PlaySudoku.us
Evil · Puzzle #393
4
1
8
9
6
3
7
3
2
8
5
7
5
2
8
4
2
5
1
6
9
5
1
3
2
Techniques used
- Hidden Single
- Naked Single
- Pointing Pair
- X-Wing
- W-Wing
- Forcing Chains
"Real knowledge is to know the extent of one's ignorance." — Confucius
"Real knowledge is to know the extent of one's ignorance." — Confucius
The first Sudoku World Championship was held in Lucca, Italy, in 2006.
The first Sudoku World Championship was held in Lucca, Italy, in 2006.