- Code: Select all
*--------------------------------------------------------------*
| 24689 1489 12689 | 15689 3569 13589 | 7 45 2389 |
|c26789 789 5 | 4 d3679 3789 | 239 39 1 |
| 4789 3 189 | 1589 2 15789 | 45 6 89 |
|-------------------+---------------------+--------------------|
| 34569 2 369 | 59 1 f47 | 3569 8 g379-6 |
|b5689 1589 7 | 3 59 28 |a12569 159 4 |
| 34589 14589 1389 | 28 e47 6 | 12359 13579 2379 |
|-------------------+---------------------+--------------------|
| 1 57 239 | 2569 34569 23459 | 8 3479 3679 |
| 2389 89 4 | 7 369 1239 | 1369 139 5 |
| 57 6 39 | 159 8 13459 | 1349 2 379 |
*--------------------------------------------------------------*
(6) r5c7 = r5c1 - r2c1 = (6-7) r2c5 = r6c5 - r4c6 = (7) r4c9 => - 6 r4c9; stte
The non US version solves similarly - I'm guessing it's a morph.
Leren