- Code: Select all
+---------------+-----------------+-----------------------+
| 126 12 7 | 8 124(3) 9 | 234 5 2346 |
| 129 5 3 | 124 124 6 | 7 8 249 |
| 69 4 8 | 2(3) 5 7 | (23) 69 1 |
+---------------+-----------------+-----------------------+
| 8 12 4 | 5 9 3 | 6 (12) 7 |
| 7 6 5 | 24 24 1 | 38 39 389 |
| 12 3 9 | 7 6 8 | 4-2(1) 124 5 |
+---------------+-----------------+-----------------------+
| 34 8 6(1) | 9 (13) 2 | 5 7 346 |
| 34 9 6(1) | 136 7 5 | 2348(1) 12346 23468 |
| 5 7 2 | 136 8 4 | 9 136 36 |
+---------------+-----------------+-----------------------+
(1=2)r4c8 - (1)r6c7 = (1)r8c7 - (1)r8c3 = (1)r7c3 - (1=3)r7c5 - (3)r1c5 = (3)r3c4 - (3=2)r3c7; r6c7 <> 2
in the basics that follow there is a hidden pair (28) at some point in r8c7, r8c9 which then goes on to solve it with singles.