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Expert · Puzzle #338
5
5
3
1
4
9
5
8
2
3
7
1
2
6
7
8
6
6
7
4
1
4
6
3
7
"The combination player thinks forward; he starts from the given position and tries to find the conclusion of the combination." — Emanuel Lasker
"The combination player thinks forward; he starts from the given position and tries to find the conclusion of the combination." — Emanuel Lasker
X-Wing: if a digit appears in exactly two cells in two rows, and those cells share the same two columns, eliminate that digit from those columns elsewhere.
X-Wing: if a digit appears in exactly two cells in two rows, and those cells share the same two columns, eliminate that digit from those columns elsewhere.