- Code: Select all
*-----------*
|6..|5..|...|
|.2.|.37|...|
|49.|6..|.2.|
|---+---+---|
|...|...|713|
|7..|981|..2|
|261|...|...|
|---+---+---|
|.5.|..9|.41|
|...|15.|.7.|
|...|..4|..6|
*-----------*
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*-----------*
|6..|5..|...|
|.2.|.37|...|
|49.|6..|.2.|
|---+---+---|
|...|...|713|
|7..|981|..2|
|261|...|...|
|---+---+---|
|.5.|..9|.41|
|...|15.|.7.|
|...|..4|..6|
*-----------*
*-----------------------------------------------*
| 6 17 378 | 5 9 2 | 1348 38 478 |
|d158 2 58 | 4 3 7 |c15689 5689 589 |
| 4 9 357 | 6 1 8 | 35 2 57 |
|---------------+------------+------------------|
|e589 48 4589 | 2 46 56 | 7 1 3 |
| 7 3 4-5 | 9 8 1 |b456 a56 2 |
| 2 6 1 | 37 47 35 | 4589 589 4589 |
|---------------+------------+------------------|
| 38 5 2678 | 378 267 9 | 238 4 1 |
| 389 48 24689 | 1 5 36 | 2389 7 89 |
| 1389 17 2789 | 378 27 4 | 23589 3589 6 |
*-----------------------------------------------*
+---------------+------------+-----------------+
| 6 17 378 | 5 9 2 | 1348 38 478 |
| 158 2 58 | 4 3 7 | 15689 5689 589 |
| 4 9 357 | 6 1 8 | 35 2 57 |
+---------------+------------+-----------------+
| 589 48 4589 | 2 46 56 | 7 1 3 |
| 7 3 45 | 9 8 1 | 456 56 2 |
| 2 6 1 | 37 47 35 | 4589 589 4589 |
+---------------+------------+-----------------+
| 38 5 2678 | 378 267 9 | 238 4 1 |
| 389 48 24689 | 1 5 36 | 2389 7 89 |
| 1389 17 2789 | 378 27 4 | 23589 3589 6 |
+---------------+------------+-----------------+
6 17 378 | 5 9 2 | 1348 38 478
d158 2 58 | 4 3 7 |e15689 5689 589
4 9 357 | 6 1 8 | 35 2 57
------------------------+----------------------+---------------------
c589 8-4 589-4 | 2 a46 b56 | 7 1 3
7 3 g45 | 9 8 1 |f456 56 2
2 6 1 | 37 47 35 | 4589 589 4589
------------------------+----------------------+---------------------
38 5 2678 | 378 267 9 | 238 4 1
389 48 24689 | 1 5 36 | 2389 7 89
1389 17 2789 | 378 27 4 | 23589 3589 6
+-------------------------+----------------------+----------------------------+
| 6 17 378 | 5 9 2 | 1348 38 478 |
|d158 2 58 | 4 3 7 | c15689 5689 589 |
| 4 9 357 | 6 1 8 | 35 2 57 |
+-------------------------+----------------------+----------------------------+
|e589 48 4589 | 2 f46 f56 | 7 1 3 |
| 7 3 45 | 9 8 1 | b456 56 2 |
| 2 6 1 | 37 7-4 35 | a4589 589 a4589 |
+-------------------------+----------------------+----------------------------+
| 38 5 2678 | 378 267 9 | 238 4 1 |
| 389 48 24689 | 1 5 36 | 2389 7 89 |
| 1389 17 2789 | 378 27 4 | 23589 3589 6 |
+-------------------------+----------------------+----------------------------+
Ngisa wrote:(4)r6c79 = (4-6)r5c7 = (6-1)r2c7 = (1-5)r2c1 = r4c1 - (5=64)r4c56 => - 4 r6c5; stte
+----------------------+-------------------+------------------------+
| 6 17 378 | 5 9 2 | 1348 F38 478 |
| m158 2 58 | 4 3 7 | n15689 o5689 H589 |
| 4 9 357 | 6 1 8 | G35 2 H57 |
+----------------------+-------------------+------------------------+
| l589 48 4589 | 2 46 K56 | 7 1 3 |
| 7 3 B45 | 9 8 1 | C456 a5-6 2 |
| 2 6 1 | 37 47 J35 | 4589 589 I4589 |
+----------------------+-------------------+------------------------+
| 38 5 2678 | 378 267 9 | 238 4 1 |
| 389 48 24689 | 1 5 36 | 2389 7 89 |
| 1389 17 2789 | 378 27 4 | D23589 E3589 6 |
+----------------------+-------------------+------------------------+
(5)r5c3 - r4c1 = (5-1)r2c1 = (1-6)r2c7 = (6)r2c8
(5)r5c7 - r9c7 = (5-3)r9c8 = r1c8 - (3=5)r3c7 - r23c9 = r6c9 - r6c6 = r4c6 - r4c1 = (5-1)r2c1 = (1-6)r2c7 = (6)r2c8
(5)r5c8
=> -6 r5c8; stte