PlaySudoku.us
Hard · Puzzle #434
9
8
8
1
7
3
2
6
4
8
9
5
6
3
7
9
4
7
1
2
4
1
7
2
3
2
9
"In the middle of every difficulty lies opportunity." — Albert Einstein
"In the middle of every difficulty lies opportunity." — Albert Einstein
"Chess demands total concentration." — Bobby Fischer
"Chess demands total concentration." — Bobby Fischer