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_1800
....2..3..313.4.
1324241342313142
Basic 4x4 Sudoku 1800
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 1 3 . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1801
13.2..1324...1..
1342421324313124
Basic 4x4 Sudoku 1801
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 3 2 4 . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1802
.4...241...4.3..
1423324121344312
Basic 4x4 Sudoku 1802
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 1 . . . 4 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1803
41..3...1.4.....
4123321413422431
Basic 4x4 Sudoku 1803
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 . . . 1 . 4 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1804
.3.22.133..4...1
1342241331244231
Basic 4x4 Sudoku 1804
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 3 3 . . 4 . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1805
3.1.1..32.3....1
3412124321344321
Basic 4x4 Sudoku 1805
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 . . 3 2 . 3 . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1806
..424....3..2..3
3142423113242413
Basic 4x4 Sudoku 1806
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 . . 2 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1807
..232..14132....
1423234141323214
Basic 4x4 Sudoku 1807
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 2 . . 1 4 1 3 2 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1808
..3232...3144...
1432324123144123
Basic 4x4 Sudoku 1808
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 . . . 3 1 4 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1809
.324.2.3......4.
1324421324313142
Basic 4x4 Sudoku 1809
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 . 2 . 3 . . . . . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1810
3.4.14.321..4...
3241142321344312
Basic 4x4 Sudoku 1810
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 1 . . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1811
3....4....2.4.3.
3142241313244231
Basic 4x4 Sudoku 1811
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_1812
1.3....1...3.2..
1432234141233214
Basic 4x4 Sudoku 1812
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 . . . 3 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1813
.......3.34.413.
3214142323414132
Basic 4x4 Sudoku 1813
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 . 4 1 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1814
1432..4..2..4.2.
1432234132144123
Basic 4x4 Sudoku 1814
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 2 . . 4 . . 2 . . 4 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1815
24.3.1.2.2.....4
2413314242311324
Basic 4x4 Sudoku 1815
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 . 1 . 2 . 2 . . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1816
..2....4.2.1.4..
4123231432411432
Basic 4x4 Sudoku 1816
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 . 1 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1817
....43.1....314.
1234432124133142
Basic 4x4 Sudoku 1817
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 . . . . 3 1 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1818
43...1.4.2.1...3
4312213432411423
Basic 4x4 Sudoku 1818
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 . 2 . 1 . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1819
43......2.13.14.
4321123424133142
Basic 4x4 Sudoku 1819
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 . 1 3 . 1 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1820
41..2..4.43.....
4123231414323241
Basic 4x4 Sudoku 1820
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 . 4 3 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1821
41...2...3.4.41.
4132324113242413
Basic 4x4 Sudoku 1821
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 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1822
.13....2.3......
2134341243211243
Basic 4x4 Sudoku 1822
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
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1823
.214.1....2.2.4.
3214413214232341
Basic 4x4 Sudoku 1823
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 . 1 . . . . 2 . 2 . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1824
.341.43.41......
2341143241233214
Basic 4x4 Sudoku 1824
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 . 4 1 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1825
.2.4.1..2.31..4.
3214412324311342
Basic 4x4 Sudoku 1825
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 1 . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1826
.41.....4..1.2.3
3412213443211243
Basic 4x4 Sudoku 1826
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 . . . . . 4 . . 1 . 2 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1827
1.24....423.3...
1324241342313142
Basic 4x4 Sudoku 1827
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 2 3 . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1828
.1...2.3..2.....
3142421313242431
Basic 4x4 Sudoku 1828
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 . . 2 . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1829
1......4..43.321
1432321421434321
Basic 4x4 Sudoku 1829
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 . 3 2 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1830
31.4.21.1.....3.
3124421313422431
Basic 4x4 Sudoku 1830
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 1 . 1 . . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1831
......24.3...24.
2431312443121243
Basic 4x4 Sudoku 1831
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 . . . 2 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1832
...4...24....2.3
2134341243211243
Basic 4x4 Sudoku 1832
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_1833
.31....234.11..3
2314413234211243
Basic 4x4 Sudoku 1833
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 3 4 . 1 1 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1834
2........41....3
2134432134121243
Basic 4x4 Sudoku 1834
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 . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1835
.2....3.1.23...4
3241413214232314
Basic 4x4 Sudoku 1835
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 3 . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1836
..3......2.31.2.
2431314242131324
Basic 4x4 Sudoku 1836
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 1 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1837
1.24....4..1....
1324241342313142
Basic 4x4 Sudoku 1837
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_1838
..2..4..4......3
3124243143121243
Basic 4x4 Sudoku 1838
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 . . . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1839
.1..3..1..4.43..
2134342112434312
Basic 4x4 Sudoku 1839
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 . 4 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1840
.4122.43....1.2.
3412214342311324
Basic 4x4 Sudoku 1840
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 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1841
..34.....4.1.2..
2134431234211243
Basic 4x4 Sudoku 1841
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 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1842
..2.4.3.2....1..
1324423124133142
Basic 4x4 Sudoku 1842
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 . 2 . . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1843
...4.41.214..3.1
1234341221434321
Basic 4x4 Sudoku 1843
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 1 . 2 1 4 . . 3 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1844
......3.3.24.4..
1342423131242413
Basic 4x4 Sudoku 1844
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 . 2 4 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1845
..2.2341.4....3.
4123234134121234
Basic 4x4 Sudoku 1845
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 . 2 3 4 1 . 4 . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1846
......4..31..2..
3421214343121234
Basic 4x4 Sudoku 1846
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1847
4.1.1..234...13.
4213134234212134
Basic 4x4 Sudoku 1847
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 . . 2 3 4 . . . 1 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1848
42.......4.1.324
4213314224311324
Basic 4x4 Sudoku 1848
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 . 1 . 3 2 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1849
.3.1.......2.14.
4321123434122143
Basic 4x4 Sudoku 1849
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 . 1 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1850
23.1.4.2..1.4...
2341143232144123
Basic 4x4 Sudoku 1850
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 . . 1 . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1851
.4.2.....12.4...
1432234131244213
Basic 4x4 Sudoku 1851
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 . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1852
.1.2...3.4......
3142421324311324
Basic 4x4 Sudoku 1852
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 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1853
...223....1.3..4
1432234142133124
Basic 4x4 Sudoku 1853
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 2 3 . . . . 1 . 3 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1854
.4.3.1.4.....3..
2413312442311342
Basic 4x4 Sudoku 1854
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_1855
.21.31..2...14.2
4213312423411432
Basic 4x4 Sudoku 1855
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 1 . . 2 . . . 1 4 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1856
1....4.22......3
1234341223414123
Basic 4x4 Sudoku 1856
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 2 . . . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1857
31...23.14..2...
3142423114232314
Basic 4x4 Sudoku 1857
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 3 . 1 4 . . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1858
3.1...4.4....3..
3412214342311324
Basic 4x4 Sudoku 1858
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 . 4 . . . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1859
21..34.2..2.1.4.
2134341243211243
Basic 4x4 Sudoku 1859
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 . . 2 . 1 . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1860
...3231.....1...
4123231432411432
Basic 4x4 Sudoku 1860
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 1 . . . . . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1861
.1.......2.1143.
4123231432411432
Basic 4x4 Sudoku 1861
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 1 4 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1862
1.....2.4.....1.
1243342141322314
Basic 4x4 Sudoku 1862
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1863
...2.1......1.23
4312213432411423
Basic 4x4 Sudoku 1863
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 . . . . . . 1 . 2 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1864
..244.3..142.4..
1324423131422413
Basic 4x4 Sudoku 1864
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 . 3 . . 1 4 2 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1865
......4..1.43.1.
4321124321343412
Basic 4x4 Sudoku 1865
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 . 4 3 . 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1866
.3.2.....1.4241.
1342423131242413
Basic 4x4 Sudoku 1866
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 2 4 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1867
4..2..1.3...12..
4132231434211243
Basic 4x4 Sudoku 1867
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 . . . 1 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1868
1.3.3.......4.12
1234342121434312
Basic 4x4 Sudoku 1868
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 . . . . . . . 4 . 1 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1869
31......1.4..3..
3124243112434312
Basic 4x4 Sudoku 1869
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 . 4 . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1870
...31...24.....4
4213134224313124
Basic 4x4 Sudoku 1870
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 4 . . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1871
4...1..2.41..1.4
4231134224133124
Basic 4x4 Sudoku 1871
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 . . 1 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1872
12.3...23.2..4..
1243431231242431
Basic 4x4 Sudoku 1872
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 . . . 2 3 . 2 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1873
..4.43.1....14..
2143432132141432
Basic 4x4 Sudoku 1873
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 . . . . 1 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1874
1432...4.1..4...
1432321421434321
Basic 4x4 Sudoku 1874
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 2 . . . 4 . 1 . . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1875
.1.2.24.2.1....4
4132324124131324
Basic 4x4 Sudoku 1875
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 4 . 2 . 1 . . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1876
.12442.1...22...
3124423113422413
Basic 4x4 Sudoku 1876
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 2 . 1 . . . 2 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1877
43.......23...2.
4312214312343421
Basic 4x4 Sudoku 1877
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 . . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1878
......2.2.1414.2
3241412323141432
Basic 4x4 Sudoku 1878
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 . 2 . 1 4 1 4 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1879
.3....231..23..1
2314412314323241
Basic 4x4 Sudoku 1879
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 1 . . 2 3 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1880
.......44.2.1...
3412213443211243
Basic 4x4 Sudoku 1880
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 . 2 . 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1881
...1...3.3.212.4
3421214343121234
Basic 4x4 Sudoku 1881
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 1 2 . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1882
21.3342......23.
2143342143121234
Basic 4x4 Sudoku 1882
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 2 . . . . . . 2 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1883
..34....3..11.43
2134431234211243
Basic 4x4 Sudoku 1883
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 . . 1 1 . 4 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1884
.4..1.....232...
3412123441232341
Basic 4x4 Sudoku 1884
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 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1885
..1..1.44..11..2
2413312442311342
Basic 4x4 Sudoku 1885
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 4 . . 1 1 . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1886
2......2.1..3..1
2314143241233241
Basic 4x4 Sudoku 1886
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 . . . . . . 2 . 1 . . 3 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1887
...2.4...2313.24
1342241342313124
Basic 4x4 Sudoku 1887
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
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1888
..32.....34.4...
1432321423414123
Basic 4x4 Sudoku 1888
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 4 . 4 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1889
.13.32.1.4....24
4132324124131324
Basic 4x4 Sudoku 1889
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 . 1 . 4 . . . . 2 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1890
.4..1..3...1....
3412124343212134
Basic 4x4 Sudoku 1890
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 . . . 1 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1891
...2.4...2....21
3142241312344321
Basic 4x4 Sudoku 1891
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 . . . . 2 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1892
.314143..2...1..
2314143232414123
Basic 4x4 Sudoku 1892
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 1 4 3 . . 2 . . . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1893
.21....2.1..24..
4213134231242431
Basic 4x4 Sudoku 1893
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 . 1 . . 2 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1894
...22.1.41......
1432231441233241
Basic 4x4 Sudoku 1894
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 2 . 1 . 4 1 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1895
..41..3.42..3...
2341143242133124
Basic 4x4 Sudoku 1895
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 2 . . 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1896
.12..231.4......
3124423124131342
Basic 4x4 Sudoku 1896
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 3 1 . 4 . . . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1897
...24213.32....1
3142421313242431
Basic 4x4 Sudoku 1897
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 1 3 . 3 2 . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1898
.2..14.....2.1..
3241142343122134
Basic 4x4 Sudoku 1898
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 . . . . . 2 . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_1899
..3....2.4....1.
4231314214232314
Basic 4x4 Sudoku 1899
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 .
4
4
None
Complete the sudoku board based on the rules and visual elements.