Two easy moves.
- Code: Select all
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| 24789 789 249 | 24 18 3 | 5 1467 4678 |
| 3478 1 4-3 | 5 9 6 | 378 2 a3478 |
| 23458 358 6 | 7 18 24 | 38 14 9 |
|-------------------+------------+------------------|
| 2689 4 5 | 289 7 129 | 1689 3 268 |
| 2789 789 1 | 6 3 5 | 4 79 278 |
| 236789 36789 239 | 289 4 129 | 16789 5 2678 |
|-------------------+------------+------------------|
| 4569 569 8 | 3 2 479 | 679 4679 1 |
| 1 2 d349 | 49 6 479 |c379 8 5 |
| 3469 369 7 | 1 5 8 | 2 469 b346 |
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1. ER (3) : (3) r2c9 = r9c9 - r8c7 = (3) r8c3; => - 3 r2c3; some basics
- Code: Select all
*--------------------------------------------------*
| 2789 789 a29 |b24 18 3 | 5 146 46 |
| 38 1 4 | 5 9 6 | 378 2 378 |
| 2358 358 6 | 7 18 24 | 38 14 9 |
|-------------------+------------+-----------------|
| 2689 4 5 | 289 7 129 | 1689 3 268 |
| 2789 789 1 | 6 3 5 | 4 79 278 |
| 236789 36789 239 | 289 4 129 | 16789 5 2678 |
|-------------------+------------+-----------------|
| 4569 569 8 | 3 2 79 | 679 4679 1 |
| 1 2 3-9 |c49 6 479 | 379 8 5 |
| 3469 369 7 | 1 5 8 | 2 469 346 |
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2. XY Wing : (9=2) r1c3 - (2=4) r1c4 - (4=9) r8c4; = > - 9 r8c3; stte
Leren