After basics
- Code: Select all
.-----------------------------------------------------------.
| 4 6 789 | 1 89 2 | 79 3 5 |
| 2 3 89 | 689 7 5 | 1 4 b69 |
| 5 79 1 | 4 3 69 | 8 c67 2 |
|-------------------+-------------------+-------------------|
| 9-678 4 5 | 6789 2 A6789 | 7+6 1 3 |
| 1 789 679 | 3 689 4 | 5 2 678 |
| 678 2 3 | 678 5 1 | 4 9 678 |
|-------------------+-------------------+-------------------|
| 3 5 679 | 2 1 B6789 | 679 d678 4 |
| 6789 789 2 | 5 4 B6789 | 3 d678 1 |
|D6789 1 4 |C6789 C689 3 | 2 5 a69-7 |
'-----------------------------------------------------------'
1. (9)r9c9 = (9-6)r2c9 = (6-7)r3c8 = (7)r78c8 => -7 r9c9 [NP(69)r29c9; +6r4c7]
2. (78): r4c6 = r78c6 - r9c45 = r9c1 => -(78)r4c1; ste