Obviously, yzfwsf's UR type 3 is the optimal solution (as it was for Mystery Puzzle #17).
Here is an attempt for something different:
- Code: Select all
+----------------------------+------------------+--------------------------+
| a258 248 3 | 27 1 6 | 4578 9 d2458 |
|wb125 xb1249 7 | 8 39 45 | 345 c2345 6 |
| a258 6 Zzh245-9 | 27 39 45 | 34578 234578 1 |
+----------------------------+------------------+--------------------------+
| A12367 12379 1269 | 39 8 27 | 16 45 d45 |
| A123678 123789 1269 | 4 5 27 | 16 23 239 |
| 4 5 B29 | 39 6 1 | 389 238 7 |
+----------------------------+------------------+--------------------------+
| f357 347 8 | 1 47 9 | 2 6 e345 |
| 9 y1247 Zzg12456 | 56 247 3 | 4578 4578 d458 |
| Y23567 2347 Zzg2456 | 56 247 8 | 34579 1 3459 |
+----------------------------+------------------+--------------------------+
Kraken column (2)r123459c1
(2)r13c1 - r2c12 = r2c8 - (2=485)r148c9 - r7c9 = r7c1 - r89c3 = (5)r3c3
(2)r45c1 - (2=9)r6c3
(2-1)r2c1 = r2c2 - r8c2 = (145)r389c3
(2-6)r9c1 = (645)r389c3
=> -9 r3c3; ste
(my first using a 6-kraken !)