I'll vote for the naked quin.
- Code: Select all
1378 12378 4 | 2589 2589 6 | 39 3589 23579
6 28 9 | 258 3 7 | 1 458 245
378 2378 5 | 4 289 1 | 6 389 2379
---------------------+----------------------+---------------------
4 138 138 | 7 6 58 | 39 2 359
5 37 6 | 29 4 29 | 8 37 1
2 9 78 | 58 1 3 | 4 57 6
---------------------+----------------------+---------------------
389 b56 2 | 1 589 4 | 7 c369 c39
139 a45 13 | 6 7 59 | 2 139-4 8
1789 6-4 178 | 3 289 289 | 5 1469 c49
(4=5) r8c2 - (5=6) r7c2 - (6=4)r7c89, r9c9 => -4 r8c8, r9c2; stte
Phil
PS If the object was to not to use the HT/NQ, then (4) r8c2 = (4-6) r9c2 = (6-1) r9c8 = r8c8 => -4 r8c8 does the trick.