PlaySudoku.us
Hard · Puzzle #3
9
8
7
4
7
2
6
9
5
4
3
1
3
8
4
1
2
5
3
2
8
7
9
4
9
1
5
6
9
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.
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.