PlaySudoku.us
Evil · Puzzle #543
2
3
6
8
8
1
5
2
7
6
1
4
5
2
4
9
3
4
9
1
8
3
6
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Quad
- Pointing Pair
- Box-Line Reduction
- Naked Triple
- Forcing Chains
- XY-Chain
If you solved one unique Sudoku puzzle per second, it would take you over 200 trillion years to solve every possible grid.
If you solved one unique Sudoku puzzle per second, it would take you over 200 trillion years to solve every possible grid.
Complete an Evil puzzle from start to finish in a single uninterrupted session. No breaks, no distractions.
Complete an Evil puzzle from start to finish in a single uninterrupted session. No breaks, no distractions.