Please help

.4..7.8.1
5.1468.73
37819..4.
4.26.97.8
.3.814.2.
.8.2.74.9
....26.84
86.74.1.2
..4.81.67
Thanks.
.4..7.8.15.1468.7337819..4.4.26.97.8.3.814.2..8.2.74.9....26.8486.74.1.2..4.81.67
269 4 69 | 35 7 235 | 8 59 1
5 29 1 | 4 6 8 | 29 7 3
3 7 8 | 1 9 25 | 256 4 56
---------------+----------------+---------------
4 15 2 | 6 35 9 | 7 135 8
679 3 5679 | 8 1 4 | 56 2 56
16 8 56 | 2 35 7 | 4 135 9
---------------+----------------+---------------
179 159 3579 | 359 2 6 | 359 8 4
8 6 359 | 7 4 35 | 1 359 2
29 259 4 | 359 8 1 | 359 6 7
*--------------------------------------------------------------*
|*269 4 *69 | 35 7 235 | 8 *59 1 |
| 5 29 1 | 4 6 8 | 29 7 3 |
| 3 7 8 | 1 9 25 | 256 4 56 |
|--------------------+--------------------+--------------------|
| 4 15 2 | 6 35 9 | 7 13 8 |
|*79 3 *79 | 8 1 4 | 56 2 56 |
| 16 8 56 | 2 35 7 | 4 13 9 |
|--------------------+--------------------+--------------------|
| 17-9 159 357-9 | 359 2 6 | 359 8 4 |
| 8 6 *359 | 7 4 35 | 1 *59 2 |
| 2-9 259 4 | 359 8 1 | 359 6 7 |
*--------------------------------------------------------------*
Leren wrote:
- Code: Select all
*--------------------------------------------------------------*
|*269 4 *69 | 35 7 235 | 8 *59 1 |
| 5 29 1 | 4 6 8 | 29 7 3 |
| 3 7 8 | 1 9 25 | 256 4 56 |
|--------------------+--------------------+--------------------|
| 4 15 2 | 6 35 9 | 7 13 8 |
|*79 3 *79 | 8 1 4 | 56 2 56 |
| 16 8 56 | 2 35 7 | 4 13 9 |
|--------------------+--------------------+--------------------|
| 17-9 159 357-9 | 359 2 6 | 359 8 4 |
| 8 6 *359 | 7 4 35 | 1 *59 2 |
| 2-9 259 4 | 359 8 1 | 359 6 7 |
*--------------------------------------------------------------*
Another solution involves a Swordfish in 9's in Rows 1, 5 and 8, which removes the 9's from r7c13 and r9c1 as shown in the diagram. The puzzle solves with singles from there.
Leren
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