- Code: Select all
+-----------------+------------------+-----------------+
| 16 19 69 | 2 5 4 | 3 8 7 |
| 8 34* 7 | 6 1 39* | 5 49* 2 |
| 5 34* 2 | 8 39* 7 | 6 49* 1 |
+-----------------+------------------+-----------------+
| 3 29 4 | 57 a29-7 25 | 1 6 8 |
| 16 5 69 | 14 489* 89* | 7 2 3 |
| 7 12 8 | 13 23 6 | 4 5 9 |
+-----------------+------------------+-----------------+
| 4 8 3 | 9 6 1 | 2 7 5 |
| 2 6 5 | 37 b378* 38* | 9 1 4 |
| 9 7 1 | 45 24 25 | 8 3 6 |
+-----------------+------------------+-----------------+
DP(3489)r2c268, r3c258, r5c56,r8c56 (BUG-lite) using mixed external-internal
(9)r4c5 == (7)r8c5 => -7 r4c5; ste