PlaySudoku.us
Medium · Puzzle #556
5
8
7
6
1
2
8
5
1
3
5
4
8
9
7
6
5
9
5
8
7
6
2
9
1
2
9
8
3
1
6
8
2
"My brain is open." — Paul Erdős
"My brain is open." — Paul Erdős
"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