PlaySudoku.us
Evil · Puzzle #592
3
8
9
6
7
8
5
4
3
4
5
2
9
6
1
1
2
7
6
9
2
5
4
6
Techniques used
- Naked Single
- Hidden Single
- Naked Triple
- Naked Pair
- Pointing Pair
- XY-Wing
- Box-Line Reduction
- W-Wing
- XY-Chain
For hard puzzles, do a full pencil-mark pass before making any moves. Incomplete marks are worse than no marks.
For hard puzzles, do a full pencil-mark pass before making any moves. Incomplete marks are worse than no marks.
"I was taught that the way of progress was neither swift nor easy." — Marie Curie
"I was taught that the way of progress was neither swift nor easy." — Marie Curie