PlaySudoku.us
Medium · Puzzle #584
1
7
7
2
9
4
5
1
6
1
2
9
9
7
1
8
6
2
3
7
4
4
7
9
8
8
9
5
6
3
7
"Make the best use of what is in your power, and take the rest as it happens." — Epictetus
"Make the best use of what is in your power, and take the rest as it happens." — Epictetus
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.