Has anyone tried the odd/even puzzle?
The odd numbers are no problem but I've had to use multiple colouring just to reach this stage. Now I'm really stuck! I think in a competition you'd have to resort to guessing and hoping it worked out.
- Code: Select all
*-----------------------------------------------------------*
| 246 246 1 | 26 8 3 | 5 7 9 |
| 3 5 26 | 1 7 9 | 4 28 268 |
| 7 8 9 | 246 5 246 | 1 3 26 |
|-------------------+-------------------+-------------------|
| 1 9 3 | 5 24 248 | 7 6 248 |
| 5 246 268 | 2468 9 7 | 28 1 3 |
| 246 7 268 | 3 1 2468 | 9 5 248 |
|-------------------+-------------------+-------------------|
| 9 26 4 | 7 3 5 | 268 28 1 |
| 268 3 5 | 248 24 1 | 26 9 7 |
| 28 1 7 | 9 6 28 | 3 4 5 |
*-----------------------------------------------------------*
