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Evil · Puzzle #994
6
7
2
3
1
6
4
5
6
1
8
2
6
7
3
7
4
9
7
4
8
3
6
7
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.