- Code: Select all
+--------------------+--------------------+-----------------+
| 359* 359* 8 | 2 7 1 | 6 4 59 |
| 4 1 b56 | 36 368 9 | 7 2 58 |
| 7 69 2 | 5 68 4 | 1 3 89 |
+--------------------+--------------------+-----------------+
| 1 8 56-4 | 9 3456 56 | 2 7 34 |
| 35* a345* 9 | 7 345 2 | 8 1 6 |
| 2 346 7 | 346 1 8 | 5 9 34 |
+--------------------+--------------------+-----------------+
| 569 459 1 | 8 456 7 | 3 56 2 |
| 8 7 c45 | 46 2 3 | 9 56 1 |
| 56 2 3 | 1 9 56 | 4 8 7 |
+--------------------+--------------------+-----------------+
UR (35)r15c12 using mixed internal-external
(4)r5c2 == (5)r2c3 - (5=4)r8c3 => -4 r4c3; ste