
https://prnt.sc/pzibzqbbDwc7
.5..6.7....1.......2.1.......8......5....96.....472.9.36.....48.....7.3..4..9....
.---------------.-----------------.--------------------.
| 48 5 34 | 9 6 348 | 7 128 1234 |
| 69 38 1 | 7 2358 3458 | 2345 2568 23469 |
| 7 2 69 | 1 358 3458 | 345 568 3469 |
:---------------+-----------------+--------------------:
| 24 9 8 | 356 135 1356 | 1234 127 12347 |
| 5 7 24 | 38 138 9 | 6 12 1234 |
| 16 13 36 | 4 7 2 | 8 9 5 |
:---------------+-----------------+--------------------:
| 3 6 7 | 25 125 15 | 9 4 8 |
| 1289 18 259 | 68 4 7 | 125 3 126 |
| 128 4 25 | 368 9 368 | 125 12567 1267 |
'---------------'-----------------'--------------------'