PlaySudoku.us
Hard · Puzzle #68
3
5
2
1
2
8
7
5
9
2
9
7
8
6
8
5
7
3
7
6
1
2
3
1
4
9
2
5
7
1
Nikoli, the Japanese puzzle company that popularized Sudoku, requires all their puzzles to be created by hand — no computers.
Nikoli, the Japanese puzzle company that popularized Sudoku, requires all their puzzles to be created by hand — no computers.
"Judge a man by his questions rather than by his answers." — Voltaire
"Judge a man by his questions rather than by his answers." — Voltaire