PlaySudoku.us
Medium · Puzzle #440
5
4
1
6
1
5
1
9
2
7
2
4
9
8
5
3
5
7
4
6
7
9
8
7
1
5
6
1
9
4
5
"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