- Code: Select all
*-----------------------------------------------------------*
| 3 2589 *568 | 4 29-6 1 | 2568 7 58 |
| 289-6 1 7 |*569 2569 569 | 4 68 3 |
| 26 25 4 | 3 8 7 | 256 1 9 |
|-------------------+-------------------+-------------------|
| 7 6 18 | 159 459 4589 | 3 89 2 |
| 89 589 158 | 2 7 3 | 168 468 14 |
| 4 3 2 |f169 69 689 | 189 5 7 |
|-------------------+-------------------+-------------------|
| 1 4 *68 |*569 3 569 | 7 2 58 |
| 268 28 9 | 7 1456 456 | 58 3 14 |
| 5 7 3 | 8 14 2 | 19 49 6 |
*-----------------------------------------------------------*
Here is a non-chain solution......
Almost skyscraper (6)r17c3,r27c4 with 6r6c4 => r1c5,r2c1<>6
(6-1)r6c4=1r4c4-(1=8*)r4c3-(8=65)r71c3-5r1c79=5r3c7-(5=8)r8c7-8r8c12=8r7c3 Conflict on 8s in r4*7c3 => r6c4<>6
Ted