PlaySudoku.us
Expert · Puzzle #880
2
8
7
1
3
5
5
8
4
4
3
9
4
2
6
8
7
3
8
6
1
2
9
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.
"No great mind has ever existed without a touch of madness." — Aristotle
"No great mind has ever existed without a touch of madness." — Aristotle