S.E. rating = 8.3. Solved with three simple AIC's
- Code: Select all
+-----------------------+-------------------+--------------------------+
| 167 4 16 | 8 5 37 | 237 9 123 |
| 3 c259* b29 | 1 49 479 | 6 457* 8 |
| 157 c159 8 | 6 349 2 | 3457 13457 1345 |
+-----------------------+-------------------+--------------------------+
| 146 7 146-3 | 9 8 13 | 345 2 345 |
| 9 8 a23 | 4 23 5 | 1 6 7 |
| 14 e123 5 | 7 123 6 | 8 34 9 |
+-----------------------+-------------------+--------------------------+
| 145 6 1349 | 25 7 149 | 2345 8 12345 |
| 2 15* 147 | 3 6 8 | 9 1457* 145* |
| 8 d39-15 13479 | 25 149 149 | 23457 1347-5 6 |
+-----------------------+-------------------+--------------------------+
1. X-wing (5)r2c8 = r2c2 - r8c2 = r8c89 => -5 r9c8
2. Loop (3=2)r5c3 - (2=9)r2c3 - r23c2 = (9-3)r9c2 = (3)r6c2@ =>-3 r4c3,-15r9c2; 9 placements + basics
- Code: Select all
+-------------------+-----------------+----------------------+
| 67 4 16 | 8 5 3 | 27 9 12 |
| 3 29 29 | 1 4 7 | 6 5 8 |
| a57 15 8 | 6 9 2 | d34-7 13 134 |
+-------------------+-----------------+----------------------+
| 46 7 46 | 9 8 1 | 35 2 35 |
| 9 8 23 | 4 23 5 | 1 6 7 |
| 1 23 5 | 7 23 6 | 8 4 9 |
+-------------------+-----------------+----------------------+
| b45 6 1349 | 25 7 49 | c2345 8 12345 |
| 2 15 147 | 3 6 8 | 9 17 145 |
| 8 39 3479 | 25 1 49 | 25 37 6 |
+-------------------+-----------------+----------------------+
3. H-wing (7=5)r3c1 - (5=4)r7c1 - r7c7 = (4)r3c7 => -7 r3c7; singles to the end