PlaySudoku.us
Hard · Puzzle #976
7
2
3
6
4
2
4
8
7
6
5
1
9
9
8
7
9
3
5
3
5
6
2
9
2
9
"Try to be a rainbow in someone's cloud." — Maya Angelou
"Try to be a rainbow in someone's cloud." — Maya Angelou
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.