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Evil · Puzzle #687
8
5
2
9
2
4
3
7
8
5
3
7
4
9
1
3
3
8
7
2
3
7
8
7
6
4
5
X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.
X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.
X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.
X-Wing: if a digit appears in exactly two cells in two different rows, and those cells share the same columns, you can eliminate that digit from those columns elsewhere.