PlaySudoku.us
Expert · Puzzle #109
7
9
1
3
2
4
7
1
8
4
5
6
1
6
2
7
6
3
4
8
2
3
5
7
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.
There is a 'Sudoku variant' called Samurai Sudoku, consisting of five overlapping 9×9 grids sharing corner boxes.
There is a 'Sudoku variant' called Samurai Sudoku, consisting of five overlapping 9×9 grids sharing corner boxes.