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Evil · Puzzle #976
7
2
5
7
4
6
9
6
1
5
8
1
3
9
7
1
2
4
4
3
6
3
5
4
6
8
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.