- Code: Select all
+------------------+-----------------------+------------------+
| 1 9 7 | 5-4 8 3 | 6 25* 245* |
| 3 2 8 | 9 d46 456 | 1 7 45 |
| 6 5 4 | 1 27 27 | 8 9 3 |
+------------------+-----------------------+------------------+
| 7 3 569 | 456* 1 4569 | 2 56* 8 |
| 2 4 56 | 8 367 567 | 37 1 9 |
| 8 1 569 | a356* 2367 25679 | 37 4 56* |
+------------------+-----------------------+------------------+
| 9 7 2 | b346 c346 46 | 5 8 1 |
| 5 8 3 | 7 9 1 | 4 26* 26* |
| 4 6 1 | 2 5 8 | 9 3 7 |
+------------------+-----------------------+------------------+
DP(25)r1c89,(26)r8c89,(56)b6p29,(56)r46c4 using internals
(3)r6c4 - r7c4 = (3-4)r7c5 = (4)r2c5
(4)r4c4
(4)r1c9
=> -4 r1c4; stte
Only first chain is tagged (a,b,c,d)