PlaySudoku.us
Evil · Puzzle #149
5
9
1
7
6
3
6
4
7
2
4
7
9
4
9
8
1
3
2
4
6
8
5
8
Techniques used
- Naked Single
- Hidden Single
- Naked Triple
- Naked Pair
- Naked Quad
- Pointing Triple
- 2-String Kite
- Box-Line Reduction
- XY-Chain
- Forcing Chains
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