PlaySudoku.us
Medium · Puzzle #272
5
6
2
9
8
1
9
1
7
5
6
7
9
2
6
4
8
3
3
4
1
2
5
6
9
3
4
6
1
9
1
5
6
4
6
4
7
"You have power over your mind, not outside events. Realize this, and you will find strength." — Marcus Aurelius
"You have power over your mind, not outside events. Realize this, and you will find strength." — Marcus Aurelius
On average, a hard Sudoku requires 50–100 candidate eliminations before the grid is fully solved.
On average, a hard Sudoku requires 50–100 candidate eliminations before the grid is fully solved.