PlaySudoku.us
Evil · Puzzle #226
6
3
3
6
9
5
7
1
4
3
2
4
1
7
3
2
8
1
9
5
2
5
6
7
3
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Box-Line Reduction
- W-Wing
- 2-String Kite
- Finned X-Wing
- Forcing Chains
- XY-Wing
"Imagination is more important than knowledge." — Albert Einstein
"Imagination is more important than knowledge." — Albert Einstein
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.
Despite its Japanese name, Sudoku was invented by an American and popularized in Japan before going global.