PlaySudoku.us
Hard · Puzzle #1
2
8
7
6
2
5
7
2
3
1
4
4
5
7
6
9
6
4
3
7
5
7
5
8
4
2
7
1
8
"Do not worry about your difficulties in mathematics. I can assure you mine are still greater." — Albert Einstein
"Do not worry about your difficulties in mathematics. I can assure you mine are still greater." — Albert Einstein
"Life is really simple, but we insist on making it complicated." — Confucius
"Life is really simple, but we insist on making it complicated." — Confucius