PlaySudoku.us
Expert · Puzzle #136
5
8
9
6
7
3
7
8
3
7
1
4
9
5
1
4
3
9
6
4
8
9
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.
"Impossible is not a fact. It's an opinion. Impossible is not a declaration. It's a dare." — Muhammad Ali
"Impossible is not a fact. It's an opinion. Impossible is not a declaration. It's a dare." — Muhammad Ali