I found a solution in two (non basic) steps. I saw fishes around but preferred
the first chosen move.
- Code: Select all
.---------------------------------------------------------------.
| 478 4789 3 | 5 d1678 1267 | 124789 246789 14678 |
| 4578 2 158 | 137 9 167 | 14578 34678 1345678 |
| 6 789 1589 | 1237 d1378 4 | 125789 23789 13578 |
|------------------+------------------+-------------------------|
| 9 67 25 | 147 157 8 | 3 2467 1467 |
| 378 1 68 | 3479 2 79 | 478 5 4678 |
| 25 b378 4 | 6 c1357 157 | 1278 278 9 |
|------------------+------------------+-------------------------|
| 34 a349-6 7 | 8 e156 1569 | 459 349 2 |
| 238 5 2689 | 279 4 2679 | 789 1 378 |
| 1 489 289 | 279 57 3 | 6 4789 4578 |
'---------------------------------------------------------------'
1. (3)r7c2 = r6c2 - r6c5 = (38-6)r31c5 = (6)r7c5 => -6 r7c2 [& 15 placements; 1 NT(279)b8, 2 LC eliminations]
- Code: Select all
.----------------------------------------------------.
| 478 478 3 | 5 1678 1267 | 1279 679 17 |
| 5 2 1 | 37 9 67 | 478 34678 3478 |
| 6 8-7 9 | 1237 #1378 4 | 127 (37) 5 |
|-------------+------------------+-------------------|
| 9 6 5 | 147 17 8 | 3 2 147 |
| 37 1 8 | 3479 2 79 | 47 5 6 |
| 2 (37) 4 | 6 #137 5 | 178 8-7 9 |
|-------------+------------------+-------------------|
| 34 349 7 | 8 16 16 | 5 349 2 |
| 38 5 6 | 279 4 279 | 789 1 378 |
| 1 489 2 | 79 5 3 | 6 4789 478 |
'----------------------------------------------------'
2. W-Wing (37) r3c8,r6c2 connected by (3)c5 => -7 r3c2, r6c8; ste