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Evil · Puzzle #499
8
2
7
1
5
4
9
5
7
3
2
6
3
4
3
3
6
1
2
5
2
4
5
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.