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 |
|---|---|---|---|---|---|---|---|---|---|---|
4x4_sudoku_1400 | ....431.2..4.... | 1243431221343421 | Basic 4x4 Sudoku 1400 | 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. |
4x4_sudoku_1401 | 13.4..13..41.1.. | 1324241332414132 | Basic 4x4 Sudoku 1401 | 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
. . 1 3
. . 4 1
. 1 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1402 | .2..4......1..23 | 3214413223411423 | Basic 4x4 Sudoku 1402 | 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 . . .
. . . 1
. . 2 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1403 | ...2.....34.1... | 4132321423411423 | Basic 4x4 Sudoku 1403 | 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. |
4x4_sudoku_1404 | .42112........43 | 3421123443122143 | Basic 4x4 Sudoku 1404 | 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
1 2 . .
. . . .
. . 4 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1405 | 14......4..232.4 | 1423234141323214 | Basic 4x4 Sudoku 1405 | 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 . .
. . . .
4 . . 2
3 2 . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1406 | .......42...4.3. | 1423321423414132 | Basic 4x4 Sudoku 1406 | 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. |
4x4_sudoku_1407 | .1...24......41. | 4132324113242413 | Basic 4x4 Sudoku 1407 | 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 .
. . . .
. 4 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1408 | .14.......3..41. | 2143432112343412 | Basic 4x4 Sudoku 1408 | 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 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1409 | .3....343..2.2.3 | 4321213434121243 | Basic 4x4 Sudoku 1409 | 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
3 . . 2
. 2 . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1410 | 1...2.1....4.231 | 1342241331244231 | Basic 4x4 Sudoku 1410 | 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 .
. . . 4
. 2 3 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1411 | 41......13.4.413 | 4132324113242413 | Basic 4x4 Sudoku 1411 | 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 . .
. . . .
1 3 . 4
. 4 1 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1412 | 1324.4......413. | 1324241332414132 | Basic 4x4 Sudoku 1412 | 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 4
. 4 . .
. . . .
4 1 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1413 | ....4....3.2...3 | 3124423113422413 | Basic 4x4 Sudoku 1413 | 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 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1414 | 3.....2.21...... | 3241142321344312 | Basic 4x4 Sudoku 1414 | 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 . . .
. . 2 .
2 1 . .
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1415 | 4...3.4.23...4.2 | 4123324123141432 | Basic 4x4 Sudoku 1415 | 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 . 4 .
2 3 . .
. 4 . 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1416 | ..3..2..41.....1 | 1432321441232341 | Basic 4x4 Sudoku 1416 | 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 .
. 2 . .
4 1 . .
. . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1417 | ..1.2.3...43.42. | 4312213412433421 | Basic 4x4 Sudoku 1417 | 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 . 3 .
. . 4 3
. 4 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1418 | 2.3....11.4..412 | 2134432112433412 | Basic 4x4 Sudoku 1418 | 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
1 . 4 .
. 4 1 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1419 | ...13.42....2.13 | 4231314213242413 | Basic 4x4 Sudoku 1419 | 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
. . . .
2 . 1 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1420 | .....3.4.2...4.3 | 4132231432411423 | Basic 4x4 Sudoku 1420 | 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
. 2 . .
. 4 . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1421 | .3.4..2..43..2.. | 2314412314323241 | Basic 4x4 Sudoku 1421 | 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
. . 2 .
. 4 3 .
. 2 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1422 | .2.334.143.....4 | 1243342143122134 | Basic 4x4 Sudoku 1422 | 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
3 4 . 1
4 3 . .
. . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1423 | ....41.....22431 | 3214412313422431 | Basic 4x4 Sudoku 1423 | 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
2 4 3 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1424 | ..4..1.22....4.3 | 3241413223141423 | Basic 4x4 Sudoku 1424 | 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
2 . . .
. 4 . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1425 | 4....2..1......3 | 4132324113242413 | Basic 4x4 Sudoku 1425 | 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 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1426 | .3.22.....34.... | 4312214312343421 | Basic 4x4 Sudoku 1426 | 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 . 2
2 . . .
. . 3 4
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1427 | ....21...2.44..1 | 3412214312344321 | Basic 4x4 Sudoku 1427 | 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 . .
. 2 . 4
4 . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1428 | 1.2...14....3..1 | 1423231441323241 | Basic 4x4 Sudoku 1428 | 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 4
. . . .
3 . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1429 | 4....24.......23 | 4132324123141423 | Basic 4x4 Sudoku 1429 | 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 .
. . . .
. . 2 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1430 | 1..33.1..13..32. | 1243341221344321 | Basic 4x4 Sudoku 1430 | 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 .
. 1 3 .
. 3 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1431 | 2..1...3....3412 | 2341412312343412 | Basic 4x4 Sudoku 1431 | 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
. . . .
3 4 1 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1432 | ..434..22....421 | 1243431221343421 | Basic 4x4 Sudoku 1432 | 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
4 . . 2
2 . . .
. 4 2 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1433 | ..4.431..4..1..4 | 2143431234211234 | Basic 4x4 Sudoku 1433 | 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 .
4 3 1 .
. 4 . .
1 . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1434 | 3....24...3....1 | 3412124321344321 | Basic 4x4 Sudoku 1434 | 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 . . .
. 2 4 .
. . 3 .
. . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1435 | ....2.....1.3.4. | 1324243142133142 | Basic 4x4 Sudoku 1435 | 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 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1436 | 2..4...3....413. | 2314142332414132 | Basic 4x4 Sudoku 1436 | 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
. . . .
4 1 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1437 | 342..........24. | 3421213443121243 | Basic 4x4 Sudoku 1437 | 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 2 .
. . . .
. . . .
. 2 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1438 | 4.2..2.1...2..1. | 4123324114322314 | Basic 4x4 Sudoku 1438 | 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 . 1
. . . 2
. . 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1439 | ...41....2..4.2. | 2314143232414123 | Basic 4x4 Sudoku 1439 | 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 . 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1440 | .......12...1.32 | 4123324123141432 | Basic 4x4 Sudoku 1440 | 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 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1441 | 3..2..3.21...... | 3412123421434321 | Basic 4x4 Sudoku 1441 | 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 . . 2
. . 3 .
2 1 . .
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1442 | 4213..2......342 | 4213312424311342 | Basic 4x4 Sudoku 1442 | 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
. . 2 .
. . . .
. 3 4 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1443 | ..3.4....1..24.. | 1234432131422413 | Basic 4x4 Sudoku 1443 | 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 . .
2 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1444 | 1.4....134122... | 1243432134122134 | Basic 4x4 Sudoku 1444 | 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
3 4 1 2
2 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1445 | ..1...4.4...3... | 2413134242313124 | Basic 4x4 Sudoku 1445 | 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 .
4 . . .
3 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1446 | 1......44.21.... | 1432321443212143 | Basic 4x4 Sudoku 1446 | 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
4 . 2 1
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1447 | ......31..121..3 | 3124243143121243 | Basic 4x4 Sudoku 1447 | 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
. . 1 2
1 . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1448 | ..2.3.1.41...... | 1423321441322341 | Basic 4x4 Sudoku 1448 | 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 . .
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1449 | 2..3..121.24...1 | 2143341213244231 | Basic 4x4 Sudoku 1449 | 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 2
1 . 2 4
. . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1450 | .....4....1.3..2 | 1324243142133142 | Basic 4x4 Sudoku 1450 | 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 . . 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1451 | 1....43...4...1. | 1324243131424213 | Basic 4x4 Sudoku 1451 | 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 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1452 | ...11.423...4.1. | 2431134231244213 | Basic 4x4 Sudoku 1452 | 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 2
3 . . .
4 . 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1453 | ...313.....2.43. | 4213132431422431 | Basic 4x4 Sudoku 1453 | 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 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1454 | 423...2.3..2.41. | 4231132431422413 | Basic 4x4 Sudoku 1454 | 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 .
3 . . 2
. 4 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1455 | ...1.3.....2.4.. | 4231132431422413 | Basic 4x4 Sudoku 1455 | 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
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1456 | ...3..21.4..1... | 2143432134121234 | Basic 4x4 Sudoku 1456 | 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
. . 2 1
. 4 . .
1 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1457 | .43..12......213 | 2431312413424213 | Basic 4x4 Sudoku 1457 | 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 .
. . . .
. 2 1 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1458 | 24.....44.1.3.42 | 2431132442133142 | Basic 4x4 Sudoku 1458 | 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 . .
. . . 4
4 . 1 .
3 . 4 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1459 | .312....2......4 | 4312124324313124 | Basic 4x4 Sudoku 1459 | 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 2
. . . .
2 . . .
. . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1460 | .....43.1..4...3 | 3142243113244213 | Basic 4x4 Sudoku 1460 | 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 . . 4
. . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1461 | .2..34..431...4. | 1234342143122143 | Basic 4x4 Sudoku 1461 | 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 . .
4 3 1 .
. . 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1462 | 1..44.12.4..2.4. | 1234431234212143 | Basic 4x4 Sudoku 1462 | 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
4 . 1 2
. 4 . .
2 . 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1463 | ...4..13.43..341 | 3124421314322341 | Basic 4x4 Sudoku 1463 | 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 .
. 3 4 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1464 | 4..1.3.....4.4.. | 4231134231242413 | Basic 4x4 Sudoku 1464 | 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
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1465 | ...13......42... | 4231314213242413 | Basic 4x4 Sudoku 1465 | 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 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1466 | .4.1.2.....3.... | 3421123421434312 | Basic 4x4 Sudoku 1466 | 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 . .
. . . 3
. . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1467 | 2.4....2..3.132. | 2143341242311324 | Basic 4x4 Sudoku 1467 | 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 .
. . . 2
. . 3 .
1 3 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1468 | ....32..21.44.12 | 1423324121344312 | Basic 4x4 Sudoku 1468 | 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 2 . .
2 1 . 4
4 . 1 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1469 | ..2....1...43..2 | 4123234112343412 | Basic 4x4 Sudoku 1469 | 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 . . 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1470 | ..4.2...31..421. | 1342243131244213 | Basic 4x4 Sudoku 1470 | 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 . .
4 2 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1471 | .....12..41...4. | 4231312424131342 | Basic 4x4 Sudoku 1471 | 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 1 .
. . 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1472 | 4.2.3...1.4..4.. | 4123321413422431 | Basic 4x4 Sudoku 1472 | 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 . 4 .
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1473 | 314.24..4....2.4 | 3142241343211234 | Basic 4x4 Sudoku 1473 | 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 4 .
2 4 . .
4 . . .
. 2 . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1474 | .....41..24...2. | 2134341212434321 | Basic 4x4 Sudoku 1474 | 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 .
. . 2 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1475 | 1.3...21431....3 | 1234342143122143 | Basic 4x4 Sudoku 1475 | 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 3 1 .
. . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1476 | 34.....3..211..4 | 3412214343211234 | Basic 4x4 Sudoku 1476 | 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
. . 2 1
1 . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1477 | 13.2..3..4..31.4 | 1342423124133124 | Basic 4x4 Sudoku 1477 | 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
. . 3 .
. 4 . .
3 1 . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1478 | .41..2.4......23 | 3412123423414123 | Basic 4x4 Sudoku 1478 | 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
. . . .
. . 2 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1479 | 1..3...4....3..1 | 1423231441323241 | Basic 4x4 Sudoku 1479 | 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
. . . .
3 . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1480 | 14......2......1 | 1432321421434321 | Basic 4x4 Sudoku 1480 | 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 . . .
. . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1481 | 43......2......4 | 4312124324313124 | Basic 4x4 Sudoku 1481 | 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 . . .
. . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1482 | 1..24.....3....4 | 1342421324313124 | Basic 4x4 Sudoku 1482 | 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 . . .
. . 3 .
. . . 4 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1483 | .42....12.....32 | 1423324123144132 | Basic 4x4 Sudoku 1483 | 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
2 . . .
. . 3 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1484 | ..4.1..2.1...3.. | 3241143241232314 | Basic 4x4 Sudoku 1484 | 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
. 1 . .
. 3 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1485 | 3.4......3..4132 | 3241142323144132 | Basic 4x4 Sudoku 1485 | 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 . .
4 1 3 2 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1486 | .2..3....14.4.1. | 1234342121434312 | Basic 4x4 Sudoku 1486 | 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 .
4 . 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
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. |
4x4_sudoku_1488 | ....123..4.12..3 | 4312123434212143 | Basic 4x4 Sudoku 1488 | 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 3 .
. 4 . 1
2 . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1489 | 1...34.2...1.13. | 1243341243212134 | Basic 4x4 Sudoku 1489 | 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
. . . 1
. 1 3 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1490 | 2....3..1243.4.1 | 2134431212433421 | Basic 4x4 Sudoku 1490 | 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 2 4 3
. 4 . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1491 | 4.....1..2..1..3 | 4132231432411423 | Basic 4x4 Sudoku 1491 | 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 . .
1 . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1492 | .134.31.14....4. | 2134431214233241 | Basic 4x4 Sudoku 1492 | 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
. 3 1 .
1 4 . .
. . 4 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1493 | 3.212........213 | 3421213413424213 | Basic 4x4 Sudoku 1493 | 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 . 2 1
2 . . .
. . . .
. 2 1 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1494 | .1..431..423.2.. | 2134431214233241 | Basic 4x4 Sudoku 1494 | 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 .
. 4 2 3
. 2 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1495 | 3.....4...2.1... | 3412214343211234 | Basic 4x4 Sudoku 1495 | 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 .
. . 2 .
1 . . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1496 | .1..4......43.1. | 2143432112343412 | Basic 4x4 Sudoku 1496 | 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 . . .
. . . 4
3 . 1 . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1497 | 2..4..2..4..1..3 | 2134432134121243 | Basic 4x4 Sudoku 1497 | 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
. . 2 .
. 4 . .
1 . . 3 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1498 | .....13..4..2..1 | 3214413214232341 | Basic 4x4 Sudoku 1498 | 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 . . 1 | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
4x4_sudoku_1499 | 4.1....321...4.. | 4312124321343421 | Basic 4x4 Sudoku 1499 | 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
2 1 . .
. 4 . . | 4 | 4 | None | Complete the sudoku board based on the rules and visual elements. |
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