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Easy · Puzzle #669
6
5
3
7
8
1
9
4
3
6
7
2
9
4
6
5
3
5
6
7
1
4
2
4
8
7
2
6
1
3
9
7
6
2
5
9
1
8
6
2
3
6
5
1
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.