PlaySudoku.us
Expert · Puzzle #404
2
7
9
4
2
4
3
1
3
6
9
3
7
1
6
7
4
8
8
6
8
7
7
5
2
4
"Chess demands total concentration." — Bobby Fischer
"Chess demands total concentration." — Bobby Fischer
"Knowing others is wisdom. Knowing yourself is enlightenment." — Laozi
"Knowing others is wisdom. Knowing yourself is enlightenment." — Laozi