PlaySudoku.us
Evil · Puzzle #938
3
1
9
8
3
7
6
7
5
9
4
4
8
7
5
6
9
4
5
3
7
1
3
Techniques used
- Hidden Single
- Naked Pair
- Naked Single
- Box-Line Reduction
- W-Wing
- XY-Chain
- UR Type 4
- Forcing Chains
- Naked Triple
- Pointing Pair
- X-Wing
- XY-Wing
"To ask the right question is harder than to answer it." — Georg Cantor
"To ask the right question is harder than to answer it." — Georg Cantor
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.
Wayne Gould distributed his Sudoku software for free to newspapers — he made his money selling puzzle books.