AndrSudo

This app generates puzzles with difficulty level between 0 and 20.
The probability of generating sudokus with level greater than 0 is about 5%
You can save/open your sudoku.


Rules applied by generator:
1. Singles
2. Hidden singles
3. Intersection
4. Pairs
5. Triples
6. Remote pair
7. Rectangles
8. x-wing
9. Hidden pairs
10. Forcing chains
11. xy-wing
12. Nishio