PlaySudoku.us
Evil · Puzzle #302
5
7
7
3
2
1
3
8
1
3
2
5
6
8
1
6
9
2
8
9
5
4
5
3
7
6
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Quad
- Pointing Pair
- Box-Line Reduction
- Finned X-Wing
- XY-Chain
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.
"The only way to do great work is to love what you do." — Steve Jobs
"The only way to do great work is to love what you do." — Steve Jobs