Three steps:
- Code: Select all
+---------------------------+---------------------------+----------------------------+
| 123 <5789 123 | <3469 378-49 <34689 | 1278-5 <14579 1278-459 | 4569
| 56789 569-78 789 | 1 4789 2 | 578 3 45789 |
| 123 <789 4 | <39 5 <389 | 6 <179 1278-9 | 9
+---------------------------+---------------------------+----------------------------+
| 4589 1 89 | 7 3489 4569-38 | 35 2 3569 |
| 278-59 <5789 6 | <2359 238-9 <3589 | 4 <1579 137-59 | 59
| 24579 3 279 | 4569-2 249 1 | 57 8 5679 |
+---------------------------+---------------------------+----------------------------+
| 1378 <478 5 | <234 6 <34 | 9 <147 12378-4 | 4
| 1369 2 139 | 8 1349 7 | 135 456-1 1345 |
| 136789 469-78 13789 | 459-23 12349 459-3 | 12378 46-17 123478 |
+---------------------------+---------------------------+----------------------------+
78 23 38 17
1. MSLS 16 cells r1357c2468; 16 links 4569r1, 9r3, 59r5, 4r7, 78c2, 23c4, 38c6, 17c8
26 eliminations: -49 r1c5, -5 r1c7, -459 r1c9, -9 r3c9, -59 r5c19, -9 r5c5, -4r7c9, -78 r29c2, -2 r6c4, -23 r9c4, -38 r4c6, -3 r9c6, -1 r8c8, -17 r9c8; NQ(4569)r9c2468, HQ(4569)r2468c1,9; HP(78)b1p68, NP(456)b9p568
- Code: Select all
+-----------------------+-----------------------+-------------------------+
| 123 59 123 | 469 c378 469 | d1278 459 d1278 |
| 569 569 a78 | 1 b4789 2 | 58-7 3 459 |
| 123 C78 4 | 39 5 D389 | 6 179 1278 |
+-----------------------+-----------------------+-------------------------+
| 459 1 89 | 7 3489 4569 | 35 2 569 |
| A27-8 B5789 6 | 2359 238 E3589 | 4 1579 137 |
| 459 3 279 | 4569 249 1 | 57 8 569 |
+-----------------------+-----------------------+-------------------------+
| 1378 478 5 | 234 6 34 | 9 17 12378 |
| 69 2 139 | 8 1349 7 | 13 456 45 |
| 1378 469 1378 | 459 123 459 | 12378 46 12378 |
+-----------------------+-----------------------+-------------------------+
2. (8=7)r2c3 - r2c5 = (7-8)r1c5 = (8)r1c79 => -8 r2c7; 23 placements and basics
3. (7)r5c1 = r5c2 - (7=8)r3c2 - r3c6 = (8)r5c6 => -8 r5c1; lclste