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_800
31..2.......1.3.
3142241343211234
Basic 4x4 Sudoku 800
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 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_801
2.1..4....4....1
2314142331424231
Basic 4x4 Sudoku 801
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 . . . . 4 . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_802
..3..4.24...21..
1234341243212143
Basic 4x4 Sudoku 802
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 . . . 2 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_803
.1.....2..4.3...
2134431212433421
Basic 4x4 Sudoku 803
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_804
.1..3.4..3.4..3.
4123324123141432
Basic 4x4 Sudoku 804
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 . 4 . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_805
3.414...24...32.
3241413224131324
Basic 4x4 Sudoku 805
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 . . . 2 4 . . . 3 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_806
3......4.....21.
3421213413424213
Basic 4x4 Sudoku 806
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_807
...3..2....14...
2413132432414132
Basic 4x4 Sudoku 807
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 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_808
41...2....1..42.
4132324123141423
Basic 4x4 Sudoku 808
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 . . 4 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_809
.23......1..4.2.
1234341221434321
Basic 4x4 Sudoku 809
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 3 . . . . . . 1 . . 4 . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_810
.2...13....41...
3241413223141423
Basic 4x4 Sudoku 810
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 1 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_811
...2..4..423.314
4132324114232314
Basic 4x4 Sudoku 811
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 2 3 . 3 1 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_812
.2....21..4224..
1234432131422413
Basic 4x4 Sudoku 812
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 2 2 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_813
4....1.4...1.3..
4213312424311342
Basic 4x4 Sudoku 813
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 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_814
..31....23.414..
4231314223141423
Basic 4x4 Sudoku 814
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 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_815
..2...43.1...3.2
3421124321344312
Basic 4x4 Sudoku 815
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 . . . 3 . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_816
.41.......4.4..3
3412123423414123
Basic 4x4 Sudoku 816
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 . 4 . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_817
.24.43.....13...
1243431224313124
Basic 4x4 Sudoku 817
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 3 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_818
.13...2..3.2.21.
2134342113424213
Basic 4x4 Sudoku 818
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 . 2 . 2 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_819
......3..4..2341
3214413214232341
Basic 4x4 Sudoku 819
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 3 4 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_820
.23.3......34..1
1234341221434321
Basic 4x4 Sudoku 820
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 . . . . . . 3 4 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_821
.3.2.1.4.2....21
4312213412433421
Basic 4x4 Sudoku 821
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 . . . . 2 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_822
..12........31..
4312124324313124
Basic 4x4 Sudoku 822
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 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_823
.23....1..1....2
1234432124133142
Basic 4x4 Sudoku 823
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 . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_824
23...1.2..2...14
2341413214233214
Basic 4x4 Sudoku 824
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 . . 2 . . . 1 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_825
.241...3.1.....2
3241142321344312
Basic 4x4 Sudoku 825
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 . 1 . . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_826
4..2.3...243....
4132231412433421
Basic 4x4 Sudoku 826
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
4 . . 2 . 3 . . . 2 4 3 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_827
.3.4.......2.41.
1324423131422413
Basic 4x4 Sudoku 827
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 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_828
2..334.........2
2143342112344312
Basic 4x4 Sudoku 828
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 . . . . . . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_829
.2.4..21.412....
1234432134122143
Basic 4x4 Sudoku 829
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 1 2 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_830
.142....4..1.3..
3142241342311324
Basic 4x4 Sudoku 830
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 4 2 . . . . 4 . . 1 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_831
.4..23..4..2...4
1423234141323214
Basic 4x4 Sudoku 831
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 . . 4 . . 2 . . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_832
...4.2...14....3
1324423131422413
Basic 4x4 Sudoku 832
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 4 . . . . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_833
......3..4..3.2.
1342423124133124
Basic 4x4 Sudoku 833
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 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_834
.34.2......1....
1342241342313124
Basic 4x4 Sudoku 834
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_835
..34.........413
1234432131422413
Basic 4x4 Sudoku 835
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. . 3 4 . . . . . . . . . 4 1 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_836
2...4.3....4....
2341413232141423
Basic 4x4 Sudoku 836
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 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_837
.....1.4..4..23.
2413312413424231
Basic 4x4 Sudoku 837
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 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_838
4..1.1....4....2
4321213412433412
Basic 4x4 Sudoku 838
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 . . . . 4 . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_839
3.14...3....143.
3214412323411432
Basic 4x4 Sudoku 839
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 . . . 3 . . . . 1 4 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_840
..1..13.1..32...
3214413214232341
Basic 4x4 Sudoku 840
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 . 1 . . 3 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_841
43.11..4...334..
4321123421433412
Basic 4x4 Sudoku 841
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 1 . . 4 . . . 3 3 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_842
.34...31.214.1..
1342243132144123
Basic 4x4 Sudoku 842
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 . 2 1 4 . 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_843
..13..24.3..14..
4213312423411432
Basic 4x4 Sudoku 843
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 . 3 . . 1 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_844
213........3341.
2134432112433412
Basic 4x4 Sudoku 844
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 3 4 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_845
3..21....12323..
3412123441232341
Basic 4x4 Sudoku 845
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 . . . . 1 2 3 2 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_846
1..2..1.412.2...
1432321441232341
Basic 4x4 Sudoku 846
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 1 2 . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_847
..433..1.31..23.
2143342143121234
Basic 4x4 Sudoku 847
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 3 . . 1 . 3 1 . . 2 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_848
124....1....4.3.
1243342123144132
Basic 4x4 Sudoku 848
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 . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_849
...2124.....3.21
4312124321343421
Basic 4x4 Sudoku 849
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 . . . . . 3 . 2 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_850
3142....1....43.
3142421313242431
Basic 4x4 Sudoku 850
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 . . . . 4 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_851
......1..3.2.2..
3124241313424231
Basic 4x4 Sudoku 851
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 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_852
.2.313....4.2...
4213132431422431
Basic 4x4 Sudoku 852
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 3 . . . . 4 . 2 . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_853
21.4.41.1.4....1
2134341212434321
Basic 4x4 Sudoku 853
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 . 4 1 . 1 . 4 . . . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_854
.2.3....14...3..
4213312414322341
Basic 4x4 Sudoku 854
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 . 3 . . . . 1 4 . . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_855
.2..4......12..4
1243431234212134
Basic 4x4 Sudoku 855
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 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_856
43........3..2..
4321214314323214
Basic 4x4 Sudoku 856
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 . . . . . . . . 3 . . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_857
..31..4.....3.1.
2431134241233214
Basic 4x4 Sudoku 857
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 . . . . . 3 . 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_858
3....1..134..2.3
3421213413424213
Basic 4x4 Sudoku 858
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 4 . . 2 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_859
432.........1..4
4321214334121234
Basic 4x4 Sudoku 859
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 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_860
....43........13
1234432131422413
Basic 4x4 Sudoku 860
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
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_861
..232.4.3.12.2..
4123234134121234
Basic 4x4 Sudoku 861
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 . 4 . 3 . 1 2 . 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_862
.2.....4..1.3...
4231132424133142
Basic 4x4 Sudoku 862
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_863
41.2..1.1.2..3..
4132321414232341
Basic 4x4 Sudoku 863
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 . 1 . 2 . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_864
.1..23.....3..4.
4132231414233241
Basic 4x4 Sudoku 864
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 . . . . . 3 . . 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_865
.41.2......11.34
3412214343211234
Basic 4x4 Sudoku 865
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 1 . 3 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_866
2.....2.1.....3.
2413312413424231
Basic 4x4 Sudoku 866
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 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_867
.3....2.1.3..4..
2341412312343412
Basic 4x4 Sudoku 867
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 . 3 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_868
....2..4..4.43.1
3412213412434321
Basic 4x4 Sudoku 868
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 3 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_869
...32.1.....4..1
1423231431424231
Basic 4x4 Sudoku 869
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_870
..43.....4.2123.
2143432134121234
Basic 4x4 Sudoku 870
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 1 2 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_871
.31....3.4.121..
4312124334212134
Basic 4x4 Sudoku 871
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 . 4 . 1 2 1 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_872
.2..312....2.3..
4213312414322341
Basic 4x4 Sudoku 872
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 . . . . 2 . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_873
1..3.31.3......2
1423231432414132
Basic 4x4 Sudoku 873
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 . 3 . . . . . . 2
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_874
.1.34....2.43..1
2143431212343421
Basic 4x4 Sudoku 874
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 1 . 3 4 . . . . 2 . 4 3 . . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_875
...1.2.3..34.4..
4321124321343412
Basic 4x4 Sudoku 875
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 . . 3 4 . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_876
......421.3.....
2413314212344321
Basic 4x4 Sudoku 876
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_877
.1..4.....4...31
3124421313422431
Basic 4x4 Sudoku 877
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_878
13......3.....2.
1342243132144123
Basic 4x4 Sudoku 878
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_879
132....1214..4..
1324423121433412
Basic 4x4 Sudoku 879
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 2 1 4 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_880
3.4....21.2.2..4
3241413214232314
Basic 4x4 Sudoku 880
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 . 2 . 2 . . 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_881
.4....2.......41
2413132441323241
Basic 4x4 Sudoku 881
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
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_882
4.23..4..21..4..
4123234132141432
Basic 4x4 Sudoku 882
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 . . 4 . . 2 1 . . 4 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_883
...3.1.....4..2.
2413314212344321
Basic 4x4 Sudoku 883
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_884
1..23.1.4....3..
1432321441232341
Basic 4x4 Sudoku 884
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 . 1 . 4 . . . . 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_885
4..1.3.2.4....24
4231134224133124
Basic 4x4 Sudoku 885
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 . . . . 2 4
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_886
..14...22....1.3
3214143223414123
Basic 4x4 Sudoku 886
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 . . . . 1 . 3
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_887
...4.213.3.2.4.1
3124421313422431
Basic 4x4 Sudoku 887
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 . 3 . 2 . 4 . 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_888
..4.4..33...12..
2341412334121234
Basic 4x4 Sudoku 888
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 3 . . . 1 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_889
.21.4..3..3.134.
3214412324311342
Basic 4x4 Sudoku 889
Easy Sudoku
Each row, column, and 2×2 subgrid must contain all digits from 1 to 4 exactly once. Digits cannot be repeated within any row, column, or 2×2 subgrid.
. 2 1 . 4 . . 3 . . 3 . 1 3 4 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_890
3..1..4.2...4.1.
3421124321344312
Basic 4x4 Sudoku 890
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 . 1 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_891
41.......412....
4123234134121234
Basic 4x4 Sudoku 891
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 . . . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_892
31...2.....323..
3142423114232314
Basic 4x4 Sudoku 892
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 2 3 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_893
1.4..4.2......2.
1243341221344321
Basic 4x4 Sudoku 893
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 . . . . . . 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_894
......24.1.2.431
4213132431422431
Basic 4x4 Sudoku 894
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 . 4 3 1
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_895
...4..1..3.....2
3124421323411432
Basic 4x4 Sudoku 895
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_896
...3.1..4.....2.
2413314242311324
Basic 4x4 Sudoku 896
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
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_897
1..2.21..1....3.
1342421331242431
Basic 4x4 Sudoku 897
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 1 . . 1 . . . . 3 .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_898
..3...1234..12..
2134431234211243
Basic 4x4 Sudoku 898
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 2 . .
4
4
None
Complete the sudoku board based on the rules and visual elements.
4x4_sudoku_899
.4....3.2..1.12.
3412123423414123
Basic 4x4 Sudoku 899
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 . 1 2 .
4
4
None
Complete the sudoku board based on the rules and visual elements.