After basics
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| 13567 2 3567 | 4 58-6 178 | 78 357 9 |
| 8 569 5679 | 569 3 279 | 4 1 25 |
| 1357 1359 4 | 1589 2589 12789 | 6 357 2358 |
|-------------------------+-------------------------+-------------------------|
| 4 589-136 589-36 |(1389-6) 7 (1389) | 2 [36] [136] |
| 136 7 369 | 2 ((69)) 4 | 5 8 13-6 |
| 136 1368 2 | 13-68 ((68)) 5 | 9 4 7 |
|-------------------------+-------------------------+-------------------------|
| 2 58 1 | 7 4 6 | 3 9 58 |
| 3567 4 35678 | 3589 1 389 | 78 2 568 |
| 9 3568 35678 | 358 258 238 | 1 567 4 |
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1. SDC with AAALS(13689)r4c46 triply linked to ALS1(689) and also
triply linked to ALS2(136), but there is a common link digit 6.
In what follows, my concern was eliminations with the digit 6.
. We must have either (8) or (9) r4c46, otherwise (136)r4c4689.
We cannot have both there, otherwise (6)r5c5 and (6)r6c5.
Thus, (6)r5c5 = (6)r6c5 => -6 r1c5, -6 r46c4
. We must have (1) or (3) at r4c46, otherwise (689)b5p1358.
We cannot have both there, otherwise (6)r4c8 and (6)r4c9.
Thus, (1=3)r6c4 => -68 r6c4, and
(136)r489 or (136)r6c89 => -136 r4c12, -6 r5c9 [because of (6)r4c89]
(leads to placement r2c3=6 and NT(589) r247c2, with some placements)
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| 1367 2 367 | 4 5 178 | 78 37 9 |
| 8 9 5-7 | 6 3 a27 | 4 1 b25 |
| 1357 13 4 | 18 9 1278 | 6 357 2358 |
|----------------------+----------------------+----------------------|
| 4 58 58 | 139 7 139 | 2 36 136 |
| 13 7 9 | 2 6 4 | 5 8 13 |
| 136 136 2 | 13 8 5 | 9 4 7 |
|----------------------+----------------------+----------------------|
| 2 58 1 | 7 4 6 | 3 9 c58 |
| 3567 4 35678 | 3589 1 389 |d78 2 568 |
| 9 36 f35678 | 358 2 38 | 1 e567 4 |
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2. (7=2)r2c6 - (2=5)r2c9 - (5=8)r7c9 - (8=7)r8c7 - (7)r9c8 = (7)r9c3 => -7 r2c3; ste