There's a port of Simon Tatham's portable puzzle collection that's been created for Android by Chris Boyle. It threw up this Unequal puzzle that I found so pleasingly symmetric, I decided to record it here.
| < | 2 | |||||
| < | ||||||
| V | ^ | |||||
| < |
| 2 | 3 | 4 | 1 | |||
| 1 | < | 2 | 3 | 4 | ||
| 4 | 1 | 2 | < | 3 | ||
| V | ^ | |||||
| 3 | 4 | 1 | < | 2 |
And here's another similar symmetric puzzle (this time in the adjacent mode of the puzzle).
| 1 | | | |||||
| - | - | |||||
| | | | | |||||
| - | - | |||||
| | | ||||||
| - | - | |||||
| | | | | 3 |
| 3 | 1 | | | 2 | 4 | ||
| - | - | |||||
| 4 | | | 3 | 1 | | | 2 | |
| - | - | |||||
| 2 | 4 | | | 3 | 1 | ||
| - | - | |||||
| 1 | | | 2 | 4 | | | 3 |