PlaySudoku.us
Hard · Puzzle #729
6
9
5
8
8
1
5
7
2
3
6
5
9
5
7
2
1
5
3
8
7
2
2
8
5
1
5
9
8
Try a puzzle two difficulty levels above your usual. Struggle is how expertise grows.
Try a puzzle two difficulty levels above your usual. Struggle is how expertise grows.
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.