task_name string | initial_board string | solution string | puzzle_id string | title string | rules string | initial_observation string | rows int64 | cols int64 | visual_elements string | description string | task_type string | data_source string | difficulty string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4x4_sudoku_1293 | 1......1.142.2.3 | 1324243131424213 | Basic 4x4 Sudoku 1293 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 1 . . .
. . . 1
. 1 4 2
. 2 . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_166 | .9.5173...2389.5..8.7326..4231985.767496318.55.8.429133.41..2...8.4...3191.273.4. | 496517382123894567857326194231985476749631825568742913374168259682459731915273648 | fpuzzle3e46cd56e99c9c8de17bb358fa6f7197 | sudoku_ctc_188_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Along the indicated diagonal, digits do not repeat. Black dots indicate that cells are in a 2:1 ratio. Numbers outside the grid indicate the sum of the cells in the direc... | . 9 . 5 1 7 3 . .
. 2 3 8 9 . 5 . .
8 . 7 3 2 6 . . 4
2 3 1 9 8 5 . 7 6
7 4 9 6 3 1 8 . 5
5 . 8 . 4 2 9 1 3
3 . 4 1 . . 2 . .
. 8 . 4 . . . 3 1
9 1 . 2 7 3 . 4 . | 9 | 9 | - killer cage (value 17): r2c2 r2c3 r3c2 r3c3
- killer cage (value 17): r7c7 r7c8 r8c7 r8c8
- killer cage (value 24): r8c1 r8c2 r9c1 r9c2
- killer cage (value 14): r4c1 r5c1 r6c1
- killer cage (value 11): r3c6 r3c7 r4c7
- killer cage (value 14): r1c5 r2c5 r2c6
- killer cage (value 14): r4c8 r5c8 r5c9
- killer cage (val... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_4980 | 6..1327591927..863735698.4225938...141895.23636721...88.15...2752687931.973421685 | 684132759192745863735698142259386471418957236367214598841563927526879314973421685 | Basic 9x9 Sudoku 4980 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 6 . . 1 3 2 7 5 9
1 9 2 7 . . 8 6 3
7 3 5 6 9 8 . 4 2
2 5 9 3 8 . . . 1
4 1 8 9 5 . 2 3 6
3 6 7 2 1 . . . 8
8 . 1 5 . . . 2 7
5 2 6 8 7 9 3 1 .
9 7 3 4 2 1 6 8 5 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_3625 | 26..13.744..9258.6.1.76..2...3.4916.546.3.29.19.65.743.51...4873.84769519..58.6.2 | 269813574437925816815764329783249165546137298192658743651392487328476951974581632 | Basic 9x9 Sudoku 3625 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 2 6 . . 1 3 . 7 4
4 . . 9 2 5 8 . 6
. 1 . 7 6 . . 2 .
. . 3 . 4 9 1 6 .
5 4 6 . 3 . 2 9 .
1 9 . 6 5 . 7 4 3
. 5 1 . . . 4 8 7
3 . 8 4 7 6 9 5 1
9 . . 5 8 . 6 . 2 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_5889 | 5762..894.9.86723.23895467.6.37.152..8.4921.31.9536.87.543297..317648.5.9.2.7534. | 576213894491867235238954671643781529785492163129536487854329716317648952962175348 | Basic 9x9 Sudoku 5889 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 5 7 6 2 . . 8 9 4
. 9 . 8 6 7 2 3 .
2 3 8 9 5 4 6 7 .
6 . 3 7 . 1 5 2 .
. 8 . 4 9 2 1 . 3
1 . 9 5 3 6 . 8 7
. 5 4 3 2 9 7 . .
3 1 7 6 4 8 . 5 .
9 . 2 . 7 5 3 4 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_2813 | 489.3671..2.91786.17....329.15872436832.64597.643..281351.89.72.9765.14.64..2195. | 489236715523917864176548329915872436832164597764395281351489672297653148648721953 | Basic 9x9 Sudoku 2813 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 4 8 9 . 3 6 7 1 .
. 2 . 9 1 7 8 6 .
1 7 . . . . 3 2 9
. 1 5 8 7 2 4 3 6
8 3 2 . 6 4 5 9 7
. 6 4 3 . . 2 8 1
3 5 1 . 8 9 . 7 2
. 9 7 6 5 . 1 4 .
6 4 . . 2 1 9 5 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_532 | .51.834.63647.5.812.7..19.5...368.928921.7364.36..915.4.89..5.3.2.87461961953284. | 951283476364795281287641935145368792892157364736429158478916523523874619619532847 | Basic 9x9 Sudoku 532 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . 5 1 . 8 3 4 . 6
3 6 4 7 . 5 . 8 1
2 . 7 . . 1 9 . 5
. . . 3 6 8 . 9 2
8 9 2 1 . 7 3 6 4
. 3 6 . . 9 1 5 .
4 . 8 9 . . 5 . 3
. 2 . 8 7 4 6 1 9
6 1 9 5 3 2 8 4 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_4271 | 3.6.4.589.1.3.24..7..86.3..93.28.7.426.5..1985879.42.64..758.1265.421.731.2.39845 | 326147589815392467749865321931286754264573198587914236493758612658421973172639845 | Basic 9x9 Sudoku 4271 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 3 . 6 . 4 . 5 8 9
. 1 . 3 . 2 4 . .
7 . . 8 6 . 3 . .
9 3 . 2 8 . 7 . 4
2 6 . 5 . . 1 9 8
5 8 7 9 . 4 2 . 6
4 . . 7 5 8 . 1 2
6 5 . 4 2 1 . 7 3
1 . 2 . 3 9 8 4 5 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_479 | 4.2.3......2..4. | 4123321414322341 | Basic 4x4 Sudoku 479 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 4 . 2 .
3 . . .
. . . 2
. . 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_1107 | 439.6572.527419.83186372.9579.1.6548648257139.159....7.63521.74.5479.31687.64.952 | 439865721527419683186372495792136548648257139315984267963521874254798316871643952 | Basic 9x9 Sudoku 1107 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 4 3 9 . 6 5 7 2 .
5 2 7 4 1 9 . 8 3
1 8 6 3 7 2 . 9 5
7 9 . 1 . 6 5 4 8
6 4 8 2 5 7 1 3 9
. 1 5 9 . . . . 7
. 6 3 5 2 1 . 7 4
. 5 4 7 9 . 3 1 6
8 7 . 6 4 . 9 5 2 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1636 | ..3.3.42421..... | 2431314242131324 | Basic 4x4 Sudoku 1636 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 3 .
3 . 4 2
4 2 1 .
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1376 | 2..3..4..2.4.... | 2413314212344321 | Basic 4x4 Sudoku 1376 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 2 . . 3
. . 4 .
. 2 . 4
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1307 | .....124...21... | 2431312443121243 | Basic 4x4 Sudoku 1307 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . . .
. 1 2 4
. . . 2
1 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_342 | 85..1627426745.1..1.42.7.95.4317.9.8..2965.41.91.345...7..2.4.6.256.871941.79..52 | 859316274267459183134287695543172968782965341691834527978521436325648719416793852 | D9fpjbmHRn | sudoku_ctc_390_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
A clue outside the grid indicates the value of the sum of all even or all odd digits on the indicated diagonal. If the even digits are counted, no odd digit contributes t... | 8 5 . . 1 6 2 7 4
2 6 7 4 5 . 1 . .
1 . 4 2 . 7 . 9 5
. 4 3 1 7 . 9 . 8
. . 2 9 6 5 . 4 1
. 9 1 . 3 4 5 . .
. 7 . . 2 . 4 . 6
. 2 5 6 . 8 7 1 9
4 1 . 7 9 . . 5 2 | 9 | 9 | - killer cage (value 7): r7c2 r7c3 r8c2
- killer cage (value 1): r7c5 r7c6 r8c5
- killer cage (value 15): r8c8 r8c9 r9c8
- killer cage (value 3): r4c2 r4c3 r5c3
- killer cage (value 16): r5c1 r6c1 r6c2
- killer cage (value 5): r2c5 r3c4 r3c5
- killer cage (value 8): r4c6 r5c5 r5c6
- killer cage (value 9): r2c8 r3c7 r3c... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_255 | 4.2..24.1....3.. | 4123324114322314 | Basic 4x4 Sudoku 255 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 4 . 2 .
. 2 4 .
1 . . .
. 3 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_1293 | .56127.9.9.18...35.845..6.1..9345.6.4..78..53..5216984.27658349648.325175934718.6 | 356127498971864235284593671819345762462789153735216984127658349648932517593471826 | Basic 9x9 Sudoku 1293 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . 5 6 1 2 7 . 9 .
9 . 1 8 . . . 3 5
. 8 4 5 . . 6 . 1
. . 9 3 4 5 . 6 .
4 . . 7 8 . . 5 3
. . 5 2 1 6 9 8 4
. 2 7 6 5 8 3 4 9
6 4 8 . 3 2 5 1 7
5 9 3 4 7 1 8 . 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_269 | .35812697817965...6293..15.79.1..543163...87.5.27.3916..14387..9862.7431.7.691..5 | 435812697817965324629374158798126543163549872542783916251438769986257431374691285 | sxsm_Oddlyeven_84bfa000a069a42619bb882a7f77e5ba | sudoku_ctc_310_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Put the digits 1 to 9 once each into every row, column and 3x3 box.\nFog: The grid is partially covered in fog. Placing correct digits will clear the fog from surrounding... | . 3 5 8 1 2 6 9 7
8 1 7 9 6 5 . . .
6 2 9 3 . . 1 5 .
7 9 . 1 . . 5 4 3
1 6 3 . . . 8 7 .
5 . 2 7 . 3 9 1 6
. . 1 4 3 8 7 . .
9 8 6 2 . 7 4 3 1
. 7 . 6 9 1 . . 5 | 9 | 9 | - line, color: lightgreen, coords: r4c5 r3c5 r2c6 r1c5
- line, color: lightgreen, coords: r6c6 r5c7 r4c7 r3c7
- line, color: lightgreen, coords: r7c5 r7c6 r7c7 r6c7 r5c8 r4c8 r3c8
- line, color: lightgreen, coords: r8c1 r8c2 r8c3 r9c4 r9c5 r9c6 r9c7 r8c8 r7c9 r6c9 r5c9 r4c9 r3c9 r2c8 r2c7 r3c6 r4c6 r5c5 r6c4 r7c3 r7c2 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_1828 | 4192.85.6573.41289862..34..24789516338..1.9759.136782419..86.5..251.4.98738529641 | 419278536573641289862953417247895163386412975951367824194786352625134798738529641 | Basic 9x9 Sudoku 1828 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 4 1 9 2 . 8 5 . 6
5 7 3 . 4 1 2 8 9
8 6 2 . . 3 4 . .
2 4 7 8 9 5 1 6 3
3 8 . . 1 . 9 7 5
9 . 1 3 6 7 8 2 4
1 9 . . 8 6 . 5 .
. 2 5 1 . 4 . 9 8
7 3 8 5 2 9 6 4 1 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_244 | 3.791268421.6.3597496.5..2.681.37.499.42.18535328.41.67..3269.882317.46...948573. | 357912684218643597496758321681537249974261853532894176745326918823179465169485732 | g2DNj8FHm2 | sudoku_ctc_281_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits may not repeat on the marked diagonal. Digits in a cage do not repeat and sum to the small number in the top left corner of the cage." | 3 . 7 9 1 2 6 8 4
2 1 . 6 . 3 5 9 7
4 9 6 . 5 . . 2 .
6 8 1 . 3 7 . 4 9
9 . 4 2 . 1 8 5 3
5 3 2 8 . 4 1 . 6
7 . . 3 2 6 9 . 8
8 2 3 1 7 . 4 6 .
. . 9 4 8 5 7 3 . | 9 | 9 | - killer cage (value 15): r4c3 r4c4 r4c5 r5c3 r6c3
- killer cage (value 16): r5c6 r6c6 r7c4 r7c5 r7c6
- killer cage (value 15): r7c1 r8c1
- killer cage (value 15): r9c2 r9c3
- killer cage (value 15): r8c5 r9c5
- killer cage (value 16): r5c1 r5c2
- killer cage (value 5): r9c8 r9c9
- killer cage (value 5): r1c1 r2c1
- ki... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_215 | 9.47362..351942.7672618.394.4...85.1815.2.7696..59142859.36.187.68.1...313785..42 | 984736215351942876726185394249678531815423769673591428592364187468217953137859642 | 792DQ6mjb3 | sudoku_ctc_246_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Cells joined by an X sum to 10. Cells joined by a V sum to 5. Numbers on a thermometer increase as they move away from the bulb. Digits joined by a black dot have a ratio... | 9 . 4 7 3 6 2 . .
3 5 1 9 4 2 . 7 6
7 2 6 1 8 . 3 9 4
. 4 . . . 8 5 . 1
8 1 5 . 2 . 7 6 9
6 . . 5 9 1 4 2 8
5 9 . 3 6 . 1 8 7
. 6 8 . 1 . . . 3
1 3 7 8 5 . . 4 2 | 9 | 9 | - line, color: lightgray, coords: r9c1 r8c1 r7c1 r6c1 r5c1
- line, color: lightgray, coords: r9c9 r8c9 r7c9 r6c9 r5c9
- line, color: lightgray, coords: r3c7 r3c6 r3c5
- line, color: lightgray, coords: r4c4 r4c5 r4c6
- shape: circle, color: lightgray, location: r9c1
- shape: circle, color: lightgray, location: r9c9
- sh... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_260 | 478623..95928716.3361.9478..27386.518.47152.66.5.423..78325916.2491678..1564.8.27 | 478623519592871643361594782927386451834715296615942378783259164249167835156438927 | sxsm_fjam_9318f8abc8678f91516c09d93527d1af | sudoku_ctc_299_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n- In graves (cages), digits must sum to the day, month or year of the date of the day before or after the date on the grave. Digits cannot repeat within graves.\n- Esca... | 4 7 8 6 2 3 . . 9
5 9 2 8 7 1 6 . 3
3 6 1 . 9 4 7 8 .
. 2 7 3 8 6 . 5 1
8 . 4 7 1 5 2 . 6
6 . 5 . 4 2 3 . .
7 8 3 2 5 9 1 6 .
2 4 9 1 6 7 8 . .
1 5 6 4 . 8 . 2 7 | 9 | 9 | - killer cage (value 30/09/15): r1c5 r1c6 r2c6 r3c6
- killer cage (value 19/11/30): r1c4 r2c4 r2c5 r3c5
- killer cage (value 07/07/22): r2c3 r3c3 r3c4
- killer cage (value 30/10/30): r1c2 r1c3 r2c1 r2c2
- killer cage (value 07/11/23): r3c1 r3c2 r4c2
- killer cage (value 26/10/18): r1c7 r1c8 r1c9 r2c9
- killer cage (val... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_2648 | 297.816.3538.691..14635287938964..17412..836567..23984724896531.5.2.74.6.6.514728 | 297481653538769142146352879389645217412978365675123984724896531851237496963514728 | Basic 9x9 Sudoku 2648 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 2 9 7 . 8 1 6 . 3
5 3 8 . 6 9 1 . .
1 4 6 3 5 2 8 7 9
3 8 9 6 4 . . 1 7
4 1 2 . . 8 3 6 5
6 7 . . 2 3 9 8 4
7 2 4 8 9 6 5 3 1
. 5 . 2 . 7 4 . 6
. 6 . 5 1 4 7 2 8 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_132 | 54..97.61..9526847..614.95275.38..269.47125.823865.179123.6.7...9.47...3...2.1695 | 542897361319526847876143952751389426964712538238654179123965784695478213487231695 | 9hLjJRdRpd | sudoku_ctc_151_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits along thermometers increase from the bulb end. Cells separated by a white dot contain consecutive digits. Cells separated by a black dot contain digits in a 1:2 ra... | 5 4 . . 9 7 . 6 1
. . 9 5 2 6 8 4 7
. . 6 1 4 . 9 5 2
7 5 . 3 8 . . 2 6
9 . 4 7 1 2 5 . 8
2 3 8 6 5 . 1 7 9
1 2 3 . 6 . 7 . .
. 9 . 4 7 . . . 3
. . . 2 . 1 6 9 5 | 9 | 9 | - line, color: lightgray, coords: r2c5 r2c4 r3c3 r3c2 r3c1
- line, color: lightgray, coords: r2c8 r3c8 r4c9 r5c9 r6c9
- line, color: lightgray, coords: r7c1 r7c2 r7c3 r8c4 r8c5 r8c6
- line, color: lightgray, coords: r6c1 r6c2 r5c3 r5c4 r4c5 r4c6
- shape: circle, color: lightgray, location: r2c5
- shape: circle, color: ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_136 | .....34......413 | 4231134231242413 | Basic 4x4 Sudoku 136 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . . .
. 3 4 .
. . . .
. 4 1 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_378 | 2...934..78.2463..43.857..65..96.8.496..8571.8.4..2695.28.795436.532..7.39.5142.8 | 256193487789246351431857926572961834963485712814732695128679543645328179397514268 | sxsm_Nurator_561e1e222dbd5dba91a2cd471bd4f484 | sudoku_ctc_430_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\nDigits in cages cannot repeat and their digits sum to the total given in the leftmost cell of its top row.\nThe grid is covered by fog. Putting in correct digits will l... | 2 . . . 9 3 4 . .
7 8 . 2 4 6 3 . .
4 3 . 8 5 7 . . 6
5 . . 9 6 . 8 . 4
9 6 . . 8 5 7 1 .
8 . 4 . . 2 6 9 5
. 2 8 . 7 9 5 4 3
6 . 5 3 2 . . 7 .
3 9 . 5 1 4 2 . 8 | 9 | 9 | - killer cage (value 30): r8c8 r8c9 r9c8 r9c9
- killer cage (value 3): r7c1 r7c2
- killer cage (value 7): r1c7 r2c7
- killer cage (value 18): r6c8 r6c9 r7c8
- killer cage (value 45): r4c6 r4c7 r4c8 r4c9 r5c6 r6c6 r6c7 r7c5 r7c6
- killer cage (value 42): r3c5 r3c6 r3c7 r4c5 r5c4 r5c5 r6c5
- killer cage (value 12): r4c3 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_854 | .2.3....14...3.. | 4213312414322341 | Basic 4x4 Sudoku 854 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 2 . 3
. . . .
1 4 . .
. 3 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1562 | ......124....2.4 | 2143341243211234 | Basic 4x4 Sudoku 1562 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . . .
. . 1 2
4 . . .
. 2 . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_642 | .9.3.8.4728..1.36543527689.529.61.733.4.251.9871439526658.92.34943.876127.264395. | 196358247287914365435276891529861473364725189871439526658192734943587612712643958 | Basic 9x9 Sudoku 642 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . 9 . 3 . 8 . 4 7
2 8 . . 1 . 3 6 5
4 3 5 2 7 6 8 9 .
5 2 9 . 6 1 . 7 3
3 . 4 . 2 5 1 . 9
8 7 1 4 3 9 5 2 6
6 5 8 . 9 2 . 3 4
9 4 3 . 8 7 6 1 2
7 . 2 6 4 3 9 5 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_712 | .4.32314..3..2.. | 1423231441323241 | Basic 4x4 Sudoku 712 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 4 . 3
2 3 1 4
. . 3 .
. 2 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_4962 | 895.7234632..9..1516.534298.46..3.819.8.21.5775196..23612.895.44.3.1586...964.13. | 895172346324896715167534298246753981938421657751968423612389574473215869589647132 | Basic 9x9 Sudoku 4962 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 8 9 5 . 7 2 3 4 6
3 2 . . 9 . . 1 5
1 6 . 5 3 4 2 9 8
. 4 6 . . 3 . 8 1
9 . 8 . 2 1 . 5 7
7 5 1 9 6 . . 2 3
6 1 2 . 8 9 5 . 4
4 . 3 . 1 5 8 6 .
. . 9 6 4 . 1 3 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1487 | .1.3.3....2..... | 2143431234211234 | Basic 4x4 Sudoku 1487 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 . 3
. 3 . .
. . 2 .
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_991 | 3.4182..66183.92.497..4.3.872.8.546....23.1974..76182.163.58.4224761.5.9.95427..1 | 354182976618379254972546318721895463586234197439761825163958742247613589895427631 | Basic 9x9 Sudoku 991 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 3 . 4 1 8 2 . . 6
6 1 8 3 . 9 2 . 4
9 7 . . 4 . 3 . 8
7 2 . 8 . 5 4 6 .
. . . 2 3 . 1 9 7
4 . . 7 6 1 8 2 .
1 6 3 . 5 8 . 4 2
2 4 7 6 1 . 5 . 9
. 9 5 4 2 7 . . 1 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_275 | 685.321977.41.6.351.3.97648.7...845.34825976195176.8235678.39144.96.53.....94157. | 685432197794186235123597648276318459348259761951764823567823914419675382832941576 | f8ndB28nDT | sudoku_ctc_316_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Draw a one-cell wide snake, which starts in Box 5 and ends in Box 9, that moves orthogonally through the center of cells. The snake is not allowed to branch, intersect wi... | 6 8 5 . 3 2 1 9 7
7 . 4 1 . 6 . 3 5
1 . 3 . 9 7 6 4 8
. 7 . . . 8 4 5 .
3 4 8 2 5 9 7 6 1
9 5 1 7 6 . 8 2 3
5 6 7 8 . 3 9 1 4
4 . 9 6 . 5 3 . .
. . . 9 4 1 5 7 . | 9 | 9 | - shape: circle, color: black (stroke color: white), location: between r3c1 and r3c2
- shape: circle, color: black (stroke color: white), location: between r3c1 and r4c1
- shape: circle, color: black (stroke color: white), location: between r3c3 and r4c3
- shape: circle, color: black (stroke color: white), location: be... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_234 | 34956127.12.4.8596.5.7.913.97..4638541837.962563.82417234.178.969.8547237.529.64. | 349561278127438596856729134972146385418375962563982417234617859691854723785293641 | JhrhQh9G3M | sudoku_ctc_268_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Neighbouring digits along a green line must have a difference of at least 5. Cells along a purple line must be a set of consecutive digits in any order. Cages read as 6, ... | 3 4 9 5 6 1 2 7 .
1 2 . 4 . 8 5 9 6
. 5 . 7 . 9 1 3 .
9 7 . . 4 6 3 8 5
4 1 8 3 7 . 9 6 2
5 6 3 . 8 2 4 1 7
2 3 4 . 1 7 8 . 9
6 9 . 8 5 4 7 2 3
7 . 5 2 9 . 6 4 . | 9 | 9 | - killer cage: r3c3
- killer cage: r5c3
- killer cage: r7c1 r8c1
- killer cage: r6c8 r6c9
- line, color: mediumorchid, coords: r2c2 r2c1 r1c1 r1c2
- line, color: mediumorchid, coords: r2c8 r1c8 r1c9 r2c9
- line, color: mediumorchid, coords: r8c8 r8c9 r9c9 r9c8
- line, color: mediumorchid, coords: r8c2 r9c2 r9c1 r8c1
- ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_513 | 3.1...3....1.4.. | 3214413223411423 | Basic 4x4 Sudoku 513 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 3 . 1 .
. . 3 .
. . . 1
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1640 | 2.3..4.143.....3 | 2134342143121243 | Basic 4x4 Sudoku 1640 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 2 . 3 .
. 4 . 1
4 3 . .
. . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_1285 | 23.89...4149.6572.5.7124639624.18.573154.69.2.7.25314.89173.4.5453.8.27.7.2541893 | 236897514149365728587124639624918357315476982978253146891732465453689271762541893 | Basic 9x9 Sudoku 1285 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 2 3 . 8 9 . . . 4
1 4 9 . 6 5 7 2 .
5 . 7 1 2 4 6 3 9
6 2 4 . 1 8 . 5 7
3 1 5 4 . 6 9 . 2
. 7 . 2 5 3 1 4 .
8 9 1 7 3 . 4 . 5
4 5 3 . 8 . 2 7 .
7 . 2 5 4 1 8 9 3 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_2593 | ..34.2195562.3974849.58.623.2..945..3.67..4.914965837.917....56...91.23.2.58.6914 | 873462195562139748491587623728394561356721489149658372917243856684915237235876914 | Basic 9x9 Sudoku 2593 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . . 3 4 . 2 1 9 5
5 6 2 . 3 9 7 4 8
4 9 . 5 8 . 6 2 3
. 2 . . 9 4 5 . .
3 . 6 7 . . 4 . 9
1 4 9 6 5 8 3 7 .
9 1 7 . . . . 5 6
. . . 9 1 . 2 3 .
2 . 5 8 . 6 9 1 4 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_109 | 918745623.57693.4..4.1829751329...8787931456..6427831.3814.9756.95861.344265...91 | 918745623257693148643182975132956487879314562564278319381429756795861234426537891 | sxsm_SandraNala_04e9b60ff7adb3fe43716e1bc5e33e54 | sudoku_ctc_127_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\nThe sum of the digits along a \u201edouble arrow\u201c is equal to the sum of the digits in circles attached to either end of the line. Each double arrow has its own ... | 9 1 8 7 4 5 6 2 3
. 5 7 6 9 3 . 4 .
. 4 . 1 8 2 9 7 5
1 3 2 9 . . . 8 7
8 7 9 3 1 4 5 6 .
. 6 4 2 7 8 3 1 .
3 8 1 4 . 9 7 5 6
. 9 5 8 6 1 . 3 4
4 2 6 5 . . . 9 1 | 9 | 9 | - killer cage (value 22): r5c2 r5c4 r6c2 r6c3 r6c4
- killer cage: r1c3 r1c4 r1c5 r2c5 r2c6 r3c6 r4c5 r4c6 r5c5
- killer cage: r1c7 r2c7 r3c7 r4c7 r5c7 r6c5 r6c6 r6c7 r7c5
- killer cage (value 6): r3c3 r3c4 r4c3
- killer cage (value 8): r1c2 r2c1 r2c2
- killer cage (value 13): r8c3 r9c2 r9c3
- line, color: darkseagreen,... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_146 | 5..841736..352..41.179632.862537..94934615.2...1.92563.5..3468.37.2.6419246189.75 | 592841736863527941417963258625378194934615827781492563159734682378256419246189375 | Basic 9x9 Sudoku 146 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 5 . . 8 4 1 7 3 6
. . 3 5 2 . . 4 1
. 1 7 9 6 3 2 . 8
6 2 5 3 7 . . 9 4
9 3 4 6 1 5 . 2 .
. . 1 . 9 2 5 6 3
. 5 . . 3 4 6 8 .
3 7 . 2 . 6 4 1 9
2 4 6 1 8 9 . 7 5 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_3840 | 423.7691.5..341.8616.95.47...952..61...68759..5.139..7.357..12.27149365.846215..9 | 423876915597341286168952473789524361314687592652139847935768124271493658846215739 | Basic 9x9 Sudoku 3840 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 4 2 3 . 7 6 9 1 .
5 . . 3 4 1 . 8 6
1 6 . 9 5 . 4 7 .
. . 9 5 2 . . 6 1
. . . 6 8 7 5 9 .
. 5 . 1 3 9 . . 7
. 3 5 7 . . 1 2 .
2 7 1 4 9 3 6 5 .
8 4 6 2 1 5 . . 9 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_120 | 3156.8.74..87.2135724.31.8.583.27691642.197581.985642.457.63819.96.7.342231984567 | 315698274968742135724531986583427691642319758179856423457263819896175342231984567 | penpacfdfa4663cfc474a6c00a555b3c6b4b7 | sudoku_ctc_138_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\u2022 Four yellow killer cages are hiding in the fog. Enter correct digits to clear the nearby fog. No guessing is necessary (or allowed!)\n\u2022 Digits in a killer c... | 3 1 5 6 . 8 . 7 4
. . 8 7 . 2 1 3 5
7 2 4 . 3 1 . 8 .
5 8 3 . 2 7 6 9 1
6 4 2 . 1 9 7 5 8
1 . 9 8 5 6 4 2 .
4 5 7 . 6 3 8 1 9
. 9 6 . 7 . 3 4 2
2 3 1 9 8 4 5 6 7 | 9 | 9 | - killer cage (value 29): r2c5 r3c3 r3c5 r4c3 r4c4 r4c5 r5c2 r5c3 r5c4
- killer cage (value 5): r1c7 r2c6 r2c7
- killer cage (value 131): r3c1 r4c1 r4c6 r4c7 r5c1 r5c7 r6c1 r6c2 r6c5 r6c6 r6c7 r6c8 r7c1 r7c2 r7c3 r7c4 r7c5 r8c3 r8c5 r8c6 r8c8 r9c6 r9c7 r9c8 r9c9
- killer cage (value 1): r4c9
- line, color: silver, coor... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_6091 | 97.13.6.4.864.973.53.6278194.75.23.1.6187..9.35..41267.19...543625.941...4371.926 | 972138654186459732534627819497562381261873495358941267719286543625394178843715926 | Basic 9x9 Sudoku 6091 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 9 7 . 1 3 . 6 . 4
. 8 6 4 . 9 7 3 .
5 3 . 6 2 7 8 1 9
4 . 7 5 . 2 3 . 1
. 6 1 8 7 . . 9 .
3 5 . . 4 1 2 6 7
. 1 9 . . . 5 4 3
6 2 5 . 9 4 1 . .
. 4 3 7 1 . 9 2 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_221 | .146852375283971.4637421859.59.637.22.3978..67.125439817.5429833.281...54857.962. | 914685237528397164637421859859163742243978516761254398176542983392816475485739621 | fpuzzlea988ee80655b386b2bc96581a3dee289 | sudoku_ctc_253_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\nThe following standard constraints apply: Dutch whisper, German whisper, Parity line, Ten line, Kropki, and XV. detailed rules below.\n\nStage Rules:\n\n1. Paths and ... | . 1 4 6 8 5 2 3 7
5 2 8 3 9 7 1 . 4
6 3 7 4 2 1 8 5 9
. 5 9 . 6 3 7 . 2
2 . 3 9 7 8 . . 6
7 . 1 2 5 4 3 9 8
1 7 . 5 4 2 9 8 3
3 . 2 8 1 . . . 5
4 8 5 7 . 9 6 2 . | 9 | 9 | - line, color: yellow, coords: r2c1 r1c2 r2c3 r2c4 r2c5 r1c6 r2c7 r3c8 r3c9
- line, color: lime, coords: r4c1 r3c2 r4c3 r4c4 r4c5 r3c6 r4c7 r5c8 r5c9
- line, color: red, coords: r6c1 r5c2 r6c3 r6c4 r6c5 r5c6 r6c7 r7c8 r7c9
- line, color: darkgray, coords: r8c1 r7c2 r8c3 r8c4 r8c5 r7c6 r8c7 r9c8 r9c9
- shape: circle, co... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_682 | .14.34.2.32....4 | 2143341243211234 | Basic 4x4 Sudoku 682 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 4 .
3 4 . 2
. 3 2 .
. . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_318 | 3981..7.24..2..3..26..73549..49312757134259..952..8134839612.57..6.4789114758.6.. | 398154762475296318261873549684931275713425986952768134839612457526347891147589623 | sxsm_SparkNights_883151d791c2aa5c1b336300cf817dd4 | sudoku_ctc_362_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\nAlong a thermometer, digits must increase from the bulb end. Digits cannot repeat in a cage and must sum to a number (in the circle) at the cage's top left corner.\nA d... | 3 9 8 1 . . 7 . 2
4 . . 2 . . 3 . .
2 6 . . 7 3 5 4 9
. . 4 9 3 1 2 7 5
7 1 3 4 2 5 9 . .
9 5 2 . . 8 1 3 4
8 3 9 6 1 2 . 5 7
. . 6 . 4 7 8 9 1
1 4 7 5 8 . 6 . . | 9 | 9 | - killer cage: r1c1 r2c1
- killer cage: r1c2
- killer cage: r1c3 r1c4
- killer cage: r1c5 r1c6 r1c7 r1c8 r2c7 r2c8 r2c9 r3c9
- killer cage: r2c4 r2c5 r2c6
- killer cage: r3c1 r3c2 r3c3
- killer cage: r3c4 r3c5 r4c4 r4c5
- killer cage: r3c6 r4c6 r5c6
- killer cage: r3c7 r3c8
- killer cage: r4c7 r4c8 r5c7 r5c8 r5c9 r6c8 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_922 | 19738452.36295174.4856.231.7.14.3.828..26.1.7.26.174..519......64...92.527..4896. | 197384526362951748485672319751493682834265197926817453519726834648139275273548961 | Basic 9x9 Sudoku 922 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 1 9 7 3 8 4 5 2 .
3 6 2 9 5 1 7 4 .
4 8 5 6 . 2 3 1 .
7 . 1 4 . 3 . 8 2
8 . . 2 6 . 1 . 7
. 2 6 . 1 7 4 . .
5 1 9 . . . . . .
6 4 . . . 9 2 . 5
2 7 . . 4 8 9 6 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_204 | 72.31589.39128657456894.1.243687291515...34878...54263..34..759947.386.121.76934. | 724315896391286574568947132436872915152693487879154263683421759947538621215769348 | GM9HHd6Pqh | sudoku_ctc_234_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Along a line, the sum of digits on the line is the same in each region the line passes through. The sum may be different for different lines." | 7 2 . 3 1 5 8 9 .
3 9 1 2 8 6 5 7 4
5 6 8 9 4 . 1 . 2
4 3 6 8 7 2 9 1 5
1 5 . . . 3 4 8 7
8 . . . 5 4 2 6 3
. . 3 4 . . 7 5 9
9 4 7 . 3 8 6 . 1
2 1 . 7 6 9 3 4 . | 9 | 9 | - line, color: mediumturquoise, coords: r2c1 r1c1 r1c2 r1c3 r2c3 r3c4 r2c5
- line, color: mediumturquoise, coords: r4c6 r5c6 r5c7 r4c8 r3c8 r3c9
- line, color: mediumturquoise, coords: r5c9 r6c9 r7c9 r8c9
- line, color: mediumturquoise, coords: r5c8 r6c8 r7c8 r8c8 r9c8 r9c7 r8c6 r8c5 r7c5 r7c6
- line, color: mediumturq... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_4021 | 36.74...182..93764749162.5.58.234.199.48563.263.91.4852.847.1.61.36295.845..81.9. | 365748921821593764749162853587234619914856372632917485298475136173629548456381297 | Basic 9x9 Sudoku 4021 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 3 6 . 7 4 . . . 1
8 2 . . 9 3 7 6 4
7 4 9 1 6 2 . 5 .
5 8 . 2 3 4 . 1 9
9 . 4 8 5 6 3 . 2
6 3 . 9 1 . 4 8 5
2 . 8 4 7 . 1 . 6
1 . 3 6 2 9 5 . 8
4 5 . . 8 1 . 9 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1500 | .1.3..1.4.....3. | 2143341243211234 | Basic 4x4 Sudoku 1500 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 . 3
. . 1 .
4 . . .
. . 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_244 | 357912.84....4.59749.....21.8.5.72.99.4261.535328.4..67453.69.8...1794651..4.5.3. | 357912684218643597496758321681537249974261853532894176745326918823179465169485732 | g2DNj8FHm2 | sudoku_ctc_281_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits may not repeat on the marked diagonal. Digits in a cage do not repeat and sum to the small number in the top left corner of the cage." | 3 5 7 9 1 2 . 8 4
. . . . 4 . 5 9 7
4 9 . . . . . 2 1
. 8 . 5 . 7 2 . 9
9 . 4 2 6 1 . 5 3
5 3 2 8 . 4 . . 6
7 4 5 3 . 6 9 . 8
. . . 1 7 9 4 6 5
1 . . 4 . 5 . 3 . | 9 | 9 | - killer cage (value 15): r4c3 r4c4 r4c5 r5c3 r6c3
- killer cage (value 16): r5c6 r6c6 r7c4 r7c5 r7c6
- killer cage (value 15): r7c1 r8c1
- killer cage (value 15): r9c2 r9c3
- killer cage (value 15): r8c5 r9c5
- killer cage (value 16): r5c1 r5c2
- killer cage (value 5): r9c8 r9c9
- killer cage (value 5): r1c1 r2c1
- ki... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1660 | 41.......2...4.1 | 4132231412433421 | Basic 4x4 Sudoku 1660 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 4 1 . .
. . . .
. 2 . .
. 4 . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_454 | 9.834.67...16..4.5.64..8..35.6.3.7183298..56418746.329...58.947473916852.957.41.. | 958342671231697485764158293546239718329871564187465329612583947473916852895724136 | Basic 9x9 Sudoku 454 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 9 . 8 3 4 . 6 7 .
. . 1 6 . . 4 . 5
. 6 4 . . 8 . . 3
5 . 6 . 3 . 7 1 8
3 2 9 8 . . 5 6 4
1 8 7 4 6 . 3 2 9
. . . 5 8 . 9 4 7
4 7 3 9 1 6 8 5 2
. 9 5 7 . 4 1 . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_273 | .451863973674295.1198.35624.3.5.2148.8691427..123789.59248.173.853.97..26..2.38.9 | 245186397367429581198735624739562148586914273412378965924851736853697412671243859 | sxsm_KennetsDad_f786534e358a296d774fe8c4090839cb | sudoku_ctc_314_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n-The sum of digits along a line between two circles is equal to the sum of the digits in those two circles (ie Double arrows).\n-An X in the center of a 2x2 region of c... | . 4 5 1 8 6 3 9 7
3 6 7 4 2 9 5 . 1
1 9 8 . 3 5 6 2 4
. 3 . 5 . 2 1 4 8
. 8 6 9 1 4 2 7 .
. 1 2 3 7 8 9 . 5
9 2 4 8 . 1 7 3 .
8 5 3 . 9 7 . . 2
6 . . 2 . 3 8 . 9 | 9 | 9 | - line, color: darkgray, coords: r6c3 r7c3 r7c2
- line, color: darkgray, coords: r7c5 r7c4 r6c4 r5c4 r5c3 r4c3 r4c2 r5c2 r5c1
- line, color: darkgray, coords: r4c6 r5c6 r5c7
- line, color: darkgray, coords: r3c9 r4c9 r4c8 r5c8 r5c9
- line, color: darkgray, coords: r9c6 r8c6 r8c7 r7c7 r7c8
- line, color: darkgray, coord... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_6017 | 4139672.55894.2176.7615.93..526934.8634.15..9891.24...1285463973.527..4..47381562 | 413967285589432176276158934752693418634815729891724653128546397365279841947381562 | Basic 9x9 Sudoku 6017 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 4 1 3 9 6 7 2 . 5
5 8 9 4 . 2 1 7 6
. 7 6 1 5 . 9 3 .
. 5 2 6 9 3 4 . 8
6 3 4 . 1 5 . . 9
8 9 1 . 2 4 . . .
1 2 8 5 4 6 3 9 7
3 . 5 2 7 . . 4 .
. 4 7 3 8 1 5 6 2 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1378 | 1.4......2.4.... | 1342243132144123 | Basic 4x4 Sudoku 1378 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 1 . 4 .
. . . .
. 2 . 4
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_122 | ..2..43......34. | 3124243142131342 | Basic 4x4 Sudoku 122 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 2 .
. 4 3 .
. . . .
. 3 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_348 | 3678251948259...734..7.68.56.3572419592.8136.17469358..51248.367.6.5924824836795. | 367825194825914673419736825683572419592481367174693582951248736736159248248367951 | pTDBf2QF42 | sudoku_ctc_396_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Cells separated by a black dot have a ratio of 2:1. Digit X in box Y and digit Y in box X are always in the same position. " | 3 6 7 8 2 5 1 9 4
8 2 5 9 . . . 7 3
4 . . 7 . 6 8 . 5
6 . 3 5 7 2 4 1 9
5 9 2 . 8 1 3 6 .
1 7 4 6 9 3 5 8 .
. 5 1 2 4 8 . 3 6
7 . 6 . 5 9 2 4 8
2 4 8 3 6 7 9 5 . | 9 | 9 | - shape: circle, color: black, location: between r7c3 and r7c4
- shape: circle, color: black, location: between r7c5 and r7c6
- shape: circle, color: black, location: between r7c8 and r7c9
- shape: circle, color: black, location: between r3c8 and r4c8
- shape: circle, color: black, location: between r4c6 and r5c6
- sha... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_186 | 4.1698.2.623.749.18792.35.45.218.639938.6.17.716935.48.957.68122.73514.6164829.53 | 451698327623574981879213564542187639938462175716935248395746812287351496164829753 | sxsm_gdc_756035c5de4bdc6114157f91dc9e6a48 | sudoku_ctc_209_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\ud835\uddd9\ud835\uddfc\ud835\uddf4 \ud835\udde2\ud835\uddf3 \ud835\uddea\ud835\uddee\ud835\uddff: The grid is covered in fog. Placing correct digits reveals clues in ... | 4 . 1 6 9 8 . 2 .
6 2 3 . 7 4 9 . 1
8 7 9 2 . 3 5 . 4
5 . 2 1 8 . 6 3 9
9 3 8 . 6 . 1 7 .
7 1 6 9 3 5 . 4 8
. 9 5 7 . 6 8 1 2
2 . 7 3 5 1 4 . 6
1 6 4 8 2 9 . 5 3 | 9 | 9 | - shape: circle, color: white (stroke color: plum), location: r6c6
- shape: circle, color: white (stroke color: plum), location: r5c5
- shape: circle, color: white (stroke color: plum), location: r4c5
- shape: circle, color: white (stroke color: plum), location: r5c8
- shape: circle, color: white (stroke color: plum), ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_390 | ..3.43..3...142. | 2134431232411423 | Basic 4x4 Sudoku 390 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 3 .
4 3 . .
3 . . .
1 4 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_2121 | ..137..86.73.2651.82...539..95...6421.2..3758768.54139..473192..37942.6121956..73 | 451379286973826514826415397395187642142693758768254139684731925537942861219568473 | Basic 9x9 Sudoku 2121 | puzzles2_17_clue | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . . 1 3 7 . . 8 6
. 7 3 . 2 6 5 1 .
8 2 . . . 5 3 9 .
. 9 5 . . . 6 4 2
1 . 2 . . 3 7 5 8
7 6 8 . 5 4 1 3 9
. . 4 7 3 1 9 2 .
. 3 7 9 4 2 . 6 1
2 1 9 5 6 . . 7 3 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_608 | 623719854.5842...1.715.69235.236..793169.748289...16357841352962.967.518.658923.7 | 623719854958423761471586923542368179316957482897241635784135296239674518165892347 | Basic 9x9 Sudoku 608 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 6 2 3 7 1 9 8 5 4
. 5 8 4 2 . . . 1
. 7 1 5 . 6 9 2 3
5 . 2 3 6 . . 7 9
3 1 6 9 . 7 4 8 2
8 9 . . . 1 6 3 5
7 8 4 1 3 5 2 9 6
2 . 9 6 7 . 5 1 8
. 6 5 8 9 2 3 . 7 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1377 | ......143.4.1..3 | 4132231432411423 | Basic 4x4 Sudoku 1377 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . . .
. . 1 4
3 . 4 .
1 . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1255 | .341.4..32....32 | 2341142332144132 | Basic 4x4 Sudoku 1255 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 3 4 1
. 4 . .
3 2 . .
. . 3 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_146 | 3.472.18.8.5.6194717..45.63547.826.1..1.3..7...617485279361.524..8.9371661.45739. | 364729185825361947179845263547982631281536479936174852793618524458293716612457398 | sxsm_LithiumIon_9e2494cddaee423da32809fcc0075e48 | sudoku_ctc_165_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Cells that are a knight's move away are not allowed to contain identical digits. Both digits (which can be equal) on the endpoints of a line form a look-and-say clue. For... | 3 . 4 7 2 . 1 8 .
8 . 5 . 6 1 9 4 7
1 7 . . 4 5 . 6 3
5 4 7 . 8 2 6 . 1
. . 1 . 3 . . 7 .
. . 6 1 7 4 8 5 2
7 9 3 6 1 . 5 2 4
. . 8 . 9 3 7 1 6
6 1 . 4 5 7 3 9 . | 9 | 9 | - line, color: darkcyan, coords: r4c4 r3c3 r3c2 r3c1 r4c1 r5c1 r6c1 r7c1 r7c2 r7c3 r8c4 r8c5 r8c6 r8c7 r9c8 r8c9 r7c9 r6c9 r5c9 r4c8 r3c7 r2c7 r1c6
- line, color: cornflowerblue, coords: r1c5 r2c6 r1c7
- line, color: chocolate, coords: r1c4 r2c3 r2c2 r2c1 r3c2 r4c3 r5c2 r6c2 r7c1 r8c1 r8c2 r8c3 r9c3 r9c4 r9c5 r9c6 r9c7... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1010 | 1.3..31..2...12. | 1432231432414123 | Basic 4x4 Sudoku 1010 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 1 . 3 .
. 3 1 .
. 2 . .
. 1 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1545 | .13......21..4.. | 4132234132141423 | Basic 4x4 Sudoku 1545 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 3 .
. . . .
. 2 1 .
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_6200 | 8.6.3.9423.2961.87.97..8.6.7586.3..112.7..63963.41.75.473.26.9..6185.374.85.74.16 | 816537942342961587597248163758693421124785639639412758473126895261859374985374216 | Basic 9x9 Sudoku 6200 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 8 . 6 . 3 . 9 4 2
3 . 2 9 6 1 . 8 7
. 9 7 . . 8 . 6 .
7 5 8 6 . 3 . . 1
1 2 . 7 . . 6 3 9
6 3 . 4 1 . 7 5 .
4 7 3 . 2 6 . 9 .
. 6 1 8 5 . 3 7 4
. 8 5 . 7 4 . 1 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_343 | 39...178.2.697..1.1782356...19427.634573.612.6....9.47731..24.658276...19641532.. | 395641782246978315178235694819427563457386129623519847731892456582764931964153278 | sxsm_MartySearsandDorlir_eb9740187af0c1d906d36fcf5762a2ae | sudoku_ctc_391_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\u2022 Draw a snake that starts and ends at a purple spot and has a purple spot exactly at its centre. The snake can only move orthogonally from cell to cell, and may n... | 3 9 . . . 1 7 8 .
2 . 6 9 7 . . 1 .
1 7 8 2 3 5 6 . .
. 1 9 4 2 7 . 6 3
4 5 7 3 . 6 1 2 .
6 . . . . 9 . 4 7
7 3 1 . . 2 4 . 6
5 8 2 7 6 . . . 1
9 6 4 1 5 3 2 . . | 9 | 9 | - shape: circle, color: mediumorchid, location: r2c1
- shape: circle, color: mediumorchid, location: r1c4
- shape: circle, color: mediumorchid, location: r9c9
- text: X, shape: circle, color: white, location: between r8c5 and r8c6
- text: V, shape: circle, color: white, location: between r6c2 and r6c3
- text: X, shape:... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_303 | .463155.3..2..5.6.4.2.316241533.142. | 246315513642135264462531624153351426 | sxsm_KennetsDad_5e5e357addd45f380b76a0219e7e5dd4 | sudoku_ctc_347_original | Each row, column, and 2×3 subgrid must contain all digits from 1 to 6 exactly once. Digits cannot be repeated within any row, column, or 2×3 subgrid.
Orthogonally adjacent digits cannot be consecutive. Digits along a line form a set of non-repeating, consecutive digits in any order. The sum of the digits along a diagon... | . 4 6 3 1 5
5 . 3 . . 2
. . 5 . 6 .
4 . 2 . 3 1
6 2 4 1 5 3
3 . 1 4 2 . | 6 | 6 | - line, color: violet, coords: r1c1 r1c2 r2c3
- line, color: violet, coords: r2c5 r2c4 r3c3
- line, color: violet, coords: r5c3 r6c2
- diagonal arrow, color: black, in location: r0c3, pointing lower right
- diagonal arrow, color: black, in location: r4c0, pointing lower right | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_5172 | 917.46382.5812349743.879.162.541.639.6..571..1496.2.5872438.....86....43.9..6487. | 917546382658123497432879516275418639863957124149632758724385961586791243391264875 | Basic 9x9 Sudoku 5172 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 9 1 7 . 4 6 3 8 2
. 5 8 1 2 3 4 9 7
4 3 . 8 7 9 . 1 6
2 . 5 4 1 . 6 3 9
. 6 . . 5 7 1 . .
1 4 9 6 . 2 . 5 8
7 2 4 3 8 . . . .
. 8 6 . . . . 4 3
. 9 . . 6 4 8 7 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_523 | 1.2....1.314.... | 1423324123144132 | Basic 4x4 Sudoku 523 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 1 . 2 .
. . . 1
. 3 1 4
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_175 | 2.31...4..1.134. | 2431312442131342 | Basic 4x4 Sudoku 175 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 2 . 3 1
. . . 4
. . 1 .
1 3 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_396 | 21..4..39736289.15.8...5276342.78961597..23.8861.34.27.5372.6.4.7845.1.2124..67.. | 215647839736289415489315276342578961597162348861934527953721684678453192124896753 | penpa9417efc927723fd3bca219a3021823d4 | sudoku_ctc_449_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\n\nShade some cells so that the unshaded cells form a single orthogonally connected area, and each connected shaded region touches the grid boundary.\n\nA circle is alwa... | 2 1 . . 4 . . 3 9
7 3 6 2 8 9 . 1 5
. 8 . . . 5 2 7 6
3 4 2 . 7 8 9 6 1
5 9 7 . . 2 3 . 8
8 6 1 . 3 4 . 2 7
. 5 3 7 2 . 6 . 4
. 7 8 4 5 . 1 . 2
1 2 4 . . 6 7 . . | 9 | 9 | - shape: circle, color: white (stroke color: black), location: r1c5
- shape: circle, color: white (stroke color: black), location: r2c9
- shape: circle, color: white (stroke color: black), location: r4c6
- shape: circle, color: white (stroke color: black), location: r5c1
- shape: circle, color: white (stroke color: bla... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_78 | 546827..123.96.85..7815.6..35...12..8.72.9.6...457..93.85492.1.4..31..89193786542 | 546827931231964857978153624359641278817239465624578193785492316462315789193786542 | fpuzzle843d9b9be6561f216eba808378867a4e | sudoku_ctc_88_original | "Normal sudoku rules apply\n\nClones: Similarly colored blocks must contain the same digits in the same positions.\n\nKiller Cages: Digits in cages must not repeat and must sum to the number in the corner of the cage.\n\nNumbered Rooms: Clues outside the grid indicate the digit which has to be placed in the Nth cell in... | 5 4 6 8 2 7 . . 1
2 3 . 9 6 . 8 5 .
. 7 8 1 5 . 6 . .
3 5 . . . 1 2 . .
8 . 7 2 . 9 . 6 .
. . 4 5 7 . . 9 3
. 8 5 4 9 2 . 1 .
4 . . 3 1 . . 8 9
1 9 3 7 8 6 5 4 2 | 9 | 9 | - killer cage (value 15): r8c9 r9c8 r9c9
- killer cage (value 11): r1c1 r1c2 r2c1
- killer cage (value 14): r8c1 r9c1 r9c2
- killer cage (value 11): r1c8 r1c9 r2c9
- killer cage (value 11): r6c6 r6c7 r7c6
- killer cage (value 16): r3c4 r4c3 r4c4
- killer cage (value 14): r5c4 r6c4 r6c5
- killer cage (value 14): r4c5 r4... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1745 | 42......134.2.31 | 4213312413422431 | Basic 4x4 Sudoku 1745 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| 4 2 . .
. . . .
1 3 4 .
2 . 3 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_356 | 472318596.85479.12.13652.7.7589.6123.4..857692.673185416..2793.827.93.415.91642.7 | 472318596685479312913652478758946123341285769296731854164827935827593641539164287 | jfbnd2TR6H | sudoku_ctc_405_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits in cages cannot repeat and must sum to a prime number. (For the avoidance of doubt, 1 is not a prime number!)" | 4 7 2 3 1 8 5 9 6
. 8 5 4 7 9 . 1 2
. 1 3 6 5 2 . 7 .
7 5 8 9 . 6 1 2 3
. 4 . . 8 5 7 6 9
2 . 6 7 3 1 8 5 4
1 6 . . 2 7 9 3 .
8 2 7 . 9 3 . 4 1
5 . 9 1 6 4 2 . 7 | 9 | 9 | - killer cage: r9c2
- killer cage: r9c1
- killer cage: r8c4 r8c5 r8c6
- killer cage: r7c6 r7c7 r7c8
- killer cage: r7c9 r8c7 r8c8 r8c9 r9c9
- killer cage: r1c9 r2c9 r3c9 r4c9
- killer cage: r5c9 r6c9
- killer cage: r6c7 r6c8
- killer cage: r4c2
- killer cage: r4c1
- killer cage: r5c1
- killer cage: r6c1 r6c2 r6c3
- kil... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_259 | 31769542848631297559.87436.7.19.36.46.9.28153835.46.972.34..819968531..21742..5.6 | 317695428486312975592874361721953684649728153835146297253467819968531742174289536 | Basic 9x9 Sudoku 259 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 3 1 7 6 9 5 4 2 8
4 8 6 3 1 2 9 7 5
5 9 . 8 7 4 3 6 .
7 . 1 9 . 3 6 . 4
6 . 9 . 2 8 1 5 3
8 3 5 . 4 6 . 9 7
2 . 3 4 . . 8 1 9
9 6 8 5 3 1 . . 2
1 7 4 2 . . 5 . 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_206 | ..935..21.1.94.3.55...6.49.6.2189734.4163.9829..4725168.7....4.12.796853.95814.6. | 489357621216948375573261498652189734741635982938472516867523149124796853395814267 | Hj6T8LmbB9 | sudoku_ctc_236_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
\\n\\nGolden lines are Nabner lines and must not contain consecutive digits or repeat.\\n\\nDigits along an arrow sum to the digit in the circle.\\n\\nDigits separated by... | . . 9 3 5 . . 2 1
. 1 . 9 4 . 3 . 5
5 . . . 6 . 4 9 .
6 . 2 1 8 9 7 3 4
. 4 1 6 3 . 9 8 2
9 . . 4 7 2 5 1 6
8 . 7 . . . . 4 .
1 2 . 7 9 6 8 5 3
. 9 5 8 1 4 . 6 . | 9 | 9 | - line, color: gold, coords: r2c5 r2c6
- line, color: gold, coords: r2c7 r2c8 r2c9
- line, color: gold, coords: r3c1 r3c2 r3c3 r2c2 r1c3
- line, color: gold, coords: r4c4 r5c5 r5c6 r5c7
- line, color: gold, coords: r6c1 r5c1 r5c2
- line, color: gold, coords: r5c3 r6c3 r7c2
- line, color: gold, coords: r7c3 r7c4 r7c5
- ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_371 | 61.7.385.59..8263.43...6721.43267185....189..871.59.623298.154.18562.39776.93..18 | 612743859597182634438596721943267185256418973871359462329871546185624397764935218 | fpuzzle61b0445a32bd068987866d36a5e372db | sudoku_ctc_423_original | "- Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box.\n- Cages: Digits in cages cannot repeat and must sum to the value shown in the upper left corner of the cage.\n- Zipper Line: Along Zipper lines, pairs of digits equidistant from the center of the line have the same sum. For Zi... | 6 1 . 7 . 3 8 5 .
5 9 . . 8 2 6 3 .
4 3 . . . 6 7 2 1
. 4 3 2 6 7 1 8 5
. . . . 1 8 9 . .
8 7 1 . 5 9 . 6 2
3 2 9 8 . 1 5 4 .
1 8 5 6 2 . 3 9 7
7 6 . 9 3 . . 1 8 | 9 | 9 | - killer cage (value 12): r1c1 r1c2 r2c1
- killer cage (value 18): r1c8 r1c9 r2c9
- killer cage (value 14): r8c1 r9c1 r9c2
- killer cage (value 16): r8c9 r9c8 r9c9
- killer cage (value 18): r2c3 r3c2 r3c3
- killer cage (value 15): r2c7 r3c7 r3c8
- killer cage (value 16): r7c2 r7c3 r8c3
- killer cage (value 12): r7c7 r7... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1928 | ..1.....1.4..3.1 | 3412213412434321 | Basic 4x4 Sudoku 1928 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 1 .
. . . .
1 . 4 .
. 3 . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_40 | .41....343.1.1.. | 3412124343212134 | Basic 4x4 Sudoku 40 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 4 1 .
. . . 3
4 3 . 1
. 1 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_732 | ......231.4.2... | 3214412313422431 | Basic 4x4 Sudoku 732 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . . .
. . 2 3
1 . 4 .
2 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_588 | ..4..31.2....4.. | 1243431221343421 | Basic 4x4 Sudoku 588 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 4 .
. 3 1 .
2 . . .
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1181 | ..2..3411234.... | 4123234112343412 | Basic 4x4 Sudoku 1181 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . . 2 .
. 3 4 1
1 2 3 4
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_358 | 3.91248.5512..8493.64395.714..9.1.28.385..14..96.823.79.361.584.8.2.391.6.1.59..2 | 379124865512768493864395271457931628238576149196482357923617584785243916641859732 | RhdqgdNJJ8 | sudoku_ctc_407_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits in a cage sum to the number shown. A clue outside the grid shows the sum of the indicated diagonal. Digits cannot repeat on the 9-cell marked diagonal." | 3 . 9 1 2 4 8 . 5
5 1 2 . . 8 4 9 3
. 6 4 3 9 5 . 7 1
4 . . 9 . 1 . 2 8
. 3 8 5 . . 1 4 .
. 9 6 . 8 2 3 . 7
9 . 3 6 1 . 5 8 4
. 8 . 2 . 3 9 1 .
6 . 1 . 5 9 . . 2 | 9 | 9 | - killer cage (value 14): r1c2 r2c2 r3c2
- killer cage (value 12): r4c4 r4c5
- killer cage (value 10): r6c3 r6c4
- killer cage (value 10): r6c5 r6c6
- killer cage (value 10): r9c1 r9c2
- killer cage (value 12): r7c8 r8c8 r9c8
- killer cage (value 10): r7c9 r8c9
- text: 13, shape: circle, color: white, location: r0c5
- ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_21 | ..185467.4....213.68931724513.28.497.5.74681.84..935625.8639724.63..8.51794521386 | 321854679475962138689317245136285497952746813847193562518639724263478951794521386 | sxsm_SneakySteve_d90c5c211c7845680e2b1204ad901b6c | sudoku_ctc_23_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Place every digit from 1 to 9, once each, into every row, column, and 3x3 region.\n\nHot arrows: An orange arrow points toward a cell N distance away that has a value gre... | . . 1 8 5 4 6 7 .
4 . . . . 2 1 3 .
6 8 9 3 1 7 2 4 5
1 3 . 2 8 . 4 9 7
. 5 . 7 4 6 8 1 .
8 4 . . 9 3 5 6 2
5 . 8 6 3 9 7 2 4
. 6 3 . . 8 . 5 1
7 9 4 5 2 1 3 8 6 | 9 | 9 | - killer cage: r9c1 r8c2 r7c3 r6c4 r5c5 r4c6 r3c7 r2c8 r1c9 | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_358 | 379.2486551..68493.6439.271457...628238576.4919648..57...6..5.478524.916641859.32 | 379124865512768493864395271457931628238576149196482357923617584785243916641859732 | RhdqgdNJJ8 | sudoku_ctc_407_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits in a cage sum to the number shown. A clue outside the grid shows the sum of the indicated diagonal. Digits cannot repeat on the 9-cell marked diagonal." | 3 7 9 . 2 4 8 6 5
5 1 . . 6 8 4 9 3
. 6 4 3 9 . 2 7 1
4 5 7 . . . 6 2 8
2 3 8 5 7 6 . 4 9
1 9 6 4 8 . . 5 7
. . . 6 . . 5 . 4
7 8 5 2 4 . 9 1 6
6 4 1 8 5 9 . 3 2 | 9 | 9 | - killer cage (value 14): r1c2 r2c2 r3c2
- killer cage (value 12): r4c4 r4c5
- killer cage (value 10): r6c3 r6c4
- killer cage (value 10): r6c5 r6c6
- killer cage (value 10): r9c1 r9c2
- killer cage (value 12): r7c8 r8c8 r9c8
- killer cage (value 10): r7c9 r8c9
- text: 13, shape: circle, color: white, location: r0c5
- ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_5343 | .32581976.97.62.531.63..82.96.2..785.8..5..49574.9..313281465..6459273.87.9..5.62 | 432581976897462153156379824963214785281753649574698231328146597645927318719835462 | Basic 9x9 Sudoku 5343 | 01_file1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| . 3 2 5 8 1 9 7 6
. 9 7 . 6 2 . 5 3
1 . 6 3 . . 8 2 .
9 6 . 2 . . 7 8 5
. 8 . . 5 . . 4 9
5 7 4 . 9 . . 3 1
3 2 8 1 4 6 5 . .
6 4 5 9 2 7 3 . 8
7 . 9 . . 5 . 6 2 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1775 | .1...431...3..2. | 3142243142131324 | Basic 4x4 Sudoku 1775 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 . .
. 4 3 1
. . . 3
. . 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_197 | ..82..61.697581.23.21736985859172346263.5.791.14963.5818.394.723.58271.997.615834 | 538249617697581423421736985859172346263458791714963258186394572345827169972615834 | sxsm_LithiumIonandHolzana_c932e6c0609c4b3e8e99070fb2a1b5d4 | sudoku_ctc_226_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Adjacent digits along a green German whisper line must differ by at least 5. Both digits (which can be equal) on the endpoints of a green line form a look-and-say clue. I... | . . 8 2 . . 6 1 .
6 9 7 5 8 1 . 2 3
. 2 1 7 3 6 9 8 5
8 5 9 1 7 2 3 4 6
2 6 3 . 5 . 7 9 1
. 1 4 9 6 3 . 5 8
1 8 . 3 9 4 . 7 2
3 . 5 8 2 7 1 . 9
9 7 . 6 1 5 8 3 4 | 9 | 9 | - line, color: lightgreen, coords: r8c1 r7c2 r7c1 r6c1 r5c1 r4c1 r3c2 r2c2 r1c2 r1c3 r1c4
- line, color: lightgreen, coords: r1c5 r1c6 r2c7 r3c7 r4c8 r5c8 r5c9 r6c9 r7c9 r8c9 r9c9
- line, color: lightgreen, coords: r9c2 r9c3 r8c4 r8c5 r8c6 r8c7 r7c8 r6c7 r5c7 r4c6 r4c5 r4c4 r3c4 r3c3 r2c3
- line, color: lightgreen, coo... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_889 | .21.4..3..3.134. | 3214412324311342 | Basic 4x4 Sudoku 889 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 2 1 .
4 . . 3
. . 3 .
1 3 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_4078 | 54.2381..289.1635731.597842.513..279.2..6..18.74.216.5.358..96.4621.9..3.9.673524 | 547238196289416357316597842651384279923765418874921635735842961462159783198673524 | Basic 9x9 Sudoku 4078 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 5 4 . 2 3 8 1 . .
2 8 9 . 1 6 3 5 7
3 1 . 5 9 7 8 4 2
. 5 1 3 . . 2 7 9
. 2 . . 6 . . 1 8
. 7 4 . 2 1 6 . 5
. 3 5 8 . . 9 6 .
4 6 2 1 . 9 . . 3
. 9 . 6 7 3 5 2 4 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_354 | .2.35.849378...251.9518263.812.4.3...53.6.7847.48.....6475.391.5.1.784262896.4.73 | 126357849378496251495182637812749365953261784764835192647523918531978426289614573 | TRFJDDjmjt | sudoku_ctc_403_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
All cells in the grid can be divided into two orthogonally connected regions with no 2x2 square entirely in either region. Each cage contains one cell that is not like th... | . 2 . 3 5 . 8 4 9
3 7 8 . . . 2 5 1
. 9 5 1 8 2 6 3 .
8 1 2 . 4 . 3 . .
. 5 3 . 6 . 7 8 4
7 . 4 8 . . . . .
6 4 7 5 . 3 9 1 .
5 . 1 . 7 8 4 2 6
2 8 9 6 . 4 . 7 3 | 9 | 9 | - killer cage (value 16): r1c1 r1c2 r1c3 r2c1 r2c2 r3c1
- killer cage (value 3): r3c4 r4c3 r4c4
- killer cage (value 6): r4c5 r5c4 r5c5
- killer cage (value 4): r5c6 r6c5 r6c6
- killer cage (value 13): r2c3 r3c2 r3c3
- killer cage (value 15): r4c2 r5c1 r5c2 r5c3 r6c2
- killer cage (value 9): r6c3 r6c4 r7c4
- killer cag... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_191 | 2938547615.82.7.3.6..913.5.126439.8.73.6281.9.49.7..2698734.6..462..187.3517864.. | 293854761518267934674913258126439587735628149849175326987342615462591873351786492 | F8g2trpBQt | sudoku_ctc_215_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Digits along an arrow sum to the number in the attached circle. Digits joined by an X sum to 10." | 2 9 3 8 5 4 7 6 1
5 . 8 2 . 7 . 3 .
6 . . 9 1 3 . 5 .
1 2 6 4 3 9 . 8 .
7 3 . 6 2 8 1 . 9
. 4 9 . 7 . . 2 6
9 8 7 3 4 . 6 . .
4 6 2 . . 1 8 7 .
3 5 1 7 8 6 4 . . | 9 | 9 | - arrow, color: lightgray, coords (base to tip): r4c6 r3c5 r2c4 r1c3 r2c2 r1c1
- arrow, color: lightgray, coords (base to tip): r2c4 r3c3 r4c2
- arrow, color: lightgray, coords (base to tip): r4c6 r3c6 r2c5
- arrow, color: lightgray, coords (base to tip): r3c6 r3c7 r2c8 r1c9
- arrow, color: lightgray, coords (base to t... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_796 | 169.2.738.4....15.2573.16...362..9.14.16..52772819536..1.47289397..5.4.6.84.1627. | 169524738843769152257381649536247981491638527728195364615472893972853416384916275 | Basic 9x9 Sudoku 796 | puzzles1_unbiased | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 1 6 9 . 2 . 7 3 8
. 4 . . . . 1 5 .
2 5 7 3 . 1 6 . .
. 3 6 2 . . 9 . 1
4 . 1 6 . . 5 2 7
7 2 8 1 9 5 3 6 .
. 1 . 4 7 2 8 9 3
9 7 . . 5 . 4 . 6
. 8 4 . 1 6 2 7 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
4x4_sudoku_1795 | .1..3..424...34. | 4123321424311342 | Basic 4x4 Sudoku 1795 | Easy Sudoku | Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
| . 1 . .
3 . . 4
2 4 . .
. 3 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
sudoku_ctc_38 | 348.65..729.713..6.6...2539.2...836.5.7236984..345972..726.4153.56.214.8.3.587.92 | 348965217295713846761842539429178365517236984683459721872694153956321478134587692 | sxsm_LithiumIon_3b891f02080cd5323fa546ce82c918b4 | sudoku_ctc_42_original | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
Box borders divide blue lines into segments with the same sum. Different blue lines can have different sums. If two digits (called x and y) are (orthogonally or diagonall... | 3 4 8 . 6 5 . . 7
2 9 . 7 1 3 . . 6
. 6 . . . 2 5 3 9
. 2 . . . 8 3 6 .
5 . 7 2 3 6 9 8 4
. . 3 4 5 9 7 2 .
. 7 2 6 . 4 1 5 3
. 5 6 . 2 1 4 . 8
. 3 . 5 8 7 . 9 2 | 9 | 9 | - line, color: deepskyblue, coords: r8c3 r8c4 r8c5 r8c6
- line, color: deepskyblue, coords: r7c4 r6c4 r5c4
- line, color: deepskyblue, coords: r5c5 r5c6 r5c7
- line, color: deepskyblue, coords: r4c7 r3c6 r2c5
- line, color: deepskyblue, coords: r4c6 r4c5 r3c4 r2c4
- line, color: deepskyblue, coords: r1c5 r1c4 r1c3 r1c2... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_1924 | 2..9.413..9473.2.8.83.16.94.79862.516....78..5.8.9347.94.5217..357..8.1...2379645 | 265984137194735268783216594479862351631457829528193476946521783357648912812379645 | Basic 9x9 Sudoku 1924 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 2 . . 9 . 4 1 3 .
. 9 4 7 3 . 2 . 8
. 8 3 . 1 6 . 9 4
. 7 9 8 6 2 . 5 1
6 . . . . 7 8 . .
5 . 8 . 9 3 4 7 .
9 4 . 5 2 1 7 . .
3 5 7 . . 8 . 1 .
. . 2 3 7 9 6 4 5 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
normal_sudoku_6249 | 821.37.459.746.21..46..598778.291..6.....679.6.9574.2.4..7.9.5..728.3469..3642.71 | 821937645957468213346125987784291536215386794639574128468719352172853469593642871 | Basic 9x9 Sudoku 6249 | puzzles4_forum_hardest_1905 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid.
| 8 2 1 . 3 7 . 4 5
9 . 7 4 6 . 2 1 .
. 4 6 . . 5 9 8 7
7 8 . 2 9 1 . . 6
. . . . . 6 7 9 .
6 . 9 5 7 4 . 2 .
4 . . 7 . 9 . 5 .
. 7 2 8 . 3 4 6 9
. . 3 6 4 2 . 7 1 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation | easy |
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