PlaySudoku.us
Medium · Puzzle #414
2
4
7
9
8
6
2
1
5
6
5
8
4
7
8
1
1
2
4
2
5
3
5
6
3
4
8
4
5
3
9
6
7
4
8
2
Try a puzzle two difficulty levels above your usual. Struggle is how expertise grows.
Try a puzzle two difficulty levels above your usual. Struggle is how expertise grows.
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.