PlaySudoku.us
Evil · Puzzle #629
9
7
8
9
6
1
4
1
6
4
5
9
2
3
5
8
1
3
4
6
8
3
5
2
4
Techniques used
- Hidden Single
- Naked Single
- Naked Triple
- Pointing Pair
- Pointing Triple
- Box-Line Reduction
- Forcing Chains
"One man practicing sportsmanship is far better than 50 others preaching it." — Knute Rockne
"One man practicing sportsmanship is far better than 50 others preaching it." — Knute Rockne
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.