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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
4x4_sudoku_easy_1 | 1..2.2..23.4.1.3 | 1432324123144123 | Basic 4x4 Sudoku 1614 | 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
. 2 . .
2 3 . 4
. 1 . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_2 | 4231.1...3.2..1. | 4231312413422413 | Basic 4x4 Sudoku 1981 | 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 1
. 1 . .
. 3 . 2
. . 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_3 | .1.....1.3.....2 | 4123324123141432 | Basic 4x4 Sudoku 1034 | 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
. 3 . .
. . . 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_4 | ..31.......32... | 4231314214232314 | Basic 4x4 Sudoku 323 | 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
2 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_5 | ...21..3.4..2..4 | 4312124334212134 | Basic 4x4 Sudoku 116 | 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 . . 3
. 4 . .
2 . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_6 | ..2....3...4.1.. | 3421124323144132 | Basic 4x4 Sudoku 1113 | 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 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_7 | ....4..2...4..3. | 1243431231242431 | Basic 4x4 Sudoku 1677 | 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
. . . 4
. . 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
4x4_sudoku_easy_8 | ....1.4...1....2 | 3421124323144132 | Basic 4x4 Sudoku 1290 | 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 .
. . 1 .
. . . 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_1 | 584.2361.3721..48.69158437..369..5.1.1..35926..564183..68..7.947534.92....926.7.3 | 584723619372196485691584372836972541417835926925641837268357194753419268149268753 | Basic 9x9 Sudoku 822 | 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 8 4 . 2 3 6 1 .
3 7 2 1 . . 4 8 .
6 9 1 5 8 4 3 7 .
. 3 6 9 . . 5 . 1
. 1 . . 3 5 9 2 6
. . 5 6 4 1 8 3 .
. 6 8 . . 7 . 9 4
7 5 3 4 . 9 2 . .
. . 9 2 6 . 7 . 3 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_2 | .672.413.92.6.3.84...7852967815294636.3178.29.9.346.7113685..424589326.7279..1358 | 867294135925613784314785296781529463643178529592346871136857942458932617279461358 | Basic 9x9 Sudoku 4034 | 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 7 2 . 4 1 3 .
9 2 . 6 . 3 . 8 4
. . . 7 8 5 2 9 6
7 8 1 5 2 9 4 6 3
6 . 3 1 7 8 . 2 9
. 9 . 3 4 6 . 7 1
1 3 6 8 5 . . 4 2
4 5 8 9 3 2 6 . 7
2 7 9 . . 1 3 5 8 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_3 | 643.5...7..897463119.6.34854.17..25..6.34.718.72591.4.286.1759.354.69172719.3...4 | 643158927528974631197623485431786259965342718872591346286417593354869172719235864 | Basic 9x9 Sudoku 128 | 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.
| 6 4 3 . 5 . . . 7
. . 8 9 7 4 6 3 1
1 9 . 6 . 3 4 8 5
4 . 1 7 . . 2 5 .
. 6 . 3 4 . 7 1 8
. 7 2 5 9 1 . 4 .
2 8 6 . 1 7 5 9 .
3 5 4 . 6 9 1 7 2
7 1 9 . 3 . . . 4 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_4 | .71.56823.43.71.966523.874176.5.2..9519.3748232.914.572.674.91543516927819782...4 | 971456823843271596652398741764582139519637482328914657286743915435169278197825364 | Basic 9x9 Sudoku 6316 | 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.
| . 7 1 . 5 6 8 2 3
. 4 3 . 7 1 . 9 6
6 5 2 3 . 8 7 4 1
7 6 . 5 . 2 . . 9
5 1 9 . 3 7 4 8 2
3 2 . 9 1 4 . 5 7
2 . 6 7 4 . 9 1 5
4 3 5 1 6 9 2 7 8
1 9 7 8 2 . . . 4 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_5 | ..6.5.743253..189687493625176839241593.5.4....25.679383.964512.51782.3.464271358. | 196258743253471896874936251768392415931584672425167938389645127517829364642713589 | Basic 9x9 Sudoku 945 | 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 . 5 . 7 4 3
2 5 3 . . 1 8 9 6
8 7 4 9 3 6 2 5 1
7 6 8 3 9 2 4 1 5
9 3 . 5 . 4 . . .
. 2 5 . 6 7 9 3 8
3 . 9 6 4 5 1 2 .
5 1 7 8 2 . 3 . 4
6 4 2 7 1 3 5 8 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_6 | .2....6..8.649.3....3.71428.612..9872.936754.475.8926359.82613464.91.752132754..6 | 724538619816492375953671428361245987289367541475189263597826134648913752132754896 | Basic 9x9 Sudoku 949 | 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.
| . 2 . . . . 6 . .
8 . 6 4 9 . 3 . .
. . 3 . 7 1 4 2 8
. 6 1 2 . . 9 8 7
2 . 9 3 6 7 5 4 .
4 7 5 . 8 9 2 6 3
5 9 . 8 2 6 1 3 4
6 4 . 9 1 . 7 5 2
1 3 2 7 5 4 . . 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_7 | 3.26.5.71145.3762.76..2.5.343617.9852...96314.51348.628.3764159614259.375798.3... | 392685471145937628768421593436172985287596314951348762823764159614259837579813246 | Basic 9x9 Sudoku 4227 | 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 6 . 5 . 7 1
1 4 5 . 3 7 6 2 .
7 6 . . 2 . 5 . 3
4 3 6 1 7 . 9 8 5
2 . . . 9 6 3 1 4
. 5 1 3 4 8 . 6 2
8 . 3 7 6 4 1 5 9
6 1 4 2 5 9 . 3 7
5 7 9 8 . 3 . . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_easy_8 | 7541.92..9..8.745...84259.7.6....589..3986..48.9.54631296..1845.87.423963.5698172 | 754139268921867453638425917462713589513986724879254631296371845187542396345698172 | Basic 9x9 Sudoku 4456 | 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.
| 7 5 4 1 . 9 2 . .
9 . . 8 . 7 4 5 .
. . 8 4 2 5 9 . 7
. 6 . . . . 5 8 9
. . 3 9 8 6 . . 4
8 . 9 . 5 4 6 3 1
2 9 6 . . 1 8 4 5
. 8 7 . 4 2 3 9 6
3 . 5 6 9 8 1 7 2 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_1 | 3759126848.65..7.1.4187.2.5719.85362.3.7.19.8658329.47.971.382.582697413163..8... | 375912684826534791941876235719485362234761958658329147497153826582697413163248579 | fpuzzle1dcdb33d4b985ef0f254e28987519a66 | sudoku_ctc_398_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 must not repeat on the marked diagonal. Digits in cages must sum to the cage total. Each N-sum line can be divided into two or more non-overlapping groups of adjac... | 3 7 5 9 1 2 6 8 4
8 . 6 5 . . 7 . 1
. 4 1 8 7 . 2 . 5
7 1 9 . 8 5 3 6 2
. 3 . 7 . 1 9 . 8
6 5 8 3 2 9 . 4 7
. 9 7 1 . 3 8 2 .
5 8 2 6 9 7 4 1 3
1 6 3 . . 8 . . . | 9 | 9 | - killer cage (value 16): r7c2 r7c3
- killer cage (value 20): r9c6 r9c7 r9c8
- killer cage (value 15): r8c4 r8c5
- killer cage (value 10): r6c6 r6c7
- killer cage (value 11): r2c3 r2c4
- killer cage (value 9): r5c1 r5c2 r5c3
- killer cage (value 16): r2c7 r2c8
- line, color: lightgray, coords: r9c1 r9c2 r9c3 r9c4 r9c5 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_2 | 6743.9..28934217.52.5..7349457..623.938.726541..543.78....941.3..961.487741238.9. | 674359812893421765215867349457986231938172654162543978586794123329615487741238596 | Lf4B9t2p29 | sudoku_ctc_242_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.
The grid is covered with fog. Placing correct digits will reveal the fog around that digit. Guessing is not required! A digit in a red circle indicates exactly how many r... | 6 7 4 3 . 9 . . 2
8 9 3 4 2 1 7 . 5
2 . 5 . . 7 3 4 9
4 5 7 . . 6 2 3 .
9 3 8 . 7 2 6 5 4
1 . . 5 4 3 . 7 8
. . . . 9 4 1 . 3
. . 9 6 1 . 4 8 7
7 4 1 2 3 8 . 9 . | 9 | 9 | - arrow, color: mediumorchid, coords (base to tip): r3c7 r2c6 r2c5
- arrow, color: mediumorchid, coords (base to tip): r8c4 r9c4 r9c5 r8c5
- arrow, color: mediumorchid, coords (base to tip): r7c3 r6c4 r5c4
- arrow, color: mediumorchid, coords (base to tip): r5c7 r4c7 r4c8 r4c9
- arrow, color: mediumorchid, coords (base... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_3 | 2463.551.6421...6446253162..5335142. | 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... | 2 4 6 3 . 5
5 1 . 6 4 2
1 . . . 6 4
4 6 2 5 3 1
6 2 . . 5 3
3 5 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 |
ctc_sudoku_easy_4 | 3.59.2..48265347..94187623.71948..6223.7..958658.2.1.749.15.8..5826.7413163248..9 | 375912684826534791941876235719485362234761958658329147497153826582697413163248579 | fpuzzle1dcdb33d4b985ef0f254e28987519a66 | sudoku_ctc_398_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 must not repeat on the marked diagonal. Digits in cages must sum to the cage total. Each N-sum line can be divided into two or more non-overlapping groups of adjac... | 3 . 5 9 . 2 . . 4
8 2 6 5 3 4 7 . .
9 4 1 8 7 6 2 3 .
7 1 9 4 8 . . 6 2
2 3 . 7 . . 9 5 8
6 5 8 . 2 . 1 . 7
4 9 . 1 5 . 8 . .
5 8 2 6 . 7 4 1 3
1 6 3 2 4 8 . . 9 | 9 | 9 | - killer cage (value 16): r7c2 r7c3
- killer cage (value 20): r9c6 r9c7 r9c8
- killer cage (value 15): r8c4 r8c5
- killer cage (value 10): r6c6 r6c7
- killer cage (value 11): r2c3 r2c4
- killer cage (value 9): r5c1 r5c2 r5c3
- killer cage (value 16): r2c7 r2c8
- line, color: lightgray, coords: r9c1 r9c2 r9c3 r9c4 r9c5 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_5 | .5.69.3276.357...18792.35645.218.639938462.757.6.35.4.395.4.812.8735.4961.4..9753 | 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 ... | . 5 . 6 9 . 3 2 7
6 . 3 5 7 . . . 1
8 7 9 2 . 3 5 6 4
5 . 2 1 8 . 6 3 9
9 3 8 4 6 2 . 7 5
7 . 6 . 3 5 . 4 .
3 9 5 . 4 . 8 1 2
. 8 7 3 5 . 4 9 6
1 . 4 . . 9 7 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 |
ctc_sudoku_easy_6 | .54...9...83.6.45.2.14753...2974.5614..59.2735176.2.4.97..541..83.2176.4.429.67.5 | 654823917783169452291475386329748561468591273517632849976354128835217694142986735 | sxsm_AminKhalek_df3448b6e2302cf7624d076baae1380d | sudoku_ctc_160_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\nThere are nine doubler and nine halver cells in the grid. Place one doubler and one halver in every row, column and box such that doublers and halvers cannot share a ... | . 5 4 . . . 9 . .
. 8 3 . 6 . 4 5 .
2 . 1 4 7 5 3 . .
. 2 9 7 4 . 5 6 1
4 . . 5 9 . 2 7 3
5 1 7 6 . 2 . 4 .
9 7 . . 5 4 1 . .
8 3 . 2 1 7 6 . 4
. 4 2 9 . 6 7 . 5 | 9 | 9 | - line, color: darkgray, coords: r5c7 r4c8 r5c9 r6c8
- line, color: darkgray, coords: r4c2 r5c2 r6c2
- line, color: darkgray, coords: r8c7 r7c8 r8c9 r9c8
- line, color: darkgray, coords: r2c7 r1c8 r2c9 r3c8
- inequality arrow: > between r8c2 and r8c3
- inequality arrow: < between r8c3 and r8c2
- inequality arrow: v bet... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_7 | .354296.7.79.3.8.46417852.3123.5.4699.4..2785.879.63.1.925.81.6.5..6.9727.6..453. | 835429617279631854641785293123857469964312785587946321392578146458163972716294538 | sxsm_Donatello_86_15190083e8a27b600821b68c73ed9e0c | sudoku_ctc_404_original | "Normal sudoku rules apply\n\nDigits in cages sum to the top left corner of the cage. Digits do not repeat in a cage.\n\nDigits along a green line have a minimum difference of 5\n\nCells separated by a white dot have consecutive digits\n\nCells separated by a black dot, have Digits with a 2:1 ratio" | . 3 5 4 2 9 6 . 7
. 7 9 . 3 . 8 . 4
6 4 1 7 8 5 2 . 3
1 2 3 . 5 . 4 6 9
9 . 4 . . 2 7 8 5
. 8 7 9 . 6 3 . 1
. 9 2 5 . 8 1 . 6
. 5 . . 6 . 9 7 2
7 . 6 . . 4 5 3 . | 9 | 9 | - killer cage (value 15): r4c1 r5c1 r6c1
- killer cage (value 15): r9c4 r9c5 r9c6
- killer cage (value 15): r4c9 r5c9 r6c9
- killer cage (value 15): r1c4 r1c5 r1c6
- killer cage (value 31): r6c5 r7c5 r7c6 r8c6 r8c7
- killer cage (value 28): r3c8 r4c7 r4c8 r5c6 r5c7
- killer cage (value 35): r2c3 r2c4 r3c4 r3c5 r4c5
- k... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_easy_8 | 3.55.94.37.9.212..4.16..7.56.9163345.85542.8.14..89.72.2..42.24..5.51.95...79.763 | 365549493789321218421678765639163345785542981142789672124842124765351895389796763 | n486ffPb4H | sudoku_ctc_168_original | "Place 1-9 in every marked 3x3 box. Digits may repeat in rows or columns. Identical digits may not be a knight's move apart. Digits along an arrow sum to the number in the circle. Neighbouring digits on a green line have a difference of at least 5. Digits joined by a white dot are consecutive; digits joined by a black ... | 3 . 5 5 . 9 4 . 3
7 . 9 . 2 1 2 . .
4 . 1 6 . . 7 . 5
6 . 9 1 6 3 3 4 5
. 8 5 5 4 2 . 8 .
1 4 . . 8 9 . 7 2
. 2 . . 4 2 . 2 4
. . 5 . 5 1 . 9 5
. . . 7 9 . 7 6 3 | 9 | 9 | - line, color: yellowgreen, coords: r9c3 r8c4 r9c5 r8c6 r9c7
- arrow, color: lightgray, coords (base to tip): r2c3 r2c4 r2c5 r2c6 r2c7 r2c8
- arrow, color: lightgray, coords (base to tip): r3c7 r4c8 r5c9 r6c9
- arrow, color: lightgray, coords (base to tip): r4c6 r4c7
- arrow, color: lightgray, coords (base to tip): r4c... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_1 | 187.2.35...63...91943..17..4791.26.85...391...3..76.296.8..39.5.1.6....33942.5.6. | 187924356256387491943561782479152638562839174831476529628743915715698243394215867 | Basic 9x9 Sudoku 6178 | 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 8 7 . 2 . 3 5 .
. . 6 3 . . . 9 1
9 4 3 . . 1 7 . .
4 7 9 1 . 2 6 . 8
5 . . . 3 9 1 . .
. 3 . . 7 6 . 2 9
6 . 8 . . 3 9 . 5
. 1 . 6 . . . . 3
3 9 4 2 . 5 . 6 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_2 | 176.5.82..53.7..9.92...3..7..7.9.43.69138.752.3.6.7.89..593.2.43.27.5....6.24..1. | 176459823453872691928163547287591436691384752534627189815936274342715968769248315 | Basic 9x9 Sudoku 2781 | 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 7 6 . 5 . 8 2 .
. 5 3 . 7 . . 9 .
9 2 . . . 3 . . 7
. . 7 . 9 . 4 3 .
6 9 1 3 8 . 7 5 2
. 3 . 6 . 7 . 8 9
. . 5 9 3 . 2 . 4
3 . 2 7 . 5 . . .
. 6 . 2 4 . . 1 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_3 | .9..7...117.3.865...4.6.7.8..942...3...8.19..2..63...54.8716...625...8.7..7.....6 | 896574231172398654354162798569427183743851962281639475438716529625943817917285346 | Basic 9x9 Sudoku 1759 | 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 . . 7 . . . 1
1 7 . 3 . 8 6 5 .
. . 4 . 6 . 7 . 8
. . 9 4 2 . . . 3
. . . 8 . 1 9 . .
2 . . 6 3 . . . 5
4 . 8 7 1 6 . . .
6 2 5 . . . 8 . 7
. . 7 . . . . . 6 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_4 | 72..6..3.4.19.5..7.95.781..31.5927.885.6.74.2.7..4.9.358.4.9..69..7..8..147.8..9. | 728164539431925687695378124314592768859637412276841953583419276962753841147286395 | Basic 9x9 Sudoku 4224 | 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.
| 7 2 . . 6 . . 3 .
4 . 1 9 . 5 . . 7
. 9 5 . 7 8 1 . .
3 1 . 5 9 2 7 . 8
8 5 . 6 . 7 4 . 2
. 7 . . 4 . 9 . 3
5 8 . 4 . 9 . . 6
9 . . 7 . . 8 . .
1 4 7 . 8 . . 9 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_5 | .5.3..1...6.1..93481.2....6..7..2..9.987.35......6.4.727543..91.369.1....8...7.4. | 954376128762185934813294756547812369698743512321569487275438691436921875189657243 | Basic 9x9 Sudoku 1228 | 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 . 3 . . 1 . .
. 6 . 1 . . 9 3 4
8 1 . 2 . . . . 6
. . 7 . . 2 . . 9
. 9 8 7 . 3 5 . .
. . . . 6 . 4 . 7
2 7 5 4 3 . . 9 1
. 3 6 9 . 1 . . .
. 8 . . . 7 . 4 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_6 | ..6.3.4.2.4.9.........4.971..37.2..661...93.742..1.5...6.375..4.852..76...48.12.5 | 796138452541927638832546971953782146618459327427613589269375814185294763374861295 | Basic 9x9 Sudoku 2865 | 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.
| . . 6 . 3 . 4 . 2
. 4 . 9 . . . . .
. . . . 4 . 9 7 1
. . 3 7 . 2 . . 6
6 1 . . . 9 3 . 7
4 2 . . 1 . 5 . .
. 6 . 3 7 5 . . 4
. 8 5 2 . . 7 6 .
. . 4 8 . 1 2 . 5 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_7 | 9...8..13.1.9....55.8..79.21..5.....39.8415...85.....48.91..35.62.7.......1.96278 | 964285713712963845538417962147532689396841527285679134879124356623758491451396278 | Basic 9x9 Sudoku 1457 | 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 . . . 8 . . 1 3
. 1 . 9 . . . . 5
5 . 8 . . 7 9 . 2
1 . . 5 . . . . .
3 9 . 8 4 1 5 . .
. 8 5 . . . . . 4
8 . 9 1 . . 3 5 .
6 2 . 7 . . . . .
. . 1 . 9 6 2 7 8 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_medium_8 | 6482.9751..74..6..139.6.4.2.5.3....89.314.526.6..52....84...2.72..8..3...1..2..9. | 648239751527481639139567482452396178973148526861752943384915267296874315715623894 | Basic 9x9 Sudoku 2350 | puzzles5_forum_hardest_1905_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.
| 6 4 8 2 . 9 7 5 1
. . 7 4 . . 6 . .
1 3 9 . 6 . 4 . 2
. 5 . 3 . . . . 8
9 . 3 1 4 . 5 2 6
. 6 . . 5 2 . . .
. 8 4 . . . 2 . 7
2 . . 8 . . 3 . .
. 1 . . 2 . . 9 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_1 | ..18.46.9..59621..68.31724..36285..79....68..84..9..6...8639724.6..7..5.7945.1... | 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 . 4 6 . 9
. . 5 9 6 2 1 . .
6 8 . 3 1 7 2 4 .
. 3 6 2 8 5 . . 7
9 . . . . 6 8 . .
8 4 . . 9 . . 6 .
. . 8 6 3 9 7 2 4
. 6 . . 7 . . 5 .
7 9 4 5 . 1 . . . | 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 |
ctc_sudoku_medium_2 | 9.7....4.6.328.17.4219673587.9......16.4.9.3.2358.67....2.45.8.8947.26.5..6.984.3 | 987351246653284179421967358749523861168479532235816794312645987894732615576198423 | 9jLmRBJ3JH | sudoku_ctc_24_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.
On a blue thermometer, the even digits strictly increase from the bulb end, and likewise for odd digits on an orange thermometer. Digits of the unrestricted parity can oc... | 9 . 7 . . . . 4 .
6 . 3 2 8 . 1 7 .
4 2 1 9 6 7 3 5 8
7 . 9 . . . . . .
1 6 . 4 . 9 . 3 .
2 3 5 8 . 6 7 . .
. . 2 . 4 5 . 8 .
8 9 4 7 . 2 6 . 5
. . 6 . 9 8 4 . 3 | 9 | 9 | - line, color: tomato, coords: r3c3 r2c3 r1c3 r1c2 r1c1 r2c1
- line, color: tomato, coords: r1c7 r2c7 r3c7 r3c8 r3c9 r2c9
- line, color: tomato, coords: r9c9 r8c9 r7c9 r7c8 r7c7 r8c7
- line, color: tomato, coords: r7c3 r7c2 r7c1 r8c1 r9c1 r9c2
- line, color: tomato, coords: r8c4 r8c5
- line, color: tomato, coords: r4c9... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_3 | ....8..5.13..2..6.8.0.764...86401325......8.63..862..0578...6...41.3.5.7.03.1.2.. | 467183052135024768820576431786401325012357846354862170578240613241638507603715284 | sxsm_Oddlyeven_d49130f6ccafcae6ade503fe6e8e3aef | sudoku_ctc_280_original | "Rules: Put the digits 0 to 8 once each in each row, column and box.\nDoublers: One cell in every row, column and box is a doubler. This cell counts as double its value for the following rules. Each of the digits 0 to 8 appears exactly once in a doubler cell.\nXV: Values on an X sum to 10. Values on a V sum to 5.\nCage... | . . . . 8 . . 5 .
1 3 . . 2 . . 6 .
8 . 0 . 7 6 4 . .
. 8 6 4 0 1 3 2 5
. . . . . . 8 . 6
3 . . 8 6 2 . . 0
5 7 8 . . . 6 . .
. 4 1 . 3 . 5 . 7
. 0 3 . 1 . 2 . . | 9 | 9 | - killer cage (value 21): r1c3 r1c4 r2c4 r2c5 r2c6
- killer cage (value 14): r3c5 r3c6 r4c5 r4c6
- killer cage (value 12): r6c1 r6c2 r6c3
- killer cage (value 11): r7c5 r8c5
- killer cage (value 15): r9c1 r9c2 r9c3
- killer cage (value 8): r4c7 r4c8
- killer cage (value 13): r1c7 r1c8 r1c9 r2c8
- text: V, shape: circle... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_4 | ..6241..9.175..3...957.3.1..5..28...7.4.......619.7..5....7.25157..1293.1423...86 | 386241579217596348495783612953428167724165893861937425639874251578612934142359786 | fpuzzleed367d04ec7df63facb254bcb4763aa1 | sudoku_ctc_317_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\nCells separated by a knight's move in chess cannot contain the same digit.\n\nDigits in cages must sum to the value shown.\n\nDigits along the arrow sum to the number... | . . 6 2 4 1 . . 9
. 1 7 5 . . 3 . .
. 9 5 7 . 3 . 1 .
. 5 . . 2 8 . . .
7 . 4 . . . . . .
. 6 1 9 . 7 . . 5
. . . . 7 . 2 5 1
5 7 . . 1 2 9 3 .
1 4 2 3 . . . 8 6 | 9 | 9 | - killer cage (value 20): r2c4 r2c5 r2c6
- killer cage (value 9): r8c4 r8c5 r8c6
- killer cage (value 14): r5c3 r6c3 r7c3
- killer cage (value 8): r2c2 r2c3
- killer cage (value 8): r4c2 r4c3
- killer cage (value 15): r8c8 r8c9 r9c8
- arrow, color: darkgray, coords (base to tip): r7c4 r6c5 r5c6
- arrow, color: darkgray... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_5 | 9.356.1.76.1.3......2.914362..3...4..9.14....3.4...28..25..9.6..38.25....6...375. | 983564127641237598572891436217358649896142375354976281425719863738625914169483752 | DdfLMG9fGf | sudoku_ctc_244_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 killer cages cannot repeat. Each killer cage represents a skyscraper with a height equal to its sum. Digits outside cages do not have any skyscrapers. Clues out... | 9 . 3 5 6 . 1 . 7
6 . 1 . 3 . . . .
. . 2 . 9 1 4 3 6
2 . . 3 . . . 4 .
. 9 . 1 4 . . . .
3 . 4 . . . 2 8 .
. 2 5 . . 9 . 6 .
. 3 8 . 2 5 . . .
. 6 . . . 3 7 5 . | 9 | 9 | - killer cage: r9c1
- killer cage: r9c2
- killer cage: r9c3
- killer cage: r1c2
- killer cage: r1c3 r1c4
- killer cage: r1c5 r2c4 r2c5
- killer cage: r1c7 r1c8 r2c8
- killer cage: r3c8 r4c7 r4c8
- killer cage: r4c1 r4c2
- killer cage: r6c4 r6c5
- killer cage: r6c6 r7c6
- killer cage: r5c6 r5c7
- killer cage: r8c8 r8c9 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_6 | 34.2.1.5.6...8.4...156..3.813.7..8652..8.5.948...1673....3..2.6.82..9.4.5634.29.1 | 348291657627583419915647328139724865276835194854916732491358276782169543563472981 | fpuzzlea32e2aa9f904953301860159f0fccc8c | sudoku_ctc_102_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.
Each row, column, and 3x3 box contains each number from 1 to 9 exactly once.\nDigits along the blue line sum to the same total each time it enters a new box in the grid.\... | 3 4 . 2 . 1 . 5 .
6 . . . 8 . 4 . .
. 1 5 6 . . 3 . 8
1 3 . 7 . . 8 6 5
2 . . 8 . 5 . 9 4
8 . . . 1 6 7 3 .
. . . 3 . . 2 . 6
. 8 2 . . 9 . 4 .
5 6 3 4 . 2 9 . 1 | 9 | 9 | - line, color: deepskyblue, coords: r6c8 r5c7 r4c6 r3c7 r2c8
- line, color: deepskyblue, coords: r2c6 r3c5 r4c4 r3c3 r2c2
- line, color: deepskyblue, coords: r8c8 r7c7 r6c6 r7c5 r8c4
- line, color: deepskyblue, coords: r8c2 r7c3 r6c4 r5c3 r4c2
- text: 1 2
8 9, shape: circle, color: white (stroke color: black), location... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_7 | 9.6.74.2.4..6925..723.15..6.6.1...8557248936.819..6.4.1.5968.....7253....3.7.1..9 | 956374128481692573723815496364127985572489361819536247145968732697253814238741659 | sxsm_OlliWright_39a31b9bc38cea08d05f6e475ca1d091 | sudoku_ctc_182_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 the digits 1-9 once each in every row, column and 3x3 box.\n\nLittle killers\nNumbers with an arrow give the sum of digits along the indicated diagonal. \n\nSandwic... | 9 . 6 . 7 4 . 2 .
4 . . 6 9 2 5 . .
7 2 3 . 1 5 . . 6
. 6 . 1 . . . 8 5
5 7 2 4 8 9 3 6 .
8 1 9 . . 6 . 4 .
1 . 5 9 6 8 . . .
. . 7 2 5 3 . . .
. 3 . 7 . 1 . . 9 | 9 | 9 | - diagonal arrow, color: black, in location: r0c8, pointing lower left
- diagonal arrow, color: black, in location: r0c2, pointing lower left
- diagonal arrow, color: black, in location: r0c5, pointing lower left
- diagonal arrow, color: black, in location: r7c10, pointing lower left
- diagonal arrow, color: black, in ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_medium_8 | 3....82..14....75.9851.243..3.8..1.44.13678298.9...3.57189...4.69472.583..34..9.7 | 367548291142639758985172436236895174451367829879214365718953642694721583523486917 | fpuzzle93e7fa4d437bcdc6122869ebfd34e6e1 | sudoku_ctc_293_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\nCells separated by a white dot are consecutive. Cells separated by a black dot are in a 1:2 ratio.\n\nDigits in cages can't repeat and sum to the indicated total. How... | 3 . . . . 8 2 . .
1 4 . . . . 7 5 .
9 8 5 1 . 2 4 3 .
. 3 . 8 . . 1 . 4
4 . 1 3 6 7 8 2 9
8 . 9 . . . 3 . 5
7 1 8 9 . . . 4 .
6 9 4 7 2 . 5 8 3
. . 3 4 . . 9 . 7 | 9 | 9 | - killer cage (value 41): r1c5 r1c6 r2c3 r2c4 r2c5 r2c6 r3c3 r3c4
- killer cage (value 41): r4c1 r4c2 r5c1 r5c2 r6c2 r6c3 r7c2 r7c3
- killer cage (value 48): r1c1 r1c2 r1c3 r1c4 r2c1 r2c2 r3c1 r3c2
- killer cage (value 47): r1c7 r1c8 r1c9 r2c7 r2c8 r2c9 r3c9 r4c9
- killer cage (value 45): r7c8 r7c9 r8c8 r8c9 r9c6 r9c7 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_1 | ..4.....3.6.34..5.1.5....9...2...64....61..8...8..2..12.6......38.12...4.4.8.63.. | 824569173967341258135278496512983647493617582678452931256734819389125764741896325 | Basic 9x9 Sudoku 6876 | 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 . . . . . 3
. 6 . 3 4 . . 5 .
1 . 5 . . . . 9 .
. . 2 . . . 6 4 .
. . . 6 1 . . 8 .
. . 8 . . 2 . . 1
2 . 6 . . . . . .
3 8 . 1 2 . . . 4
. 4 . 8 . 6 3 . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_2 | ...5..46.....42...2.....13..8....3.4..37...5..9..5..1.3...26..71.7.........97.... | 978531462631842795254697138586219374413768259792354816349126587167485923825973641 | Basic 9x9 Sudoku 2341 | 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 . . 4 6 .
. . . . 4 2 . . .
2 . . . . . 1 3 .
. 8 . . . . 3 . 4
. . 3 7 . . . 5 .
. 9 . . 5 . . 1 .
3 . . . 2 6 . . 7
1 . 7 . . . . . .
. . . 9 7 . . . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_3 | ..4...19.2...81..7...4...........38..18..35.9.......72.4..9..3.6.....7..73.5.8... | 384672195259381647176459823527946381418723569963815472845197236691234758732568914 | Basic 9x9 Sudoku 1382 | 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 1 . . 7
. . . 4 . . . . .
. . . . . . 3 8 .
. 1 8 . . 3 5 . 9
. . . . . . . 7 2
. 4 . . 9 . . 3 .
6 . . . . . 7 . .
7 3 . 5 . 8 . . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_4 | .84..75..7.34...9.6...2...73.......1.6.7..83......3.6...12.4.....68.5..9.5..7.4.. | 184397526723456198695128347348962751569741832217583964971234685436815279852679413 | Basic 9x9 Sudoku 4860 | 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 4 . . 7 5 . .
7 . 3 4 . . . 9 .
6 . . . 2 . . . 7
3 . . . . . . . 1
. 6 . 7 . . 8 3 .
. . . . . 3 . 6 .
. . 1 2 . 4 . . .
. . 6 8 . 5 . . 9
. 5 . . 7 . 4 . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_5 | ....7..4.4.........95...2863..9.7.24...4.2.....61..3.7.81.9....6...15.......8.53. | 812576943463829715795341286358967124179432658246158397581793462634215879927684531 | Basic 9x9 Sudoku 2070 | 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.
| . . . . 7 . . 4 .
4 . . . . . . . .
. 9 5 . . . 2 8 6
3 . . 9 . 7 . 2 4
. . . 4 . 2 . . .
. . 6 1 . . 3 . 7
. 8 1 . 9 . . . .
6 . . . 1 5 . . .
. . . . 8 . 5 3 . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_6 | .....52.4.2..6...5...8...6....3....7.8...6.5.9.........6.7.4.2..51..8.4.....1...8 | 693175284428963715175842963546321897387496152912587436869754321751238649234619578 | Basic 9x9 Sudoku 2845 | 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 2 . 4
. 2 . . 6 . . . 5
. . . 8 . . . 6 .
. . . 3 . . . . 7
. 8 . . . 6 . 5 .
9 . . . . . . . .
. 6 . 7 . 4 . 2 .
. 5 1 . . 8 . 4 .
. . . . 1 . . . 8 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_7 | .....38..8.....3.5....46..16..9.41.7.2......3.87...69...3..........3.419...461... | 796153824814792365352846971635924187921678543487315692143289756268537419579461238 | Basic 9x9 Sudoku 2810 | 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 8 . .
8 . . . . . 3 . 5
. . . . 4 6 . . 1
6 . . 9 . 4 1 . 7
. 2 . . . . . . 3
. 8 7 . . . 6 9 .
. . 3 . . . . . .
. . . . 3 . 4 1 9
. . . 4 6 1 . . . | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
9x9_sudoku_hard_8 | ...217.....5....4.2.....39..64......5..8....3.3.97..2......92..6...4..7.4......38 | 943217685875396142216458397764132859529864713138975426351789264682543971497621538 | Basic 9x9 Sudoku 1280 | 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.
| . . . 2 1 7 . . .
. . 5 . . . . 4 .
2 . . . . . 3 9 .
. 6 4 . . . . . .
5 . . 8 . . . . 3
. 3 . 9 7 . . 2 .
. . . . . 9 2 . .
6 . . . 4 . . 7 .
4 . . . . . . 3 8 | 9 | 9 | None | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_1 | .9.3.......72...8....4.6.....3...5....2........4..9....8...2......9..8313..6...2. | 295381674467295183138476259973124568612853947854769312781532496526947831349618725 | sxsm_IcyFruit_81effabb56fcc94d95b4250f3d36afd9 | sudoku_ctc_190_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 12 orthogonally connected regions of different sizes which do not overlap. The regions do not need to cover the entire grid.\nWithin a region, a digit may only repea... | . 9 . 3 . . . . .
. . 7 2 . . . 8 .
. . . 4 . 6 . . .
. . 3 . . . 5 . .
. . 2 . . . . . .
. . 4 . . 9 . . .
. 8 . . . 2 . . .
. . . 9 . . 8 3 1
3 . . 6 . . . 2 . | 9 | 9 | - shape: circle, stroke color: orange, location: r7c5
- shape: circle, stroke color: orange, location: r7c6
- shape: circle, stroke color: orange, location: r7c7
- shape: circle, stroke color: orange, location: r3c7
- shape: circle, stroke color: orange, location: r4c6
- shape: circle, stroke color: orange, location: r... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_2 | 5......642.9..537...8.2........8...28....21...2....48.19.2...4.3...6.8........5.9 | 573819264219645378468327951951486732834572196726193485197258643345961827682734519 | sxsm_JamesKopp_31f4797d3ccd01a699700c48e802fdad | sudoku_ctc_288_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.
\nAdjacent digits along an orange line have a difference of at least four.\nCells separated by a \"6 ball\u201d sum to six." | 5 . . . . . . 6 4
2 . 9 . . 5 3 7 .
. . 8 . 2 . . . .
. . . . 8 . . . 2
8 . . . . 2 1 . .
. 2 . . . . 4 8 .
1 9 . 2 . . . 4 .
3 . . . 6 . 8 . .
. . . . . . 5 . 9 | 9 | 9 | - line, color: orange, coords: r1c1 r2c2 r3c2 r4c3 r5c4 r6c5 r5c6 r4c5 r3c4 r2c3 r2c2
- line, color: orange, coords: r6c9 r5c8 r5c7 r4c6 r3c5 r2c4 r1c5 r2c6 r3c7 r4c8 r5c8
- line, color: orange, coords: r6c1 r6c2 r6c3
- line, color: orange, coords: r6c2 r7c2 r8c2 r9c2
- line, color: orange, coords: r7c3 r6c4 r7c5 r8c4 ... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_3 | .....69.8...9.5.6196.2.........7.18..381......468...79..4.......1...78.2....9.61. | 453716928872935461961284753295473186738169245146852379684321597519647832327598614 | 23fMD676d3 | sudoku_ctc_35_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.
The grid is partially covered in fog. Correctly placed digits will clear the fog around that cell. No guessing is required. Digits in a circle must appear within the four... | . . . . . 6 9 . 8
. . . 9 . 5 . 6 1
9 6 . 2 . . . . .
. . . . 7 . 1 8 .
. 3 8 1 . . . . .
. 4 6 8 . . . 7 9
. . 4 . . . . . .
. 1 . . . 7 8 . 2
. . . . 9 . 6 1 . | 9 | 9 | - text: 7 9, shape: circle, color: white (stroke color: black), location: at the corner of r8c2 r8c3 r9c2 r9c3
- text: 3 8, shape: circle, color: white (stroke color: black), location: at the corner of r5c2 r5c3 r6c2 r6c3
- text: 3 9, shape: circle, color: white (stroke color: black), location: at the corner of r2c4 r2... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_4 | 6..2.8..48.934...2.........38..14..9..2...6....4.5.8.7.4........534.12.8......... | 631298754879345162425176983387614529592783641164952837946827315753461298218539476 | sxsm_Blobz_ec40b120aac54bb94b95e50ce544f4be | sudoku_ctc_57_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\nAdjacent digits along the holly outline (green) differ by at least 5.\n\nBox borders divide the bell outline (yellow) into segments that sum to the same value.\n\nDig... | 6 . . 2 . 8 . . 4
8 . 9 3 4 . . . 2
. . . . . . . . .
3 8 . . 1 4 . . 9
. . 2 . . . 6 . .
. . 4 . 5 . 8 . 7
. 4 . . . . . . .
. 5 3 4 . 1 2 . 8
. . . . . . . . . | 9 | 9 | - line, color: forestgreen, coords: r6c2 r6c1 r5c2 r4c1 r4c2 r3c2 r4c3 r3c4 r4c4 r4c5 r5c4 r5c3 r6c4 r6c3
- line, color: sandybrown, coords: r4c6 r5c6 r6c6 r7c5 r7c6 r7c7 r7c8 r7c9 r6c8 r5c8 r4c8 r3c7 r4c6
- shape: circle, color: white (stroke color: gold), location: r3c7
- shape: circle, color: lavender (stroke color:... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_5 | 2...46.39.6.215.7...4..9....5.18..6...2.......48..23...2.5.71....3..86.......1... | 271846539369215874584379216957183462132654987648792351426537198713928645895461723 | fpuzzlee1c4966d2a58a505c0f2e3b5187bc676 | sudoku_ctc_419_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 3x3 grey squares are additional regions of the puzzle whereby digits cannot repeat within a grey square. \n\nThe YNWA lines (in boxes 2,4,6, and 8) are GERMAN whi... | 2 . . . 4 6 . 3 9
. 6 . 2 1 5 . 7 .
. . 4 . . 9 . . .
. 5 . 1 8 . . 6 .
. . 2 . . . . . .
. 4 8 . . 2 3 . .
. 2 . 5 . 7 1 . .
. . 3 . . 8 6 . .
. . . . . 1 . . . | 9 | 9 | - line, color: tomato, coords: r1c4 r2c5 r1c6
- line, color: tomato, coords: r2c5 r3c5
- line, color: tomato, coords: r6c1 r5c1 r4c1 r5c2 r6c3 r5c3 r4c3
- line, color: tomato, coords: r4c7 r5c7 r6c7
- line, color: tomato, coords: r6c7 r5c8 r6c9 r5c9 r4c9
- line, color: tomato, coords: r9c4 r8c4 r7c5 r8c6 r9c6
- line, c... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_6 | 2.1.........2.587..8...9.1....1...6..32.....76..7...51..65.........28..58..4....3 | 271846539369215874584379216957183462132654987648792351426537198713928645895461723 | fpuzzlee1c4966d2a58a505c0f2e3b5187bc676 | sudoku_ctc_419_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 3x3 grey squares are additional regions of the puzzle whereby digits cannot repeat within a grey square. \n\nThe YNWA lines (in boxes 2,4,6, and 8) are GERMAN whi... | 2 . 1 . . . . . .
. . . 2 . 5 8 7 .
. 8 . . . 9 . 1 .
. . . 1 . . . 6 .
. 3 2 . . . . . 7
6 . . 7 . . . 5 1
. . 6 5 . . . . .
. . . . 2 8 . . 5
8 . . 4 . . . . 3 | 9 | 9 | - line, color: tomato, coords: r1c4 r2c5 r1c6
- line, color: tomato, coords: r2c5 r3c5
- line, color: tomato, coords: r6c1 r5c1 r4c1 r5c2 r6c3 r5c3 r4c3
- line, color: tomato, coords: r4c7 r5c7 r6c7
- line, color: tomato, coords: r6c7 r5c8 r6c9 r5c9 r4c9
- line, color: tomato, coords: r9c4 r8c4 r7c5 r8c6 r9c6
- line, c... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_7 | ...9..7.6..5831.2..9...........7...2.4.....67...2..35...8.....1..6..8...1..5..... | 481952736765831429293647815659473182342185967817296354578364291926718543134529678 | 8Pqd64fPMg | sudoku_ctc_334_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.
Each purple line is divided into discrete sections, each of which consist of one digit (a \u2018total'), followed by more than one digit summing to that total. The orderi... | . . . 9 . . 7 . 6
. . 5 8 3 1 . 2 .
. 9 . . . . . . .
. . . . 7 . . . 2
. 4 . . . . . 6 7
. . . 2 . . 3 5 .
. . 8 . . . . . 1
. . 6 . . 8 . . .
1 . . 5 . . . . . | 9 | 9 | - line, color: lightgray, coords: r9c9 r8c9 r7c9 r6c9 r5c9 r4c9 r3c9 r2c9 r1c9 r1c8 r1c7 r1c6 r1c5 r1c4 r1c3 r1c2
- line, color: lightgray, coords: r2c1 r3c1 r3c2 r3c3 r2c3 r2c4 r2c5 r3c5 r3c6
- line, color: lightgray, coords: r2c6 r2c7 r2c8 r3c8 r4c8
- line, color: lightgray, coords: r3c7 r4c7 r5c7 r6c7 r6c6 r6c5 r6c4... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
ctc_sudoku_hard_8 | ....8....1.63....8.5....3.9.73..14..2..7..........3..2.2..1......8..7.1.71...5... | 437982156196354278852176349673821495285749631941563782329418567568237914714695823 | BpBD7g8jg2 | sudoku_ctc_413_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 thermometers, values strictly increase from the bulb end. There are nine doubler cells in the grid, one in every row, column and box. Each digit from 1-9 appears in... | . . . . 8 . . . .
1 . 6 3 . . . . 8
. 5 . . . . 3 . 9
. 7 3 . . 1 4 . .
2 . . 7 . . . . .
. . . . . 3 . . 2
. 2 . . 1 . . . .
. . 8 . . 7 . 1 .
7 1 . . . 5 . . . | 9 | 9 | - line, color: lightgray, coords: r1c7 r2c7 r3c7 r4c7 r5c7 r6c7 r6c8
- line, color: lightgray, coords: r1c8 r2c8 r3c8 r4c8
- line, color: lightgray, coords: r1c9 r2c9 r3c9 r4c9
- line, color: lightgray, coords: r2c5 r2c4 r3c5
- line, color: lightgray, coords: r5c6 r6c5 r7c6 r8c7
- line, color: lightgray, coords: r5c5 r... | Complete the sudoku board based on the rules and visual elements. | sudoku | sudoku_annotation |
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