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Evil · Puzzle #796
4
1
6
5
2
3
6
7
5
4
6
7
3
5
1
6
9
7
9
5
8
7
3
4
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.