- Code: Select all
+-----------------+--------------------+-----------------+
| 6 2 8 | 14* 7 14* | 9 5 3 |
| 9 1 7 | 2 5 3 | 8 4 6 |
| 5 4 3 | 9 6 8 | 2 1 7 |
+-----------------+--------------------+-----------------+
| 2 6 4 | 8 1 7 | 3 9 5 |
| 7 59 1 | a356* b39 56* | 4 2 8 |
| 8 3 z59 | 45 B24-9 245 | 7 6 1 |
+-----------------+--------------------+-----------------+
| 34 78 6 | 345* A234 245* | 1 78 9 |
| 1 58 y25 | 7 x34 9 | 6 38 y24 |
| 34 79 29 | 16* 8 16* | 5 37 24 |
+-----------------+--------------------+-----------------+
DP(1456)r1579c46 using mixed internal-externals
(3)r5c4 - (3=9)r5c5
(4-2)r7c5 = (2)r6c5
(4)r8c5 - (4=25)r8c39 - (5=9)r6c3
=> -9 r6c5; ste