PlaySudoku.us
Evil · Puzzle #143
8
3
7
9
2
6
8
4
2
4
7
2
1
3
6
5
4
7
1
3
2
1
3
6
9
"Absence of evidence is not evidence of absence." — Carl Sagan
"Absence of evidence is not evidence of absence." — Carl Sagan
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.