r2c8=9
Hidden Single: r1c8=1
Hidden Single: r1c5=8
Full House: r1c6=4
Full House: r2c5=5
Naked Single: r8c6=8
Full House: r7c6=5
Full House: r7c4=4
Full House: r4c4=5
Naked Single: r8c8=2
Full House: r7c7=8
Full House: r7c1=2
Full House: r8c3=4
Full House: r4c7=2
Full House: r2c1=4
Full House: r5c3=2
Full House: r4c2=4
Full House: r2c2=2
Full House: r5c5=4
Full House: r4c9=8
Full House: r6c5=2
Naked Single: r6c8=5
Full House: r3c8=8
Full House: r3c9=5
Full House: r6c9=4
| Easy |
sudoku_normal_hard_61 | ....1..929..7..3....19.8.47.598..27.7...9...5..2.7698..453..7..2.6..1..98.3.67... | 387614592964725318521938647659843271738192465412576983145389726276451839893267154 | sudoku_normal_hard_61 | 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 | 9 | . . . . 1 . . 9 2
9 . . 7 . . 3 . .
. . 1 9 . 8 . 4 7
. 5 9 8 . . 2 7 .
7 . . . 9 . . . 5
. . 2 . 7 6 9 8 .
. 4 5 3 . . 7 . .
2 . 6 . . 1 . . 9
8 . 3 . 6 7 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 387614592964725318521938647659843271738192465412576983145389726276451839893267154 #1 Easy (190)
Naked Single: r7c1=1
Naked Single: r8c2=7
Full House: r9c2=9
Hidden Single: r6c4=5
Naked Single: r8c4=4
Naked Single: r1c4=6
Naked Single: r9c4=2
Full House: r5c4=1
Naked Single: r7c5=8
Naked Single: r7c6=9
Full House: r8c5=5
Naked Single: r7c9=6
Full House: r7c8=2
Naked Single: r8c7=8
Full House: r8c8=3
Naked Single: r1c7=5
Naked Single: r5c8=6
Naked Single: r3c7=6
Naked Single: r2c8=1
Full House: r2c9=8
Full House: r9c8=5
Naked Single: r5c7=4
Full House: r9c7=1
Full House: r9c9=4
Naked Single: r2c3=4
Naked Single: r5c3=8
Full House: r1c3=7
Naked Single: r1c1=3
Naked Single: r2c5=2
Naked Single: r5c2=3
Full House: r5c6=2
Naked Single: r1c2=8
Full House: r1c6=4
Naked Single: r3c1=5
Naked Single: r3c2=2
Full House: r2c2=6
Full House: r2c6=5
Full House: r3c5=3
Full House: r6c2=1
Full House: r4c6=3
Full House: r4c5=4
Naked Single: r6c1=4
Full House: r6c9=3
Full House: r4c9=1
Full House: r4c1=6
| Easy |
sudoku_normal_hard_62 | 819247.63763..5..15423.67..9.1....8.4...6....63....2.5.96..4.7.2.41..9...8...9..4 | 819247563763985421542316798921453687475862319638791245196534872254178936387629154 | sudoku_normal_hard_62 | 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 | 9 | 8 1 9 2 4 7 . 6 3
7 6 3 . . 5 . . 1
5 4 2 3 . 6 7 . .
9 . 1 . . . . 8 .
4 . . . 6 . . . .
6 3 . . . . 2 . 5
. 9 6 . . 4 . 7 .
2 . 4 1 . . 9 . .
. 8 . . . 9 . . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 819247563763985421542316798921453687475862319638791245196534872254178936387629154 #1 Easy (188)
Full House: r1c7=5
Naked Single: r3c8=9
Naked Single: r3c9=8
Full House: r3c5=1
Naked Single: r2c7=4
Full House: r2c8=2
Naked Single: r7c9=2
Naked Single: r8c9=6
Naked Single: r4c9=7
Full House: r5c9=9
Hidden Single: r9c4=6
Hidden Single: r7c7=8
Naked Single: r7c4=5
Naked Single: r4c4=4
Naked Single: r7c5=3
Full House: r7c1=1
Full House: r9c1=3
Naked Single: r8c6=8
Naked Single: r9c7=1
Naked Single: r6c6=1
Naked Single: r8c5=7
Full House: r9c5=2
Naked Single: r5c7=3
Full House: r4c7=6
Naked Single: r9c8=5
Full House: r8c8=3
Full House: r8c2=5
Full House: r9c3=7
Naked Single: r6c8=4
Full House: r5c8=1
Naked Single: r4c5=5
Naked Single: r5c6=2
Full House: r4c6=3
Full House: r4c2=2
Full House: r5c2=7
Naked Single: r6c3=8
Full House: r5c3=5
Full House: r5c4=8
Naked Single: r6c5=9
Full House: r2c5=8
Full House: r2c4=9
Full House: r6c4=7
| Easy |
sudoku_normal_hard_63 | ...7....4231945678745.86...4..6..1...8...4.2...2..9..6.24.1.7...5.49..619....3... | 869721534231945678745386912493652187586174329172839456624518793358497261917263845 | sudoku_normal_hard_63 | 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 | 9 | . . . 7 . . . . 4
2 3 1 9 4 5 6 7 8
7 4 5 . 8 6 . . .
4 . . 6 . . 1 . .
. 8 . . . 4 . 2 .
. . 2 . . 9 . . 6
. 2 4 . 1 . 7 . .
. 5 . 4 9 . . 6 1
9 . . . . 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 869721534231945678745386912493652187586174329172839456624518793358497261917263845 #1 Easy (190)
Naked Single: r7c6=8
Naked Single: r7c4=5
Naked Single: r9c4=2
Naked Single: r8c6=7
Full House: r9c5=6
Naked Single: r9c9=5
Naked Single: r4c6=2
Full House: r1c6=1
Naked Single: r3c4=3
Full House: r1c5=2
Naked Single: r5c4=1
Full House: r6c4=8
Hidden Single: r7c1=6
Naked Single: r1c1=8
Naked Single: r8c1=3
Naked Single: r5c1=5
Full House: r6c1=1
Naked Single: r8c3=8
Full House: r8c7=2
Naked Single: r6c2=7
Naked Single: r9c3=7
Full House: r9c2=1
Naked Single: r3c7=9
Naked Single: r4c2=9
Full House: r1c2=6
Full House: r1c3=9
Naked Single: r3c8=1
Full House: r3c9=2
Naked Single: r5c7=3
Naked Single: r4c3=3
Full House: r5c3=6
Naked Single: r1c7=5
Full House: r1c8=3
Naked Single: r4c9=7
Naked Single: r5c5=7
Full House: r5c9=9
Full House: r7c9=3
Full House: r7c8=9
Naked Single: r6c7=4
Full House: r9c7=8
Full House: r9c8=4
Naked Single: r4c5=5
Full House: r4c8=8
Full House: r6c8=5
Full House: r6c5=3
| Easy |
sudoku_normal_hard_64 | ...5....3135.9468...2...59.671352849..8...1...938.1..5.5....2....79....83....79.. | 769528413135794682842136597671352849528479136493861725954683271217945368386217954 | sudoku_normal_hard_64 | 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 | 9 | . . . 5 . . . . 3
1 3 5 . 9 4 6 8 .
. . 2 . . . 5 9 .
6 7 1 3 5 2 8 4 9
. . 8 . . . 1 . .
. 9 3 8 . 1 . . 5
. 5 . . . . 2 . .
. . 7 9 . . . . 8
3 . . . . 7 9 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 769528413135794682842136597671352849528479136493861725954683271217945368386217954 #1 Medium (340)
Naked Single: r6c7=7
Naked Single: r1c7=4
Full House: r8c7=3
Hidden Single: r5c8=3
Hidden Single: r5c1=5
Hidden Single: r5c6=9
Hidden Single: r9c8=5
Hidden Single: r8c6=5
Locked Candidates Type 2 (Claiming): 4 in c3 => r78c1,r89c2<>4
Naked Single: r8c1=2
Naked Single: r6c1=4
Full House: r5c2=2
Naked Single: r6c5=6
Full House: r6c8=2
Full House: r5c9=6
Hidden Single: r8c5=4
Naked Single: r5c5=7
Full House: r5c4=4
Hidden Single: r3c2=4
Hidden Single: r2c9=2
Full House: r2c4=7
Hidden Single: r1c5=2
Hidden Single: r9c4=2
Hidden Single: r1c8=1
Full House: r3c9=7
Naked Single: r8c8=6
Full House: r7c8=7
Full House: r8c2=1
Naked Single: r3c1=8
Naked Single: r1c2=6
Full House: r9c2=8
Naked Single: r7c1=9
Full House: r1c1=7
Full House: r1c3=9
Full House: r1c6=8
Naked Single: r9c5=1
Naked Single: r3c5=3
Full House: r7c5=8
Naked Single: r7c4=6
Full House: r3c4=1
Full House: r3c6=6
Full House: r7c6=3
Naked Single: r9c9=4
Full House: r7c9=1
Full House: r7c3=4
Full House: r9c3=6
| Medium |
sudoku_normal_hard_65 | 63459782185...4973..1...564...7...5.26..3..19.4...1.....6...1..4753..29..8..5...6 | 634597821852164973791283564318749652267835419549621387926478135475316298183952746 | sudoku_normal_hard_65 | 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 | 9 | 6 3 4 5 9 7 8 2 1
8 5 . . . 4 9 7 3
. . 1 . . . 5 6 4
. . . 7 . . . 5 .
2 6 . . 3 . . 1 9
. 4 . . . 1 . . .
. . 6 . . . 1 . .
4 7 5 3 . . 2 9 .
. 8 . . 5 . . . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 634597821852164973791283564318749652267835419549621387926478135475316298183952746 #1 Easy (168)
Naked Single: r2c3=2
Naked Single: r8c9=8
Naked Single: r3c2=9
Full House: r3c1=7
Naked Single: r4c9=2
Naked Single: r8c6=6
Full House: r8c5=1
Naked Single: r4c2=1
Full House: r7c2=2
Naked Single: r6c9=7
Full House: r7c9=5
Naked Single: r2c5=6
Full House: r2c4=1
Naked Single: r5c7=4
Naked Single: r5c4=8
Naked Single: r3c4=2
Naked Single: r4c5=4
Naked Single: r4c6=9
Naked Single: r5c3=7
Full House: r5c6=5
Naked Single: r6c5=2
Full House: r6c4=6
Naked Single: r3c5=8
Full House: r3c6=3
Full House: r7c5=7
Naked Single: r4c1=3
Naked Single: r7c6=8
Full House: r9c6=2
Naked Single: r6c7=3
Naked Single: r4c3=8
Full House: r4c7=6
Full House: r6c8=8
Full House: r9c7=7
Naked Single: r7c1=9
Naked Single: r6c3=9
Full House: r6c1=5
Full House: r9c1=1
Full House: r9c3=3
Naked Single: r7c4=4
Full House: r7c8=3
Full House: r9c8=4
Full House: r9c4=9
| Easy |
sudoku_normal_hard_66 | 9.4.8...551.9..8..278....6974.1..9..63......4895..7.3112......84.7..2.1.38..6.5.. | 964783125513926847278514369742138956631259784895647231126375498457892613389461572 | sudoku_normal_hard_66 | 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 | 9 | 9 . 4 . 8 . . . 5
5 1 . 9 . . 8 . .
2 7 8 . . . . 6 9
7 4 . 1 . . 9 . .
6 3 . . . . . . 4
8 9 5 . . 7 . 3 1
1 2 . . . . . . 8
4 . 7 . . 2 . 1 .
3 8 . . 6 . 5 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 964783125513926847278514369742138956631259784895647231126375498457892613389461572 #1 Easy (186)
Naked Single: r1c2=6
Full House: r2c3=3
Full House: r8c2=5
Naked Single: r4c3=2
Full House: r5c3=1
Naked Single: r9c3=9
Full House: r7c3=6
Naked Single: r4c9=6
Naked Single: r6c7=2
Naked Single: r8c9=3
Naked Single: r5c7=7
Naked Single: r6c5=4
Full House: r6c4=6
Naked Single: r8c4=8
Naked Single: r8c5=9
Full House: r8c7=6
Naked Single: r7c7=4
Hidden Single: r9c6=1
Naked Single: r1c6=3
Naked Single: r1c7=1
Full House: r3c7=3
Naked Single: r7c6=5
Naked Single: r3c6=4
Naked Single: r4c6=8
Naked Single: r2c6=6
Full House: r5c6=9
Naked Single: r3c4=5
Full House: r3c5=1
Naked Single: r4c8=5
Full House: r4c5=3
Full House: r5c8=8
Naked Single: r5c4=2
Full House: r5c5=5
Naked Single: r7c5=7
Full House: r2c5=2
Full House: r1c4=7
Full House: r1c8=2
Naked Single: r7c4=3
Full House: r7c8=9
Full House: r9c4=4
Naked Single: r2c9=7
Full House: r2c8=4
Full House: r9c8=7
Full House: r9c9=2
| Easy |
sudoku_normal_hard_67 | 8.6951.73.5...49264..76285.973218..5.81.4.2..6.23.518...418...23..5...1.21...63.. | 826951473157834926439762851973218645581647239642395187794183562368529714215476398 | sudoku_normal_hard_67 | 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 | 9 | 8 . 6 9 5 1 . 7 3
. 5 . . . 4 9 2 6
4 . . 7 6 2 8 5 .
9 7 3 2 1 8 . . 5
. 8 1 . 4 . 2 . .
6 . 2 3 . 5 1 8 .
. . 4 1 8 . . . 2
3 . . 5 . . . 1 .
2 1 . . . 6 3 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 826951473157834926439762851973218645581647239642395187794183562368529714215476398 #1 Easy (140)
Naked Single: r1c7=4
Full House: r1c2=2
Full House: r3c9=1
Naked Single: r2c3=7
Naked Single: r3c3=9
Full House: r3c2=3
Full House: r2c1=1
Naked Single: r5c1=5
Full House: r6c2=4
Full House: r7c1=7
Naked Single: r2c4=8
Full House: r2c5=3
Naked Single: r5c4=6
Full House: r9c4=4
Naked Single: r4c7=6
Full House: r4c8=4
Naked Single: r8c3=8
Full House: r9c3=5
Naked Single: r9c8=9
Naked Single: r7c7=5
Full House: r8c7=7
Naked Single: r5c8=3
Full House: r7c8=6
Naked Single: r9c5=7
Full House: r9c9=8
Full House: r8c9=4
Naked Single: r8c6=9
Naked Single: r7c2=9
Full House: r7c6=3
Full House: r5c6=7
Full House: r6c5=9
Full House: r8c2=6
Full House: r8c5=2
Full House: r5c9=9
Full House: r6c9=7
| Easy |
sudoku_normal_hard_68 | .2..9.67...45.1..97..2...5.2..8..1......32.....3.15..4.5..263171.235.846..618..9. | 825493671634571289719268453267849135541732968983615724458926317192357846376184592 | sudoku_normal_hard_68 | 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 | 9 | . 2 . . 9 . 6 7 .
. . 4 5 . 1 . . 9
7 . . 2 . . . 5 .
2 . . 8 . . 1 . .
. . . . 3 2 . . .
. . 3 . 1 5 . . 4
. 5 . . 2 6 3 1 7
1 . 2 3 5 . 8 4 6
. . 6 1 8 . . 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 825493671634571289719268453267849135541732968983615724458926317192357846376184592 #1 Easy (176)
Naked Single: r1c4=4
Naked Single: r2c7=2
Naked Single: r3c7=4
Naked Single: r3c5=6
Naked Single: r7c4=9
Naked Single: r9c7=5
Full House: r9c9=2
Naked Single: r2c5=7
Full House: r4c5=4
Naked Single: r7c3=8
Full House: r7c1=4
Naked Single: r8c6=7
Full House: r8c2=9
Full House: r9c6=4
Naked Single: r9c1=3
Full House: r9c2=7
Naked Single: r4c6=9
Naked Single: r4c2=6
Naked Single: r4c8=3
Naked Single: r6c2=8
Naked Single: r2c8=8
Naked Single: r4c9=5
Full House: r4c3=7
Naked Single: r2c2=3
Full House: r2c1=6
Naked Single: r6c1=9
Naked Single: r5c8=6
Full House: r6c8=2
Naked Single: r5c9=8
Naked Single: r3c2=1
Full House: r5c2=4
Naked Single: r5c1=5
Full House: r1c1=8
Full House: r5c3=1
Naked Single: r6c7=7
Full House: r5c7=9
Full House: r5c4=7
Full House: r6c4=6
Naked Single: r1c3=5
Full House: r3c3=9
Naked Single: r3c9=3
Full House: r1c9=1
Full House: r1c6=3
Full House: r3c6=8
| Easy |
sudoku_normal_hard_69 | .78461.3..5..2.76.316975.8.6.7.....4...5.6...1.....9...4..3..97.2..94.1..6..52843 | 278461539954823761316975482637289154492516378185347926541638297823794615769152843 | sudoku_normal_hard_69 | 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 | 9 | . 7 8 4 6 1 . 3 .
. 5 . . 2 . 7 6 .
3 1 6 9 7 5 . 8 .
6 . 7 . . . . . 4
. . . 5 . 6 . . .
1 . . . . . 9 . .
. 4 . . 3 . . 9 7
. 2 . . 9 4 . 1 .
. 6 . . 5 2 8 4 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 278461539954823761316975482637289154492516378185347926541638297823794615769152843 #1 Easy (172)
Naked Single: r3c9=2
Full House: r3c7=4
Naked Single: r7c6=8
Naked Single: r1c7=5
Naked Single: r2c6=3
Full House: r2c4=8
Naked Single: r7c1=5
Naked Single: r1c9=9
Full House: r1c1=2
Full House: r2c9=1
Naked Single: r8c7=6
Naked Single: r4c6=9
Full House: r6c6=7
Naked Single: r7c3=1
Naked Single: r8c3=3
Naked Single: r5c9=8
Naked Single: r7c7=2
Full House: r8c9=5
Full House: r7c4=6
Full House: r6c9=6
Naked Single: r8c4=7
Full House: r8c1=8
Full House: r9c4=1
Naked Single: r9c3=9
Full House: r9c1=7
Naked Single: r2c3=4
Full House: r2c1=9
Full House: r5c1=4
Naked Single: r5c3=2
Full House: r6c3=5
Naked Single: r5c5=1
Naked Single: r5c8=7
Naked Single: r6c8=2
Full House: r4c8=5
Naked Single: r4c5=8
Full House: r6c5=4
Naked Single: r5c7=3
Full House: r4c7=1
Full House: r5c2=9
Naked Single: r6c4=3
Full House: r4c4=2
Full House: r4c2=3
Full House: r6c2=8
| Easy |
sudoku_normal_hard_70 | ..3.9.46.95.86.2136....28.7..26..13.1...8.7.6.96...5..4..1..6.2.7...698..69.5.3.1 | 823791465957864213614532897782645139145983726396217548438179652571326984269458371 | sudoku_normal_hard_70 | 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 | 9 | . . 3 . 9 . 4 6 .
9 5 . 8 6 . 2 1 3
6 . . . . 2 8 . 7
. . 2 6 . . 1 3 .
1 . . . 8 . 7 . 6
. 9 6 . . . 5 . .
4 . . 1 . . 6 . 2
. 7 . . . 6 9 8 .
. 6 9 . 5 . 3 . 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 823791465957864213614532897782645139145983726396217548438179652571326984269458371 #1 Easy (168)
Naked Single: r1c9=5
Full House: r3c8=9
Naked Single: r1c4=7
Naked Single: r8c9=4
Naked Single: r1c6=1
Naked Single: r2c6=4
Full House: r2c3=7
Naked Single: r6c9=8
Full House: r4c9=9
Naked Single: r9c8=7
Full House: r7c8=5
Naked Single: r3c5=3
Full House: r3c4=5
Naked Single: r9c6=8
Naked Single: r7c3=8
Naked Single: r7c5=7
Naked Single: r8c5=2
Naked Single: r9c1=2
Full House: r9c4=4
Naked Single: r7c2=3
Full House: r7c6=9
Full House: r8c4=3
Naked Single: r4c5=4
Full House: r6c5=1
Naked Single: r1c1=8
Full House: r1c2=2
Naked Single: r5c2=4
Naked Single: r8c1=5
Full House: r8c3=1
Naked Single: r6c4=2
Full House: r5c4=9
Naked Single: r4c2=8
Full House: r3c2=1
Full House: r3c3=4
Full House: r5c3=5
Naked Single: r5c8=2
Full House: r6c8=4
Full House: r5c6=3
Naked Single: r4c1=7
Full House: r4c6=5
Full House: r6c6=7
Full House: r6c1=3
| Easy |
sudoku_normal_hard_71 | ...3.8.9.1.9.....2..5.194..8....7.3.9.2.3.7.8.1.98...4..1.5.8..4..8.1..7.986.3... | 247368195139745682685219473854127936962534718713986524371452869426891357598673241 | sudoku_normal_hard_71 | 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 | 9 | . . . 3 . 8 . 9 .
1 . 9 . . . . . 2
. . 5 . 1 9 4 . .
8 . . . . 7 . 3 .
9 . 2 . 3 . 7 . 8
. 1 . 9 8 . . . 4
. . 1 . 5 . 8 . .
4 . . 8 . 1 . . 7
. 9 8 6 . 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 247368195139745682685219473854127936962534718713986524371452869426891357598673241 #1 Easy (312)
Hidden Single: r7c9=9
Hidden Single: r8c5=9
Hidden Single: r4c7=9
Hidden Single: r3c9=3
Hidden Single: r8c7=3
Naked Single: r8c3=6
Naked Single: r4c3=4
Naked Single: r1c3=7
Full House: r6c3=3
Hidden Single: r2c2=3
Hidden Single: r7c8=6
Hidden Single: r7c2=7
Hidden Single: r6c1=7
Hidden Single: r7c1=3
Hidden Single: r1c2=4
Hidden Single: r2c8=8
Naked Single: r3c8=7
Naked Single: r3c4=2
Naked Single: r1c5=6
Naked Single: r3c1=6
Full House: r3c2=8
Full House: r1c1=2
Full House: r9c1=5
Full House: r8c2=2
Full House: r8c8=5
Naked Single: r7c4=4
Full House: r7c6=2
Full House: r9c5=7
Naked Single: r4c5=2
Full House: r2c5=4
Naked Single: r9c9=1
Naked Single: r5c8=1
Naked Single: r6c8=2
Full House: r9c8=4
Full House: r9c7=2
Naked Single: r2c6=5
Full House: r2c4=7
Full House: r2c7=6
Naked Single: r1c9=5
Full House: r1c7=1
Full House: r6c7=5
Full House: r6c6=6
Full House: r4c9=6
Full House: r5c6=4
Naked Single: r5c4=5
Full House: r4c4=1
Full House: r4c2=5
Full House: r5c2=6
| Easy |
sudoku_normal_hard_72 | 3.1.9...59548..1..8.2....3.7..9452..14..2.57.2.5..1..442....35.5.8..4..76...5.84. | 361492785954873162872516439736945218149628573285731694427189356518364927693257841 | sudoku_normal_hard_72 | 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 | 9 | 3 . 1 . 9 . . . 5
9 5 4 8 . . 1 . .
8 . 2 . . . . 3 .
7 . . 9 4 5 2 . .
1 4 . . 2 . 5 7 .
2 . 5 . . 1 . . 4
4 2 . . . . 3 5 .
5 . 8 . . 4 . . 7
6 . . . 5 . 8 4 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 361492785954873162872516439736945218149628573285731694427189356518364927693257841 #1 Easy (302)
Hidden Single: r3c4=5
Hidden Single: r1c8=8
Hidden Single: r3c5=1
Hidden Single: r3c7=4
Hidden Single: r1c4=4
Hidden Single: r1c7=7
Naked Single: r1c2=6
Full House: r1c6=2
Full House: r3c2=7
Naked Single: r3c6=6
Full House: r3c9=9
Hidden Single: r5c3=9
Naked Single: r7c3=7
Naked Single: r9c3=3
Full House: r4c3=6
Naked Single: r4c8=1
Hidden Single: r7c6=9
Naked Single: r9c6=7
Naked Single: r2c6=3
Full House: r2c5=7
Full House: r5c6=8
Hidden Single: r9c2=9
Full House: r8c2=1
Hidden Single: r7c5=8
Hidden Single: r6c4=7
Hidden Single: r4c9=8
Full House: r4c2=3
Full House: r6c2=8
Hidden Single: r5c9=3
Full House: r5c4=6
Full House: r6c5=3
Full House: r8c5=6
Naked Single: r7c4=1
Full House: r7c9=6
Naked Single: r8c7=9
Full House: r6c7=6
Full House: r6c8=9
Naked Single: r9c4=2
Full House: r8c4=3
Full House: r8c8=2
Full House: r9c9=1
Full House: r2c9=2
Full House: r2c8=6
| Easy |
sudoku_normal_hard_73 | 6...8.2....54.26.....1...5.39...84..8...4.9.3...3..87..4...9...9.26135..5.3.741.9 | 631985247785432691429167358396758412857241963214396875148529736972613584563874129 | sudoku_normal_hard_73 | 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 | 9 | 6 . . . 8 . 2 . .
. . 5 4 . 2 6 . .
. . . 1 . . . 5 .
3 9 . . . 8 4 . .
8 . . . 4 . 9 . 3
. . . 3 . . 8 7 .
. 4 . . . 9 . . .
9 . 2 6 1 3 5 . .
5 . 3 . 7 4 1 . 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 631985247785432691429167358396758412857241963214396875148529736972613584563874129 #1 Easy (288)
Hidden Single: r6c5=9
Naked Single: r2c5=3
Naked Single: r3c5=6
Naked Single: r3c6=7
Naked Single: r1c6=5
Full House: r1c4=9
Naked Single: r3c7=3
Full House: r7c7=7
Naked Single: r7c1=1
Naked Single: r2c1=7
Hidden Single: r2c8=9
Hidden Single: r3c3=9
Hidden Single: r1c2=3
Hidden Single: r7c8=3
Hidden Single: r8c2=7
Hidden Single: r1c9=7
Hidden Single: r7c3=8
Full House: r9c2=6
Hidden Single: r9c4=8
Full House: r9c8=2
Naked Single: r7c9=6
Hidden Single: r8c8=8
Full House: r8c9=4
Naked Single: r3c9=8
Naked Single: r2c9=1
Full House: r1c8=4
Full House: r2c2=8
Full House: r1c3=1
Naked Single: r3c2=2
Full House: r3c1=4
Full House: r6c1=2
Naked Single: r6c9=5
Full House: r4c9=2
Naked Single: r6c2=1
Full House: r5c2=5
Naked Single: r4c5=5
Full House: r7c5=2
Full House: r7c4=5
Naked Single: r6c6=6
Full House: r5c6=1
Full House: r6c3=4
Naked Single: r4c4=7
Full House: r5c4=2
Naked Single: r5c8=6
Full House: r4c8=1
Full House: r4c3=6
Full House: r5c3=7
| Easy |
sudoku_normal_hard_74 | 9..8...36.6...19.4..5.697...86.....9.97.1.8..4...98.6...8.3.19.6..98....3291.46.8 | 914827536762351984835469712186542379297613845453798261548236197671985423329174658 | sudoku_normal_hard_74 | 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 | 9 | 9 . . 8 . . . 3 6
. 6 . . . 1 9 . 4
. . 5 . 6 9 7 . .
. 8 6 . . . . . 9
. 9 7 . 1 . 8 . .
4 . . . 9 8 . 6 .
. . 8 . 3 . 1 9 .
6 . . 9 8 . . . .
3 2 9 1 . 4 6 . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 914827536762351984835469712186542379297613845453798261548236197671985423329174658 #1 Easy (216)
Hidden Single: r7c2=4
Naked Single: r8c3=1
Hidden Single: r3c4=4
Hidden Single: r1c3=4
Hidden Single: r1c2=1
Naked Single: r3c2=3
Naked Single: r2c3=2
Full House: r6c3=3
Naked Single: r6c2=5
Full House: r8c2=7
Full House: r7c1=5
Naked Single: r3c1=8
Full House: r2c1=7
Naked Single: r5c1=2
Full House: r4c1=1
Naked Single: r6c7=2
Naked Single: r2c5=5
Naked Single: r1c7=5
Naked Single: r6c4=7
Full House: r6c9=1
Naked Single: r2c4=3
Full House: r2c8=8
Naked Single: r9c5=7
Full House: r9c8=5
Naked Single: r3c9=2
Full House: r3c8=1
Naked Single: r1c5=2
Full House: r1c6=7
Full House: r4c5=4
Naked Single: r5c8=4
Naked Single: r7c9=7
Naked Single: r8c9=3
Full House: r5c9=5
Naked Single: r4c7=3
Full House: r4c8=7
Full House: r8c8=2
Full House: r8c7=4
Full House: r8c6=5
Naked Single: r5c4=6
Full House: r5c6=3
Naked Single: r4c6=2
Full House: r4c4=5
Full House: r7c4=2
Full House: r7c6=6
| Easy |
sudoku_normal_hard_75 | .5...2..84.218.9..8.7...132.2...8..1..3.4.82.5..6...7..1....58.2.5893.166..7...9. | 156932748432187965897456132924378651763541829581629374319264587275893416648715293 | sudoku_normal_hard_75 | 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 | 9 | . 5 . . . 2 . . 8
4 . 2 1 8 . 9 . .
8 . 7 . . . 1 3 2
. 2 . . . 8 . . 1
. . 3 . 4 . 8 2 .
5 . . 6 . . . 7 .
. 1 . . . . 5 8 .
2 . 5 8 9 3 . 1 6
6 . . 7 . . . 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 156932748432187965897456132924378651763541829581629374319264587275893416648715293 #1 Easy (220)
Hidden Single: r6c5=2
Naked Single: r7c5=6
Naked Single: r3c5=5
Naked Single: r7c6=4
Naked Single: r9c5=1
Naked Single: r7c3=9
Naked Single: r7c4=2
Full House: r9c6=5
Hidden Single: r9c7=2
Hidden Single: r2c2=3
Hidden Single: r5c2=6
Naked Single: r3c2=9
Naked Single: r4c3=4
Naked Single: r1c1=1
Full House: r1c3=6
Naked Single: r3c4=4
Full House: r3c6=6
Naked Single: r6c2=8
Naked Single: r9c3=8
Full House: r6c3=1
Naked Single: r1c8=4
Naked Single: r2c6=7
Naked Single: r9c2=4
Full House: r8c2=7
Full House: r9c9=3
Full House: r7c1=3
Full House: r8c7=4
Full House: r7c9=7
Naked Single: r6c6=9
Full House: r5c6=1
Naked Single: r1c7=7
Naked Single: r1c5=3
Full House: r1c4=9
Full House: r4c5=7
Naked Single: r2c9=5
Full House: r2c8=6
Full House: r4c8=5
Naked Single: r6c7=3
Full House: r6c9=4
Full House: r5c9=9
Full House: r4c7=6
Naked Single: r5c4=5
Full House: r4c4=3
Full House: r4c1=9
Full House: r5c1=7
| Easy |
sudoku_normal_hard_76 | 7193.28.....1.67..346.8..1.1324795689.7...4.15..6.1.9..9..6.1.4..1..4......51.6.9 | 719342856258196743346785912132479568967853421584621397895267134671934285423518679 | sudoku_normal_hard_76 | 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 | 9 | 7 1 9 3 . 2 8 . .
. . . 1 . 6 7 . .
3 4 6 . 8 . . 1 .
1 3 2 4 7 9 5 6 8
9 . 7 . . . 4 . 1
5 . . 6 . 1 . 9 .
. 9 . . 6 . 1 . 4
. . 1 . . 4 . . .
. . . 5 1 . 6 . 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 719342856258196743346785912132479568967853421584621397895267134671934285423518679 #1 Easy (240)
Naked Single: r6c2=8
Naked Single: r5c2=6
Full House: r6c3=4
Hidden Single: r1c9=6
Hidden Single: r6c9=7
Hidden Single: r9c1=4
Hidden Single: r8c1=6
Hidden Single: r2c5=9
Naked Single: r3c4=7
Naked Single: r3c6=5
Full House: r1c5=4
Full House: r1c8=5
Naked Single: r3c9=2
Full House: r3c7=9
Naked Single: r2c9=3
Full House: r2c8=4
Full House: r8c9=5
Hidden Single: r8c4=9
Hidden Single: r5c5=5
Hidden Single: r7c3=5
Naked Single: r2c3=8
Full House: r9c3=3
Naked Single: r2c1=2
Full House: r2c2=5
Full House: r7c1=8
Naked Single: r7c4=2
Full House: r5c4=8
Naked Single: r8c5=3
Full House: r6c5=2
Full House: r5c6=3
Full House: r6c7=3
Full House: r8c7=2
Full House: r5c8=2
Naked Single: r7c6=7
Full House: r7c8=3
Full House: r9c6=8
Naked Single: r8c2=7
Full House: r8c8=8
Full House: r9c8=7
Full House: r9c2=2
| Easy |
sudoku_normal_hard_77 | ..3.94.5.2456...98.97.5.6..7.4...269...9.2...912...5.3.21.79.8.4.9..1..2.7.42.9.. | 863294157245617398197358624784135269536942871912786543321579486459861732678423915 | sudoku_normal_hard_77 | 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 | 9 | . . 3 . 9 4 . 5 .
2 4 5 6 . . . 9 8
. 9 7 . 5 . 6 . .
7 . 4 . . . 2 6 9
. . . 9 . 2 . . .
9 1 2 . . . 5 . 3
. 2 1 . 7 9 . 8 .
4 . 9 . . 1 . . 2
. 7 . 4 2 . 9 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 863294157245617398197358624784135269536942871912786543321579486459861732678423915 #1 Easy (248)
Hidden Single: r5c7=8
Naked Single: r5c3=6
Full House: r9c3=8
Hidden Single: r1c4=2
Hidden Single: r3c8=2
Hidden Single: r4c2=8
Naked Single: r1c2=6
Hidden Single: r7c7=4
Hidden Single: r6c4=7
Naked Single: r6c8=4
Hidden Single: r2c6=7
Hidden Single: r2c7=3
Full House: r2c5=1
Naked Single: r8c7=7
Full House: r1c7=1
Naked Single: r4c5=3
Naked Single: r8c8=3
Naked Single: r1c1=8
Full House: r1c9=7
Full House: r3c9=4
Full House: r3c1=1
Naked Single: r4c6=5
Full House: r4c4=1
Naked Single: r5c5=4
Naked Single: r8c2=5
Full House: r5c2=3
Full House: r5c1=5
Naked Single: r9c8=1
Full House: r5c8=7
Full House: r5c9=1
Naked Single: r8c4=8
Full House: r8c5=6
Full House: r6c5=8
Full House: r6c6=6
Naked Single: r3c4=3
Full House: r3c6=8
Full House: r9c6=3
Full House: r7c4=5
Naked Single: r9c1=6
Full House: r7c1=3
Full House: r7c9=6
Full House: r9c9=5
| Easy |
sudoku_normal_hard_78 | .7.4..183..3.872.55..3.1.67.9.2....1..4...8.9.....9.52.6.9....4..2.147.64....6.18 | 679452183143687295528391467896275341254163879317849652761938524982514736435726918 | sudoku_normal_hard_78 | 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 | 9 | . 7 . 4 . . 1 8 3
. . 3 . 8 7 2 . 5
5 . . 3 . 1 . 6 7
. 9 . 2 . . . . 1
. . 4 . . . 8 . 9
. . . . . 9 . 5 2
. 6 . 9 . . . . 4
. . 2 . 1 4 7 . 6
4 . . . . 6 . 1 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 679452183143687295528391467896275341254163879317849652761938524982514736435726918 #1 Easy (260)
Naked Single: r2c4=6
Hidden Single: r9c5=2
Naked Single: r3c5=9
Naked Single: r1c5=5
Full House: r1c6=2
Naked Single: r3c3=8
Naked Single: r3c7=4
Full House: r2c8=9
Full House: r3c2=2
Naked Single: r2c1=1
Full House: r2c2=4
Naked Single: r8c8=3
Naked Single: r5c8=7
Naked Single: r7c7=5
Naked Single: r7c8=2
Full House: r4c8=4
Full House: r9c7=9
Hidden Single: r5c1=2
Hidden Single: r6c5=4
Hidden Single: r8c1=9
Naked Single: r1c1=6
Full House: r1c3=9
Hidden Single: r7c3=1
Hidden Single: r9c2=3
Hidden Single: r5c5=6
Hidden Single: r5c6=3
Naked Single: r4c5=7
Full House: r7c5=3
Naked Single: r7c6=8
Full House: r4c6=5
Full House: r7c1=7
Naked Single: r8c4=5
Full House: r8c2=8
Full House: r9c3=5
Full House: r9c4=7
Naked Single: r4c3=6
Full House: r6c3=7
Naked Single: r5c4=1
Full House: r5c2=5
Full House: r6c2=1
Full House: r6c4=8
Naked Single: r4c7=3
Full House: r4c1=8
Full House: r6c1=3
Full House: r6c7=6
| Easy |
sudoku_normal_hard_79 | 421...836..93..1253...12497..3....1...8.237...52...3...9.63....2....96.313.2..948 | 421795836879364125365812497743986512918523764652471389594638271287149653136257948 | sudoku_normal_hard_79 | 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 | 9 | 4 2 1 . . . 8 3 6
. . 9 3 . . 1 2 5
3 . . . 1 2 4 9 7
. . 3 . . . . 1 .
. . 8 . 2 3 7 . .
. 5 2 . . . 3 . .
. 9 . 6 3 . . . .
2 . . . . 9 6 . 3
1 3 . 2 . . 9 4 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 421795836879364125365812497743986512918523764652471389594638271287149653136257948 #1 Easy (218)
Hidden Single: r3c3=5
Naked Single: r3c4=8
Full House: r3c2=6
Hidden Single: r5c2=1
Hidden Single: r8c4=1
Hidden Single: r7c9=1
Hidden Single: r7c1=5
Naked Single: r7c7=2
Full House: r4c7=5
Naked Single: r7c8=7
Full House: r8c8=5
Naked Single: r5c8=6
Full House: r6c8=8
Naked Single: r7c3=4
Full House: r7c6=8
Naked Single: r5c1=9
Naked Single: r8c3=7
Full House: r9c3=6
Full House: r8c2=8
Full House: r8c5=4
Naked Single: r5c9=4
Full House: r5c4=5
Naked Single: r2c2=7
Full House: r2c1=8
Full House: r4c2=4
Naked Single: r6c9=9
Full House: r4c9=2
Naked Single: r2c5=6
Full House: r2c6=4
Naked Single: r6c5=7
Naked Single: r4c4=9
Naked Single: r4c6=6
Naked Single: r6c1=6
Full House: r4c1=7
Full House: r4c5=8
Naked Single: r6c4=4
Full House: r1c4=7
Full House: r6c6=1
Naked Single: r9c5=5
Full House: r1c5=9
Full House: r1c6=5
Full House: r9c6=7
| Easy |
sudoku_normal_hard_80 | .1..6..72..5..28.12..1.....5.96..3.8.8..7319...39.57.4...7.46.9..78..2...9..36.1. | 914368572765492831238157946579641328486273195123985764351724689647819253892536417 | sudoku_normal_hard_80 | 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 | 9 | . 1 . . 6 . . 7 2
. . 5 . . 2 8 . 1
2 . . 1 . . . . .
5 . 9 6 . . 3 . 8
. 8 . . 7 3 1 9 .
. . 3 9 . 5 7 . 4
. . . 7 . 4 6 . 9
. . 7 8 . . 2 . .
. 9 . . 3 6 . 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 914368572765492831238157946579641328486273195123985764351724689647819253892536417 #1 Easy (180)
Naked Single: r4c8=2
Naked Single: r4c6=1
Naked Single: r6c8=6
Full House: r5c9=5
Naked Single: r4c5=4
Full House: r4c2=7
Naked Single: r8c6=9
Naked Single: r6c1=1
Naked Single: r6c2=2
Full House: r6c5=8
Full House: r5c4=2
Naked Single: r8c9=3
Naked Single: r9c9=7
Full House: r3c9=6
Naked Single: r2c5=9
Naked Single: r1c6=8
Full House: r3c6=7
Naked Single: r9c4=5
Naked Single: r3c5=5
Naked Single: r1c3=4
Naked Single: r8c5=1
Full House: r7c5=2
Naked Single: r9c7=4
Naked Single: r1c4=3
Full House: r2c4=4
Naked Single: r3c2=3
Naked Single: r3c3=8
Naked Single: r5c3=6
Full House: r5c1=4
Naked Single: r3c7=9
Full House: r3c8=4
Full House: r1c7=5
Full House: r1c1=9
Full House: r2c8=3
Naked Single: r8c8=5
Full House: r7c8=8
Naked Single: r9c1=8
Full House: r9c3=2
Full House: r7c3=1
Naked Single: r2c2=6
Full House: r2c1=7
Naked Single: r7c2=5
Full House: r7c1=3
Full House: r8c1=6
Full House: r8c2=4
| Easy |
sudoku_normal_hard_81 | 45..7...191.8..3...6...4....8..4.613576391..2134....5....4...266.1.89.373...6..8. | 458973261912856374763214598289745613576391842134628759895437126621589437347162985 | sudoku_normal_hard_81 | 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 | 9 | 4 5 . . 7 . . . 1
9 1 . 8 . . 3 . .
. 6 . . . 4 . . .
. 8 . . 4 . 6 1 3
5 7 6 3 9 1 . . 2
1 3 4 . . . . 5 .
. . . 4 . . . 2 6
6 . 1 . 8 9 . 3 7
3 . . . 6 . . 8 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 458973261912856374763214598289745613576391842134628759895437126621589437347162985 #1 Easy (172)
Naked Single: r4c1=2
Full House: r4c3=9
Naked Single: r7c2=9
Naked Single: r6c5=2
Naked Single: r5c8=4
Full House: r5c7=8
Naked Single: r2c5=5
Naked Single: r6c9=9
Full House: r6c7=7
Naked Single: r2c9=4
Naked Single: r6c4=6
Full House: r6c6=8
Naked Single: r9c9=5
Full House: r3c9=8
Naked Single: r7c7=1
Naked Single: r8c7=4
Full House: r9c7=9
Naked Single: r3c1=7
Full House: r7c1=8
Naked Single: r7c5=3
Full House: r3c5=1
Naked Single: r8c2=2
Full House: r8c4=5
Full House: r9c2=4
Naked Single: r1c7=2
Full House: r3c7=5
Naked Single: r2c3=2
Naked Single: r3c8=9
Naked Single: r9c3=7
Full House: r7c3=5
Full House: r7c6=7
Naked Single: r4c4=7
Full House: r4c6=5
Naked Single: r1c4=9
Naked Single: r2c6=6
Full House: r2c8=7
Full House: r1c8=6
Naked Single: r3c3=3
Full House: r3c4=2
Full House: r1c6=3
Full House: r9c6=2
Full House: r1c3=8
Full House: r9c4=1
| Easy |
sudoku_normal_hard_82 | 69...2.....1.59.8345.7.....9.5..67...8..1..3...49....5.....4.1.34..8.2...1.2....6 | 698132574721459683453768192935846721286517439174923865562374918349681257817295346 | sudoku_normal_hard_82 | 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 | 9 | 6 9 . . . 2 . . .
. . 1 . 5 9 . 8 3
4 5 . 7 . . . . .
9 . 5 . . 6 7 . .
. 8 . . 1 . . 3 .
. . 4 9 . . . . 5
. . . . . 4 . 1 .
3 4 . . 8 . 2 . .
. 1 . 2 . . . . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 698132574721459683453768192935846721286517439174923865562374918349681257817295346 #1 Easy (294)
Hidden Single: r4c9=1
Hidden Single: r6c1=1
Hidden Single: r4c4=8
Hidden Single: r7c9=8
Hidden Single: r6c7=8
Hidden Single: r1c3=8
Hidden Single: r3c6=8
Hidden Single: r9c1=8
Hidden Single: r3c3=3
Naked Single: r3c5=6
Naked Single: r2c4=4
Naked Single: r1c5=3
Full House: r1c4=1
Naked Single: r2c7=6
Naked Single: r5c4=5
Naked Single: r5c6=7
Naked Single: r8c4=6
Full House: r7c4=3
Naked Single: r5c1=2
Naked Single: r6c5=2
Naked Single: r6c6=3
Full House: r4c5=4
Naked Single: r9c6=5
Full House: r8c6=1
Naked Single: r2c1=7
Full House: r2c2=2
Full House: r7c1=5
Naked Single: r4c2=3
Full House: r4c8=2
Naked Single: r5c3=6
Full House: r6c2=7
Full House: r6c8=6
Full House: r7c2=6
Naked Single: r7c7=9
Naked Single: r3c8=9
Naked Single: r3c7=1
Full House: r3c9=2
Naked Single: r5c7=4
Full House: r5c9=9
Naked Single: r7c5=7
Full House: r7c3=2
Full House: r9c5=9
Naked Single: r8c9=7
Full House: r1c9=4
Naked Single: r1c7=5
Full House: r9c7=3
Full House: r1c8=7
Naked Single: r9c3=7
Full House: r8c3=9
Full House: r8c8=5
Full House: r9c8=4
| Easy |
sudoku_normal_hard_83 | 2..3...6...9.1...2.17..89..8..4..7...3.....2...2..6..49842651375..873496763149..8 | 248397561359614872617528943896432715435781629172956384984265137521873496763149258 | sudoku_normal_hard_83 | 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 | 9 | 2 . . 3 . . . 6 .
. . 9 . 1 . . . 2
. 1 7 . . 8 9 . .
8 . . 4 . . 7 . .
. 3 . . . . . 2 .
. . 2 . . 6 . . 4
9 8 4 2 6 5 1 3 7
5 . . 8 7 3 4 9 6
7 6 3 1 4 9 . . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 248397561359614872617528943896432715435781629172956384984265137521873496763149258 #1 Easy (160)
Naked Single: r8c2=2
Full House: r8c3=1
Naked Single: r6c1=1
Naked Single: r9c8=5
Full House: r9c7=2
Naked Single: r3c8=4
Naked Single: r4c8=1
Naked Single: r6c8=8
Full House: r2c8=7
Naked Single: r4c6=2
Naked Single: r2c6=4
Naked Single: r1c6=7
Full House: r5c6=1
Naked Single: r2c2=5
Naked Single: r1c2=4
Naked Single: r1c3=8
Naked Single: r2c4=6
Naked Single: r4c2=9
Full House: r6c2=7
Naked Single: r1c7=5
Naked Single: r2c1=3
Full House: r2c7=8
Full House: r3c1=6
Full House: r5c1=4
Naked Single: r3c4=5
Naked Single: r1c5=9
Full House: r1c9=1
Full House: r3c9=3
Full House: r3c5=2
Naked Single: r5c7=6
Full House: r6c7=3
Naked Single: r6c4=9
Full House: r6c5=5
Full House: r5c4=7
Naked Single: r4c9=5
Full House: r5c9=9
Naked Single: r5c3=5
Full House: r5c5=8
Full House: r4c5=3
Full House: r4c3=6
| Easy |
sudoku_normal_hard_84 | ..9.5.1.......9.5285.6...399735.4..6..5.9.3..2..3...1554..38..769.2.5.....8.4.5.. | 429753168316489752857621439973514286165892374284367915542138697691275843738946521 | sudoku_normal_hard_84 | 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 | 9 | . . 9 . 5 . 1 . .
. . . . . 9 . 5 2
8 5 . 6 . . . 3 9
9 7 3 5 . 4 . . 6
. . 5 . 9 . 3 . .
2 . . 3 . . . 1 5
5 4 . . 3 8 . . 7
6 9 . 2 . 5 . . .
. . 8 . 4 . 5 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 429753168316489752857621439973514286165892374284367915542138697691275843738946521 #1 Easy (190)
Hidden Single: r4c5=1
Naked Single: r8c5=7
Naked Single: r2c5=8
Naked Single: r3c5=2
Full House: r6c5=6
Naked Single: r8c3=1
Naked Single: r6c2=8
Naked Single: r6c3=4
Naked Single: r6c6=7
Full House: r6c7=9
Naked Single: r7c3=2
Naked Single: r3c3=7
Full House: r2c3=6
Naked Single: r5c1=1
Full House: r5c2=6
Naked Single: r1c6=3
Naked Single: r3c6=1
Full House: r3c7=4
Naked Single: r5c4=8
Full House: r5c6=2
Full House: r9c6=6
Naked Single: r7c7=6
Naked Single: r9c2=3
Full House: r9c1=7
Naked Single: r1c1=4
Full House: r2c1=3
Naked Single: r1c2=2
Full House: r2c2=1
Naked Single: r1c9=8
Naked Single: r2c7=7
Full House: r1c8=6
Full House: r1c4=7
Full House: r2c4=4
Naked Single: r8c7=8
Full House: r4c7=2
Full House: r4c8=8
Naked Single: r5c9=4
Full House: r5c8=7
Naked Single: r7c8=9
Full House: r7c4=1
Full House: r9c4=9
Naked Single: r9c9=1
Full House: r8c9=3
Full House: r8c8=4
Full House: r9c8=2
| Easy |
sudoku_normal_hard_85 | 4..738.2.798216354.6..59..7..43...9.5...8...3.3...14..64.19..7...5...6...7...2..1 | 451738926798216354362459187184367295526984713937521468643195872215873649879642531 | sudoku_normal_hard_85 | 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 | 9 | 4 . . 7 3 8 . 2 .
7 9 8 2 1 6 3 5 4
. 6 . . 5 9 . . 7
. . 4 3 . . . 9 .
5 . . . 8 . . . 3
. 3 . . . 1 4 . .
6 4 . 1 9 . . 7 .
. . 5 . . . 6 . .
. 7 . . . 2 . . 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 451738926798216354362459187184367295526984713937521468643195872215873649879642531 #1 Easy (226)
Full House: r3c4=4
Naked Single: r1c3=1
Naked Single: r8c4=8
Naked Single: r1c2=5
Naked Single: r1c7=9
Full House: r1c9=6
Hidden Single: r5c6=4
Hidden Single: r4c2=8
Hidden Single: r9c1=8
Naked Single: r9c7=5
Naked Single: r9c4=6
Naked Single: r5c4=9
Full House: r6c4=5
Naked Single: r9c5=4
Naked Single: r4c6=7
Naked Single: r8c5=7
Naked Single: r9c8=3
Full House: r9c3=9
Naked Single: r8c6=3
Full House: r7c6=5
Naked Single: r8c8=4
Hidden Single: r8c9=9
Hidden Single: r4c5=6
Full House: r6c5=2
Naked Single: r6c1=9
Naked Single: r6c9=8
Naked Single: r6c8=6
Full House: r6c3=7
Naked Single: r7c9=2
Full House: r4c9=5
Full House: r7c7=8
Full House: r7c3=3
Naked Single: r5c8=1
Full House: r3c8=8
Full House: r3c7=1
Naked Single: r3c3=2
Full House: r3c1=3
Full House: r5c3=6
Naked Single: r4c7=2
Full House: r4c1=1
Full House: r5c2=2
Full House: r5c7=7
Full House: r8c1=2
Full House: r8c2=1
| Easy |
sudoku_normal_hard_86 | ..69.2..1...5..3..9..4...2.5391284762786945..16.735.9..2.3.9..4..52.6...4..8.71.. | 356982741742561389981473625539128476278694513164735298627319854815246937493857162 | sudoku_normal_hard_86 | 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 | 9 | . . 6 9 . 2 . . 1
. . . 5 . . 3 . .
9 . . 4 . . . 2 .
5 3 9 1 2 8 4 7 6
2 7 8 6 9 4 5 . .
1 6 . 7 3 5 . 9 .
. 2 . 3 . 9 . . 4
. . 5 2 . 6 . . .
4 . . 8 . 7 1 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 356982741742561389981473625539128476278694513164735298627319854815246937493857162 #1 Easy (156)
Full House: r6c3=4
Naked Single: r5c9=3
Full House: r5c8=1
Naked Single: r2c6=1
Full House: r3c6=3
Naked Single: r9c2=9
Naked Single: r9c3=3
Naked Single: r9c5=5
Naked Single: r7c5=1
Full House: r8c5=4
Naked Single: r9c8=6
Full House: r9c9=2
Naked Single: r7c3=7
Naked Single: r6c9=8
Full House: r6c7=2
Naked Single: r2c3=2
Full House: r3c3=1
Naked Single: r7c7=8
Naked Single: r8c1=8
Naked Single: r1c7=7
Naked Single: r7c1=6
Full House: r7c8=5
Full House: r8c2=1
Naked Single: r8c8=3
Naked Single: r2c1=7
Full House: r1c1=3
Naked Single: r1c5=8
Naked Single: r2c9=9
Naked Single: r3c7=6
Full House: r8c7=9
Full House: r8c9=7
Full House: r3c9=5
Naked Single: r1c8=4
Full House: r1c2=5
Full House: r2c8=8
Naked Single: r2c5=6
Full House: r3c5=7
Full House: r3c2=8
Full House: r2c2=4
| Easy |
sudoku_normal_hard_87 | .3.2..65.1.6..5.3...5376..86..1...2...3...9.629..68..48..95.76..5.6....1.62.14.9. | 438291657176485239925376148647139825583742916291568374814953762359627481762814593 | sudoku_normal_hard_87 | 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 | 9 | . 3 . 2 . . 6 5 .
1 . 6 . . 5 . 3 .
. . 5 3 7 6 . . 8
6 . . 1 . . . 2 .
. . 3 . . . 9 . 6
2 9 . . 6 8 . . 4
8 . . 9 5 . 7 6 .
. 5 . 6 . . . . 1
. 6 2 . 1 4 . 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 438291657176485239925376148647139825583742916291568374814953762359627481762814593 #1 Easy (226)
Hidden Single: r6c7=3
Hidden Single: r5c1=5
Hidden Single: r1c6=1
Hidden Single: r3c1=9
Hidden Single: r3c7=1
Naked Single: r3c8=4
Full House: r3c2=2
Naked Single: r2c7=2
Naked Single: r8c8=8
Naked Single: r8c7=4
Naked Single: r9c7=5
Full House: r4c7=8
Naked Single: r9c9=3
Full House: r7c9=2
Naked Single: r9c1=7
Full House: r9c4=8
Naked Single: r7c6=3
Naked Single: r1c1=4
Full House: r8c1=3
Naked Single: r8c3=9
Naked Single: r2c4=4
Naked Single: r8c5=2
Full House: r8c6=7
Naked Single: r5c4=7
Full House: r6c4=5
Naked Single: r5c5=4
Naked Single: r4c6=9
Full House: r5c6=2
Full House: r4c5=3
Naked Single: r5c8=1
Full House: r5c2=8
Full House: r6c8=7
Full House: r4c9=5
Full House: r6c3=1
Naked Single: r2c2=7
Full House: r1c3=8
Naked Single: r7c3=4
Full House: r4c3=7
Full House: r4c2=4
Full House: r7c2=1
Naked Single: r2c9=9
Full House: r1c9=7
Full House: r1c5=9
Full House: r2c5=8
| Easy |
sudoku_normal_hard_88 | ..976.5.8.18..5.795.748...3781...9.....1.7.....48..76.14..78..5.7.9...8.8.3.2.4.7 | 329761548418235679567489123781643952652197834934852761146378295275914386893526417 | sudoku_normal_hard_88 | 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 | 9 | . . 9 7 6 . 5 . 8
. 1 8 . . 5 . 7 9
5 . 7 4 8 . . . 3
7 8 1 . . . 9 . .
. . . 1 . 7 . . .
. . 4 8 . . 7 6 .
1 4 . . 7 8 . . 5
. 7 . 9 . . . 8 .
8 . 3 . 2 . 4 . 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 329761548418235679567489123781643952652197834934852761146378295275914386893526417 #1 Easy (172)
Naked Single: r2c5=3
Naked Single: r2c4=2
Naked Single: r1c6=1
Full House: r3c6=9
Naked Single: r2c7=6
Full House: r2c1=4
Naked Single: r9c6=6
Naked Single: r7c4=3
Naked Single: r9c4=5
Full House: r4c4=6
Naked Single: r7c7=2
Naked Single: r8c6=4
Full House: r8c5=1
Naked Single: r9c2=9
Full House: r9c8=1
Naked Single: r3c7=1
Naked Single: r7c3=6
Full House: r7c8=9
Naked Single: r8c7=3
Full House: r8c9=6
Full House: r5c7=8
Naked Single: r3c8=2
Full House: r1c8=4
Full House: r3c2=6
Naked Single: r8c1=2
Full House: r8c3=5
Full House: r5c3=2
Naked Single: r1c1=3
Full House: r1c2=2
Naked Single: r5c9=4
Naked Single: r6c1=9
Full House: r5c1=6
Naked Single: r4c9=2
Full House: r6c9=1
Naked Single: r6c5=5
Naked Single: r4c6=3
Full House: r6c6=2
Full House: r6c2=3
Full House: r5c2=5
Naked Single: r4c5=4
Full House: r5c5=9
Full House: r4c8=5
Full House: r5c8=3
| Easy |
sudoku_normal_hard_89 | .4.5..1982.9.4..53..8.3..2.9..1...46.8..5.9726....4.31.9..8.3154......898.2..5.6. | 347526198269841753518739624923178546184653972675294831796482315451367289832915467 | sudoku_normal_hard_89 | 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 | 9 | . 4 . 5 . . 1 9 8
2 . 9 . 4 . . 5 3
. . 8 . 3 . . 2 .
9 . . 1 . . . 4 6
. 8 . . 5 . 9 7 2
6 . . . . 4 . 3 1
. 9 . . 8 . 3 1 5
4 . . . . . . 8 9
8 . 2 . . 5 . 6 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 347526198269841753518739624923178546184653972675294831796482315451367289832915467 #1 Easy (172)
Naked Single: r7c1=7
Naked Single: r1c1=3
Naked Single: r7c3=6
Naked Single: r5c1=1
Full House: r3c1=5
Naked Single: r1c3=7
Naked Single: r7c6=2
Full House: r7c4=4
Naked Single: r6c3=5
Naked Single: r1c6=6
Full House: r1c5=2
Naked Single: r4c3=3
Naked Single: r6c7=8
Full House: r4c7=5
Naked Single: r5c6=3
Naked Single: r4c5=7
Naked Single: r5c3=4
Full House: r8c3=1
Full House: r5c4=6
Naked Single: r4c2=2
Full House: r4c6=8
Full House: r6c2=7
Naked Single: r6c5=9
Full House: r6c4=2
Naked Single: r8c5=6
Full House: r9c5=1
Naked Single: r8c6=7
Naked Single: r9c2=3
Full House: r8c2=5
Naked Single: r2c6=1
Full House: r3c6=9
Naked Single: r8c4=3
Full House: r8c7=2
Full House: r9c4=9
Naked Single: r2c2=6
Full House: r3c2=1
Naked Single: r3c4=7
Full House: r2c4=8
Full House: r2c7=7
Naked Single: r3c9=4
Full House: r3c7=6
Full House: r9c7=4
Full House: r9c9=7
| Easy |
sudoku_normal_hard_90 | 853624719..7.15....1....4..5..4...813.1.8...279...1..61.5.4..9....75.1..2..163... | 853624719467915238912378465526497381341586972798231546135842697684759123279163854 | sudoku_normal_hard_90 | 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 | 9 | 8 5 3 6 2 4 7 1 9
. . 7 . 1 5 . . .
. 1 . . . . 4 . .
5 . . 4 . . . 8 1
3 . 1 . 8 . . . 2
7 9 . . . 1 . . 6
1 . 5 . 4 . . 9 .
. . . 7 5 . 1 . .
2 . . 1 6 3 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 853624719467915238912378465526497381341586972798231546135842697684759123279163854 #1 Easy (176)
Naked Single: r6c5=3
Naked Single: r6c7=5
Naked Single: r5c7=9
Naked Single: r6c4=2
Naked Single: r6c8=4
Full House: r6c3=8
Naked Single: r9c7=8
Naked Single: r4c7=3
Full House: r5c8=7
Naked Single: r5c4=5
Naked Single: r7c4=8
Naked Single: r5c6=6
Full House: r5c2=4
Naked Single: r9c8=5
Naked Single: r7c6=2
Full House: r8c6=9
Naked Single: r9c2=7
Naked Single: r7c7=6
Full House: r2c7=2
Naked Single: r4c6=7
Full House: r3c6=8
Full House: r4c5=9
Full House: r3c5=7
Naked Single: r9c9=4
Full House: r9c3=9
Naked Single: r7c2=3
Full House: r7c9=7
Naked Single: r2c2=6
Naked Single: r8c9=3
Full House: r8c8=2
Naked Single: r2c8=3
Full House: r3c8=6
Naked Single: r3c1=9
Naked Single: r3c3=2
Full House: r2c1=4
Full House: r8c1=6
Naked Single: r4c2=2
Full House: r8c2=8
Full House: r4c3=6
Full House: r8c3=4
Naked Single: r2c9=8
Full House: r3c9=5
Full House: r2c4=9
Full House: r3c4=3
| Easy |
sudoku_normal_hard_91 | .5.2871.33875412961..6...8...61......2.....5......86...7..14..9..382.47.8..9...1. | 659287143387541296142639587496152738728463951531798624275314869913826475864975312 | sudoku_normal_hard_91 | 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 | 9 | . 5 . 2 8 7 1 . 3
3 8 7 5 4 1 2 9 6
1 . . 6 . . . 8 .
. . 6 1 . . . . .
. 2 . . . . . 5 .
. . . . . 8 6 . .
. 7 . . 1 4 . . 9
. . 3 8 2 . 4 7 .
8 . . 9 . . . 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 659287143387541296142639587496152738728463951531798624275314869913826475864975312 #1 Easy (180)
Naked Single: r1c8=4
Naked Single: r7c4=3
Naked Single: r8c9=5
Naked Single: r1c3=9
Full House: r1c1=6
Naked Single: r3c9=7
Full House: r3c7=5
Naked Single: r7c7=8
Naked Single: r8c6=6
Naked Single: r9c7=3
Naked Single: r9c9=2
Full House: r7c8=6
Naked Single: r3c2=4
Full House: r3c3=2
Naked Single: r8c1=9
Full House: r8c2=1
Naked Single: r9c6=5
Full House: r9c5=7
Naked Single: r9c2=6
Full House: r9c3=4
Naked Single: r7c3=5
Full House: r7c1=2
Naked Single: r6c3=1
Full House: r5c3=8
Naked Single: r6c9=4
Naked Single: r4c9=8
Full House: r5c9=1
Naked Single: r6c4=7
Full House: r5c4=4
Naked Single: r6c1=5
Naked Single: r5c1=7
Full House: r4c1=4
Naked Single: r5c7=9
Full House: r4c7=7
Naked Single: r5c6=3
Full House: r5c5=6
Naked Single: r3c6=9
Full House: r3c5=3
Full House: r4c6=2
Naked Single: r6c5=9
Full House: r4c5=5
Naked Single: r4c8=3
Full House: r4c2=9
Full House: r6c2=3
Full House: r6c8=2
| Easy |
sudoku_normal_hard_92 | .68.5...45126.4.7.74.2..1...37..6.12.85...9..62.3...87..4..96.1.968...4.2..46.7.. | 968157324512634879743298156437986512185742963629315487874529631396871245251463798 | sudoku_normal_hard_92 | 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 | 9 | . 6 8 . 5 . . . 4
5 1 2 6 . 4 . 7 .
7 4 . 2 . . 1 . .
. 3 7 . . 6 . 1 2
. 8 5 . . . 9 . .
6 2 . 3 . . . 8 7
. . 4 . . 9 6 . 1
. 9 6 8 . . . 4 .
2 . . 4 6 . 7 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 968157324512634879743298156437986512185742963629315487874529631396871245251463798 #1 Easy (168)
Naked Single: r9c2=5
Full House: r7c2=7
Naked Single: r7c4=5
Naked Single: r4c4=9
Naked Single: r4c1=4
Naked Single: r4c5=8
Full House: r4c7=5
Naked Single: r5c1=1
Full House: r6c3=9
Naked Single: r6c7=4
Naked Single: r5c4=7
Full House: r1c4=1
Naked Single: r8c1=3
Naked Single: r3c3=3
Full House: r1c1=9
Full House: r7c1=8
Full House: r9c3=1
Naked Single: r6c5=1
Full House: r6c6=5
Naked Single: r5c6=2
Full House: r5c5=4
Naked Single: r8c7=2
Naked Single: r8c9=5
Naked Single: r3c5=9
Naked Single: r3c6=8
Naked Single: r9c6=3
Naked Single: r1c7=3
Full House: r2c7=8
Naked Single: r7c8=3
Full House: r7c5=2
Naked Single: r8c5=7
Full House: r2c5=3
Full House: r1c6=7
Full House: r1c8=2
Full House: r2c9=9
Full House: r8c6=1
Naked Single: r3c9=6
Full House: r3c8=5
Naked Single: r9c8=9
Full House: r5c8=6
Full House: r9c9=8
Full House: r5c9=3
| Easy |
sudoku_normal_hard_93 | 42......55....14....7.4..6..8.976...1.9.5...2...182.9..91.3.8..854719623673.2..1. | 426897135538261479917345268382976541169453782745182396291634857854719623673528914 | sudoku_normal_hard_93 | 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 | 9 | 4 2 . . . . . . 5
5 . . . . 1 4 . .
. . 7 . 4 . . 6 .
. 8 . 9 7 6 . . .
1 . 9 . 5 . . . 2
. . . 1 8 2 . 9 .
. 9 1 . 3 . 8 . .
8 5 4 7 1 9 6 2 3
6 7 3 . 2 . . 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 426897135538261479917345268382976541169453782745182396291634857854719623673528914 #1 Easy (198)
Full House: r7c1=2
Naked Single: r4c1=3
Naked Single: r3c1=9
Full House: r6c1=7
Hidden Single: r3c2=1
Naked Single: r3c9=8
Hidden Single: r5c8=8
Hidden Single: r1c6=7
Naked Single: r1c8=3
Naked Single: r2c8=7
Naked Single: r3c7=2
Naked Single: r2c9=9
Full House: r1c7=1
Naked Single: r2c5=6
Full House: r1c5=9
Naked Single: r9c9=4
Naked Single: r4c7=5
Naked Single: r1c4=8
Full House: r1c3=6
Naked Single: r2c2=3
Full House: r2c3=8
Full House: r2c4=2
Naked Single: r4c9=1
Naked Single: r6c9=6
Full House: r7c9=7
Naked Single: r7c8=5
Full House: r4c8=4
Full House: r4c3=2
Full House: r9c7=9
Full House: r6c3=5
Naked Single: r6c7=3
Full House: r6c2=4
Full House: r5c7=7
Full House: r5c2=6
Naked Single: r9c4=5
Full House: r9c6=8
Naked Single: r7c6=4
Full House: r7c4=6
Naked Single: r3c4=3
Full House: r3c6=5
Full House: r5c6=3
Full House: r5c4=4
| Easy |
sudoku_normal_hard_94 | ..1.8..2...2..1....7..29.14.295.81.68...6.2.9..69.2.4.3..4...62...2..4..294836751 | 961784325482351697573629814729548136845163279136972548358417962617295483294836751 | sudoku_normal_hard_94 | 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 | 9 | . . 1 . 8 . . 2 .
. . 2 . . 1 . . .
. 7 . . 2 9 . 1 4
. 2 9 5 . 8 1 . 6
8 . . . 6 . 2 . 9
. . 6 9 . 2 . 4 .
3 . . 4 . . . 6 2
. . . 2 . . 4 . .
2 9 4 8 3 6 7 5 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 961784325482351697573629814729548136845163279136972548358417962617295483294836751 #1 Easy (198)
Hidden Single: r5c4=1
Naked Single: r6c5=7
Naked Single: r4c5=4
Full House: r5c6=3
Naked Single: r2c5=5
Naked Single: r4c1=7
Full House: r4c8=3
Naked Single: r5c8=7
Naked Single: r5c3=5
Full House: r5c2=4
Naked Single: r6c1=1
Full House: r6c2=3
Hidden Single: r1c6=4
Hidden Single: r3c3=3
Naked Single: r3c4=6
Naked Single: r3c1=5
Full House: r3c7=8
Naked Single: r1c2=6
Naked Single: r8c1=6
Naked Single: r2c8=9
Full House: r8c8=8
Naked Single: r6c7=5
Full House: r6c9=8
Naked Single: r7c7=9
Full House: r8c9=3
Naked Single: r1c1=9
Full House: r2c1=4
Full House: r2c2=8
Naked Single: r8c3=7
Full House: r7c3=8
Naked Single: r1c7=3
Full House: r2c7=6
Naked Single: r7c5=1
Full House: r8c5=9
Naked Single: r2c9=7
Full House: r1c9=5
Full House: r1c4=7
Full House: r2c4=3
Naked Single: r8c6=5
Full House: r7c6=7
Full House: r7c2=5
Full House: r8c2=1
| Easy |
sudoku_normal_hard_95 | 3....8.71...16.4.9.1.5.....4...891.7.7..15.4...26....3.....18656.8.5..14.518.6..2 | 396428571527163489814597236465389127973215648182674953249731865638952714751846392 | sudoku_normal_hard_95 | 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 | 9 | 3 . . . . 8 . 7 1
. . . 1 6 . 4 . 9
. 1 . 5 . . . . .
4 . . . 8 9 1 . 7
. 7 . . 1 5 . 4 .
. . 2 6 . . . . 3
. . . . . 1 8 6 5
6 . 8 . 5 . . 1 4
. 5 1 8 . 6 . . 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_benchmark | hard | 396428571527163489814597236465389127973215648182674953249731865638952714751846392 #1 Easy (250)
Hidden Single: r6c1=1
Hidden Single: r9c5=4
Naked Single: r6c5=7
Naked Single: r6c6=4
Hidden Single: r2c1=5
Naked Single: r2c3=7
Hidden Single: r4c3=5
Naked Single: r4c8=2
Naked Single: r4c4=3
Full House: r4c2=6
Full House: r5c4=2
Hidden Single: r1c4=4
Hidden Single: r3c3=4
Hidden Single: r1c7=5
Naked Single: r6c7=9
Naked Single: r5c7=6
Naked Single: r6c2=8
Full House: r6c8=5
Full House: r5c9=8
Full House: r3c9=6
Naked Single: r2c2=2
Naked Single: r5c1=9
Full House: r5c3=3
Naked Single: r1c2=9
Naked Single: r2c6=3
Full House: r2c8=8
Naked Single: r3c1=8
Full House: r1c3=6
Full House: r7c3=9
Full House: r1c5=2
Naked Single: r9c1=7
Full House: r7c1=2
Naked Single: r8c2=3
Full House: r7c2=4
Naked Single: r3c8=3
Full House: r3c7=2
Full House: r9c8=9
Full House: r9c7=3
Full House: r8c7=7
Naked Single: r7c4=7
Full House: r7c5=3
Full House: r3c5=9
Full House: r3c6=7
Full House: r8c4=9
Full House: r8c6=2
| Easy |
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