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Expert · Puzzle #977
4
2
9
3
1
3
7
5
9
8
3
6
4
1
9
2
8
9
2
6
2
5
3
1
6
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.