After basics
- Code: Select all
.--------------------------------------------------------------------.
| 1569 168 1569 | 4 2 7 | a19 3 a189 |
| 479 d78 2 | 6 1 3 | 5 b49 479-8 |
| 147 3 14 | 89 5 89 | 1247 6 1247 |
|----------------------+---------------------+-----------------------|
| 1356 4 156 | 1259 37 129 | 2679 8 2679 |
| 58 9 7 | 258 6 248 | 3 1 24 |
| 1368 2 168 | 189 37 1489 | 4679 5 4679 |
|----------------------+---------------------+-----------------------|
| 689 5 689 | 12 4 12 | 69 7 3 |
| 1246 16 3 | 7 9 5 | 8 24 146 |
|c12479 c17 149 | 3 8 6 | 149 c249 5 |
'--------------------------------------------------------------------'
1. (8=19)r1c79 - (9)r2c8 = (927)r9c128 - (7=8)r2c2 => -8 r2c9 [3 placements]
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- Code: Select all
.-----------------------------------------------------------.
| 1569 a16 1569 | 4 2 7 | 9-1 3 8 |
| 479 8 2 | 6 1 3 | 5 49 479 |
| 47-1 3 4-1 | 89 5 89 | 1247 6 d1247 |
|-------------------+-------------------+-------------------|
| 1356 4 156 | 1259 37 129 | 2679 8 2679 |
| 58 9 7 | 258 6 248 | 3 1 24 |
| 1368 2 168 | 189 37 1489 | 4679 5 4679 |
|-------------------+-------------------+-------------------|
| 689 5 689 | 12 4 12 | 69 7 3 |
| 1246 b16 3 | 7 9 5 | 8 24 c146 |
| 1249 7 149 | 3 8 6 | 149 249 5 |
'-----------------------------------------------------------'
2. Skyscraper (1): r1c2 = r8c2 - r8c9 = r3c9 => -1 r1c7, r3c13; ste