PlaySudoku.us
Hard · Puzzle #976
7
2
3
6
4
2
4
8
7
6
5
1
9
9
8
7
9
3
5
3
5
6
2
9
2
9
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.
Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.