After basics
- Code: Select all
,--------------------------------------------------------------------------------------,
| 15689 459 1689 | 3478 d3789 2 | 15689 4567 145679 |
| 2689 249 7 | 5 89 1 | 3 46 469 |
| 1589 3 189 | 478 6 c79 | 1589 2 14579 |
|----------------------------+----------------------------+----------------------------|
| 4 8 39 | 37 2 b79 | 56 1 56 |
| 1379 g7-9 5 | 6 a139 4 | 2 37 8 |
| 1237 6 123 | 13 5 8 | 4 9 37 |
|----------------------------+----------------------------+----------------------------|
| 235679 1 2369 | 27 4 56 | 569 8 23569 |
| 2568 25 4 | 9 18 3 | 7 56 1256 |
| 2356789 f2579 23689 | 1278 e178 56 | 1569 3456 1234569 |
'--------------------------------------------------------------------------------------'
1. (9)r5c5 = (9)r4c6 - (9=7)r3c6 - (7)r1c5 = (7)r9c5 - (7)r9c2 = (7)r5c2 => -9 r5c2 [10 placements & LC elimination]
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- Code: Select all
,--------------------------------------------------------------------,
| 15689 459 1689 | 48 3 2 | 15689 7 14569 |
|b2689 c249 7 | 5 a89 1 | 3 46 469 |
| 1589 3 189 | 478 6 79 | 1589 2 1459 |
|----------------------+----------------------+----------------------|
| 4 8 39 | 37 2 79 | 56 1 56 |
| 19 7 5 | 6 19 4 | 2 3 8 |
| 123 6 123 | 13 5 8 | 4 9 7 |
|----------------------+----------------------+----------------------|
| 7 1 369 | 2 4 5 | 69 8 369 |
| 2568 d25 4 | 9 1-8 3 | 7 56 126 |
| 23589 d259 2389 |e18 7 6 |e19 45 12349 |
'--------------------------------------------------------------------'
2. (8)r2c5 = (8-2)r2c1 = (2)r2c2 - (2=59)r89c2 - (9=18)r9c47 => -8 r8c5; ste