PlaySudoku.us
Medium · Puzzle #332
3
4
8
1
5
8
7
8
9
4
7
6
3
9
1
2
1
8
9
1
9
5
6
3
5
8
5
1
2
9
2
6
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 average newspaper Sudoku takes about 20 minutes to solve for an experienced solver.
The average newspaper Sudoku takes about 20 minutes to solve for an experienced solver.