Sudoku puzzles with symmetry, easier or harder?
| None | Symmetry | |
|---|---|---|
| Simple | 229 | 734 |
| Easy | 4618 | 1920 |
| Intermediate | 1667 | 225 |
| Expert | 3486 | 7121 |
Number of puzzles generated
Sources:
ostermiller.org
| None | Symmetry | |
|---|---|---|
| Simple | 229 | 734 |
| Easy | 4618 | 1920 |
| Intermediate | 1667 | 225 |
| Expert | 3486 | 7121 |