Solution 1
Here is the solution to the Perfect Han’en puzzle that was introduced in this post. The cells that were provided as clues are in bold type.
| 4 | 1 | 9 | 6 | 8 | 2 | 30 |
| 2 | 3 | 4 | 7 | 5 | 9 | 30 |
| 6 | 7 | 2 | 1 | 9 | 5 | 30 |
| 7 | 8 | 6 | 5 | 1 | 3 | 30 |
| 3 | 6 | 8 | 2 | 4 | 7 | 30 |
| 8 | 5 | 1 | 9 | 3 | 4 | 30 |
| 30 | 30 | 30 | 30 | 30 | 30 | 180 |
