13..........6...4...........845...........1...9.......3...1..6.2....93.....82....
Just made it! I could not do this with Pen & Paper
+------------------------+-----------------+--------------------------+
| 1 3 5679 | 2 59 4 | 56789 579-8 56789 |
| 89 57 A257-9 | 6 3 78 | B2579 4 1 |
| d489 c4567 25679 | 1 59 78 | 25679 23 235679 |
+------------------------+-----------------+--------------------------+
| 6 8 4 | 5 7 1 | C29 23 239 |
| 57* 2 3 | 9 48 6 | 1 578* 457-8 |
| 57* 9 1 | 3 48 2 | 4567-8 578* 4567-8 |
+------------------------+-----------------+--------------------------+
| 3 47 D89 | 47 1 5 | C289 6 289 |
| 2 1457 578 | 47 6 9 | 3 157-8 4578 |
| e49 b14567 5679 | 8 2 3 | 4579 a157-9 4579 |
+------------------------+-----------------+--------------------------+
.---------------------.-------------.---------------------------.
| 1 3 5679 | 2 59 4 | 56789 579-8 56789 |
| c89 b57 2579 | 6 3 b78 | b2579 4 1 |
| 489 4567 25679 | 1 59 78 | 25679 23 235679 |
:---------------------+-------------+---------------------------:
| 6 8 4 | 5 7 1 | a29 23 239 |
| 57+ 2 3 | 9 48 6 | 1 57+8 457-8 |
| 57+ 9 1 | 3 48 2 | 4567-8 57+8 4567-8 |
:---------------------+-------------+---------------------------:
| 3 47 89 | 47 1 5 | a2(8)9 6 289 |
| 2 1457 578 | 47 6 9 | 3 157-8 d(4)57-8 |
| c49 14567 5679 | 8 2 3 | d4579 1579 d4579 |
'---------------------'-------------'---------------------------'
+---------------------+---------------+------------------------+
| 1 3 567-9 | 2 59 4 | 56789 5789 56789 |
|a89 a57 257-9 | 6 3 a78 |b2579 4 1 |
| 489 4567 2567-9| 1 59 78 | 25679 23579 235679 |
+---------------------+---------------+------------------------+
| 6 8 4 | 5 7 1 |b29 239 239 |
| 57 2 3 | 9 48 6 | 1 578 4578 |
| 57 9 1 | 3 48 2 | 45678 578 45678 |
+---------------------+---------------+------------------------+
| 3 47 d89 | 47 1 5 | c289 6 289 |
| 2 1457 578 | 47 6 9 | 3 1578 4578 |
| 4-9 14567 5679 | 8 2 3 | 4579 1579 4579 |
+---------------------+---------------+------------------------+
+-----------------+---------------+---------------------+
| 1 3 67 | 2 5 4 | 678 9 78 |
| 9 5 27 | 6 3 8 | 27 4 1 |
| 8 4 26 | 1 9 7 | 256 235 235 |
+-----------------+---------------+---------------------+
| 6 8 4 | 5 7 1 | 29 23 239 |
|(57) 2 3 | 9 4 6 | 1 8-(57) 578 |
|(57) 9 1 | 3 8 2 | 4 (57) 6 |
+-----------------+---------------+---------------------+
| 3 7 89 | 4 1 5 | 289 6 289 |
| 2 1 58 | 7 6 9 | 3 58 4 |
| 4 6 59 | 8 2 3 | 579 1 579 |
+-----------------+---------------+---------------------+
Ngisa wrote:1): (9=578)r2c126 - (57=29)r24c7 - (29=8)r7c7 - (8=9)r7c3 => - 9r123c3,r9c1
2): Type 1 UR(57)r56c18 => -57r5c8; stte