After basics
- Code: Select all
.-----------------------------------------------------------------------------.
| 469 *78 469 | 35 35 1 |b*78(6) 46789 2 |
| 1269 *78 3 | 4 2-9 *78 | 5 da69 d169 |
| 1249 5 1249 | 29 6 *78 |c*78(1) 3 1489 |
|-------------------------+------------------------+--------------------------|
| 124569 3 124569 | 1256 2458 456 | 268 5689 7 |
| 12569 129 7 | 12356 2358 356 | 4 5689 35689 |
| 8 24 2456 | 23567 23457 9 | 236 1 356 |
|-------------------------+------------------------+--------------------------|
| 3459 6 459 | 3579 1 345 | 378 2 3458 |
| 1345 14 8 | 3567 3457 2 | 9 4567 13456 |
| 7 1249 12459 | 8 3459 3456 | 136 456 13456 |
'-----------------------------------------------------------------------------'
1. DP(78)r23c2,r34c6,r13c7 using internals
(9=6)r2c8 - (6)r1c7 == (1)r3c7 - (1=69)r2c89 => -9 r2c5 [36 placements]
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- Code: Select all
.-----------------------------------------------------------.
| 69 8 69 | 35 35 1 | 7 4 2 |
| 1 7 3 | 4 2 8 | 5 6 9 |
| 4 5 2 | 9 6 7 | 1 3 8 |
|-------------------+-------------------+-------------------|
| 56 3 1 | 256 8 4 | 26 9 7 |
| 2 9 7 | 1 35 *356 | 4 8 35-6 |
| 8 4 56 | 2356 7 9 | 236 1 356 |
|-------------------+-------------------+-------------------|
| 359 6 59 | 7 1 35 | 8 2 4 |
| 35 1 8 | 356 4 2 | 9 7 *36 |
| 7 2 4 | 8 9 *36 |*36 5 1 |
'-----------------------------------------------------------'
2. (6): r8c9 = r9c7 - r9c6 = r5c6 => -6 r5c9; ste