PlaySudoku.us
Medium · Puzzle #511
9
5
2
5
2
6
6
3
4
9
5
4
6
9
8
1
9
7
6
2
9
1
1
8
4
5
9
3
4
1
6
2
"If you know the enemy and know yourself, you need not fear the result of a hundred battles." — Sun Tzu
"If you know the enemy and know yourself, you need not fear the result of a hundred battles." — Sun Tzu
"Every chess master was once a beginner." — Irving Chernev
"Every chess master was once a beginner." — Irving Chernev