PlaySudoku.us
Evil · Puzzle #671
1
3
6
3
5
1
8
9
7
6
2
9
2
1
7
3
6
8
8
5
2
9
4
2
5
Techniques used
- Hidden Single
- Naked Quad
- Naked Single
- Naked Pair
- Box-Line Reduction
- W-Wing
- XY-Chain
"The measure of a great scientist is not the answers they give but the questions they ask." — Unknown
"The measure of a great scientist is not the answers they give but the questions they ask." — Unknown
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.