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Evil · Puzzle #778
1
3
9
8
6
2
3
5
2
7
9
4
1
3
1
8
2
2
6
5
3
7
6
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.