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Expert · Puzzle #781
9
8
1
3
7
5
4
4
9
8
9
4
7
5
8
3
8
9
2
5
9
2
7
5
4
8
"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.