PlaySudoku.us
Evil · Puzzle #108
8
5
7
6
1
4
1
3
8
6
8
4
4
5
1
2
2
3
7
9
3
9
6
4
5
The longest Sudoku solving session in a competitive setting lasted over 8 hours — an endurance format.
The longest Sudoku solving session in a competitive setting lasted over 8 hours — an endurance format.
"The more you know, the more you know you don't know." — Aristotle
"The more you know, the more you know you don't know." — Aristotle