PlaySudoku.us
Medium · Puzzle #627
2
6
4
5
2
5
8
7
8
7
9
2
6
9
8
5
2
7
3
1
2
9
6
7
8
3
9
8
4
8
4
9
9
2
8
1
"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