amling wrote: September 29th, 2026, 7:34 pm
NimbleRogue wrote: September 29th, 2026, 7:05 pm
Please feel free to help with (the (7,1)c/8) searches. I mainly just want to see a complete ship; We could always use more eyes and brains on this.
Cool, I will take a quick look and see what I can squeeze in on free smaller machines immediately. Bigger searches ... eventually.
I see on another thread that a (7,1)c/8 has been
found (in another rule), so my searches are all sort of moot now. I thought I would dump my notes on what I had been trying anyway...
I ran a few axis aligned searches with small parameters to try to get a sense of the space. Mostly I quickly decided there were a lot of repeating frontends and they were very easy to stumble in. Somewhere in here I stumbled on some small repeats:
Code: Select all
x = 301, y = 98, rule = B2-k3knq4aeirwy5-kq6cek78/S1c2cen3enr4-ijqtw5ejny6-i78
91bo2b3obo$88b2o2b3o5b2o$87bo4b2ob2obo$87b4ob7ob3o$87bob13o$86bob13o$
87b13o188bob2obob2o2bo$85b3ob10o187b3o2bo2bo3bo$84bo3b10o187bo2b11o$
83b2o2b10o188b13ob2o$83b3ob9o188bob14o$83b2obob7o191bob11o$81bob11o
189bobob11o$82b11o192b2ob9o$80bob10o195b9o$82b9o191bobob9o$80bob8o192b
obobob6o$78b2ob8o197b7o$76b5ob6o190b2o2bob8o$75b12o190bo3bob8o$75b11o
190bob2obob7o$73b12o190bob2o2b2ob5o$72b12o190bob3obob6o$72b11o190bob
12o$70b12o190bob12o$69b12o190bob12o$69b11o190bob12o$67b12o190bob12o$
66b12o190bob12o$66b11o190bob12o$64b12o190bob12o$63b12o190bob12o$63b11o
190bob12o$61b12o190bob12o$60b12o190bob12o$60b11o190bob12o$58b12o190bob
12o$57b12o190bob12o$57b11o190bob12o$55b12o190bob12o$54b12o190bob12o$
54b11o190bob12o$52b12o190bob12o$51b12o190bob12o$51b11o190bob12o$49b12o
190bob12o$48b12o190bob12o$48b11o190bob12o$46b12o190bob12o$45b12o190bob
12o$45b11o190bob12o$43b12o190bob12o$42b12o190bob12o$42b11o190bob12o$
40b12o190bob12o$39b12o190bob12o$39b11o190bob12o$37b12o190bob12o$36b12o
190bob12o$36b11o190bob12o$34b12o190bob12o$33b12o190bob12o$33b11o190bob
12o$31b12o190bob12o$30b12o190bob12o$30b11o190bob12o$28b12o190bob12o$
27b12o190bob12o$27b11o190bob12o$25b12o190bob12o$24b12o190bob12o$24b11o
190bob12o$22b12o190bob12o$21b12o190bob12o$21b11o190bob12o$19b12o190bob
12o$18b12o190bob12o$18b11o190bob12o$16b12o190bob12o$15b12o190bob12o$
15b11o190bob12o$13b12o190bob12o$12b12o190bob12o$12b11o190bob12o$10b12o
190bob12o$9b12o190bob12o$9b11o190bob12o$7b12o190bob12o$6b12o190bob12o$
6b11o190bob12o$4b12o190bob12o$3b12o190bob12o$3b11o190bob12o$b12o190bob
12o$12o190bob12o$11o190bob12o$200bob12o$199bob12o!
I briefly tried a forced turn SE over a small repeating front but these were dying so fast when they reached the critical point on the front edge that I gave up almost immediately.
I unrolled a WAO search and added a bunch of "u" columns to see how much of that same head I kept seeing was forced. Turns out it's quite a bit. When it hit 60 GB (how much I had allowed it) it had last reported:
Code: Select all
Unique:
| | | | | | | | ......................................... |
| | | | | | | ......................................... | ......................................... |
| | | | | | ......................................... | ......................................... | ......................................... |
| | | | | ......................................... | ......................................... | ......................................... | ??................***................???? |
| | | | ......................................... | ......................................... | ......................................... | ??...............*.**...............????? | ??????.....***.***.***.**.....??????????? |
| | | ......................................... | ......................................... | ......................................... | ??............*..***.*...........???????? | ??????.....**.*.*.*.*..**.....??????????? | ???????...*..*.**.*.*........???????????? |
| ......................................... | ......................................... | ......................................... | ......................................... | ???...........****.***...........???????? | ??????.....**..***.....**.....??????????? | ???????...*.......**.*.......???????????? | ????????.?****...****..***..????????????? |
| ......................................... | ......................................... | ......................................... | ???..........*.**.*.**..*.......????????? | ??????.....**...*.*....**.....??????????? | ???????...*....**.**.*.......???????????? | ?????????*****..*****.****..????????????? | ??????????*?*.?.*********..?????????????? |
| ......................................... | ....................*..................?? | ??????.......***.*.*.****.......????????? | ??????.....***..*..*...*......??????????? | ???????...*...*..******......???????????? | ???????.??****.*******.***..????????????? | ????????.?*???.*******.*?.??????????????? | ???????????***?.*******?..??????????????? |
| ??.................*.*................??? | ??????.......**.*.*.*.**.*......????????? | ???????....*****.*..*...**....??????????? | ???????...*..***********.....???????????? | ??????????***********..***..????????????? | ????????.?*??************?.?????????????? | ???????????*************?.??????????????? | ???????????**?*********?????????????????? |
| ???????.....*.***..***.***.....?????????? | ???????....******.***..**.....??????????? | ??????????*?.*****.****.***..???????????? | ????????.?*************.**..????????????? | ?????????.*??************.??????????????? | ???????????*************????????????????? | ???????????************?????????????????? | ????????????**********??????????????????? |
| ????????...*.***.****..*......??????????? | ????????.??**.***..***.****..???????????? | ????????..?**??***.*******..????????????? | ????????????*?***********?.?????????????? | ???????????**??*********?.??????????????? | ????????????*?*********?????????????????? | ????????????*??*******??????????????????? | ????????????*?*******???????????????????? |
| ???????????***.*.*.**.*.***..???????????? | ?????????.?*???******.****..????????????? | ????????????**?**********???????????????? | ???????????????*********????????????????? | ?????????????*?********?????????????????? | ????????????*??*******??????????????????? | ?????????????*?******???????????????????? | ???????????????*****????????????????????? |
| ??????????.*?.??*.********..????????????? | ??????????????********??*???????????????? | ?????????????***********????????????????? | ?????????????**********?????????????????? | ??????????????********??????????????????? | ?????????????********???????????????????? | ??????????????******????????????????????? | ?????????????******?????????????????????? |
| ????????????*??*?******???.?????????????? | ?????????????????*******?.??????????????? | ?????????????**?*******?????????????????? | ?????????????*********??????????????????? | ??????????????*******???????????????????? | ???????????????*****????????????????????? | ?????????????******?????????????????????? | ?????????????*****??????????????????????? |
| ????????????**???*******????????????????? | ?????????????**********?????????????????? | ???????????????*******??????????????????? | ??????????????*******???????????????????? | ??????????????******????????????????????? | ?????????????******?????????????????????? | ??????????????****??????????????????????? | ?????????????****???????????????????????? |
| ?????????????**********?????????????????? | ?????????????*?*******??????????????????? | ????????????????*****???????????????????? | ??????????????******????????????????????? | ??????????????*?***?????????????????????? | ??????????????****??????????????????????? | ?????????????****???????????????????????? | ??????????????**????????????????????????? |
| ?????????????*?*******??????????????????? | ????????????????*****???????????????????? | ?????????????**?****????????????????????? | ?????????????????**?????????????????????? | ??????????????****??????????????????????? | ??????????????***???????????????????????? | ??????????????**????????????????????????? | ??????????????*?????????????????????????? |
| ?????????????*??*****???????????????????? | ??????????????******????????????????????? | ????????????????***?????????????????????? | ???????????????***??????????????????????? | ???????????????**???????????????????????? | ??????????????**????????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? |
| ??????????????*?****????????????????????? | ????????????????***?????????????????????? | ??????????????****??????????????????????? | ???????????????**???????????????????????? | ???????????????*????????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? | |
| ???????????????****?????????????????????? | ???????????????***??????????????????????? | ????????????????*???????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? | | |
| ???????????????***??????????????????????? | ????????????????*???????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? | | | | |
| ???????????????**???????????????????????? | ????????????????????????????????????????? | ????????????????????????????????????????? | | | | | |
| ???????????????*????????????????????????? | ????????????????????????????????????????? | | | | | | |
| ????????????????????????????????????????? | | | | | | | |
I.e. all those values (asterisks and periods) are forced around the single "earliest" on cell ("earliest" according to LLSSS's notion of (W, U) coordinates for the axis-aligned geometry). The growing diagonal line is interesting, but it did seem to grow more slowly as the search progresses further.
In all this time I had never seen what I would consider a material break of the back line and I was growing suspicious it was not possible. I briefly debated trying to dust off the weird work I did for the what-rules-have-photons project to try to finagle a proof but it was unlikely to work and I figured we weren't set on this rule so it probably wasn't worth it. I decided instead to do axis-aligned fixed board searches and see if they could find any interesting breaks in the back line. Through around board width 45 things were looking grim, with the search generally breaking around when the right-most possible position of ship had its back line get too close to the left wall, e.g. board width 45 last partial:
Code: Select all
x = 385, y = 46, rule = B2-k3knq4aeirwy5-kq6cek78/S1c2cen3enr4-ijqtw5ejny6-i78History
F47.F47.F47.F47.F47.F47.F47.F.45B.F$F47.F47.F47.F47.F47.F47.F.45B.F.
45B.F$F47.F47.F47.F47.F47.F.45B.F.45B.F.45B.F$F47.F47.F47.F47.F.45B.F
.45B.F.36BA8B.F.29B3ABABAB4A4B.F$F47.F47.F47.F.45B.F.45B.F.35BABA7B.F
.29B2ABABABAB2ABA3B.F.27B5ABA2BA3B2A3B.F$F47.F47.F.45B.F.45B.F.35B3A
7B.F.28BAB3A2B3AB3A3B.F.27B6AB3A2B2A4B.F.26BA2B5AB4AB3A2B.F$F.45B.F.
45B.F.45B.F.34BAB2A7B.F.28B3AB3AB3AB2A3B.F.27BAB3AB4A2BA5B.F.27B2AB3A
2B3AB4A2B.F.27B7AB7A3B.F$F.45B.F.45B.F.31BA2B3ABA6B.F.28B2ABABABABA2B
2A3B.F.27BA2BAB2ABABA7B.F.26B4ABABAB2ABAB3A2B.F.27BAB8AB4A3B.F.25B2AB
13A4B.F$F.45B.F.31B4AB3A6B.F.28B2A2B3A5B2A3B.F.27BA7B2ABA6B.F.27B4A3B
4A2B3A2B.F.27BA2BABAB8A3B.F.25B2A3B11A4B.F.21B2A4B13A5B.F$F.30BAB2ABA
B2A2BA3B.F.28B2A3BABA4B2A3B.F.27BA4B2AB2ABA6B.F.26B5A2B5AB4A2B.F.27BA
BABAB9A3B.F.26B3AB2AB8A4B.F.21B2A7B10A5B.F.20BA2BAB2A2B10A6B.F$F.28B
3A2BA2BA3BA4B.F.27BA3BA2B6A5B.F.27B4AB7AB3A2B.F.27BAB2AB7AB2A3B.F.22B
A5B3A2B8A4B.F.21B2A5B12A5B.F.20BA2BAB14A6B.F.19B2ABAB2ABAB9A7B.F$F.
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20BA2BA2B13A6B.F.19BA3BABAB11A7B.F.19B4ABAB11A8B.F$F.27B13AB2A2B.F.
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9A10B.F.18B4A2B10A11B.F$F.21BA2BAB14A5B.F.21BA2BABAB11A6B.F.20BAB2ABA
B11A7B.F.18B2ABAB2AB11A8B.F.17BAB2A6B9A9B.F.18BA2B2A3B9A10B.F.18B16A
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.F.12BAB12A19B.F$F.15BA2B14A13B.F.21B10A14B.F.20B10A15B.F.15BAB12A16B
.F.14B2A2B10A17B.F.19B8A18B.F.13BAB2AB8A19B.F.12BAB2ABAB6A20B.F$F.14B
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8A23B.F.7BA3B10A24B.F$F.13B5A2B7A18B.F.13B4AB2AB5A19B.F.11B14A20B.F.
12B12A21B.F.10BAB11A22B.F.9B2A2B9A23B.F.8BAB3AB7A24B.F.9B2AB8A25B.F$F
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F.8BA2BAB8A24B.F.8B4AB7A25B.F.10B2AB6A11BA2B3ABA7B.F$F.16B2AB6A20B.F.
13B11A21B.F.11B12A22B.F.10BAB10A23B.F.9BA2B9A24B.F.9B11A25B.F.7BA4B7A
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11B11A23B.F.12B9A24B.F.9BAB9A25B.F.8BA2B8A10BAB2ABAB2A2BA4B.F.7BA3B7A
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.11B10A24B.F.10B10A16BA8B.F.11B8A10B3ABABAB4A4B.F.8BAB8A9B3A2BA2BA3BA
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13A6B.F.5BAB5A2BAB7AB14A7B.F.8B3A5B2AB3A2B13A8B.F.3BABAB4ABAB7A2B13A
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8B5A10B16A6B.F.5B7A3BAB2AB2ABAB13A7B.F.4BA3B3A5BA3BA5B11A8B.F.2BA3BA
2B4A2B3ABA2BAB12A9B.F.2B2A2BA7BAB2A2BA3BA9BA10B.F47.F$F.5BABAB5A10B
16A5B.F.4B3A2B4A2BA7BAB14A6B.F.5B4AB2A2BABAB3AB16A7B.F.3BABA4BA8BAB
16A8B.F.2B2AB2A2BABA5B5A2B12A9B.F47.F47.F47.F$F.4BA4B4A3BA7B4AB10A6B.
F.10B2A3BABAB2A2B15A7B.F.2BAB4A2BA5BA3B2AB14A8B.F.2BA2BABA2BA6B2AB2AB
13A9B.F47.F47.F47.F47.F$F.3B2A2B2A2BA4BA2B2A4B13A7B.F.2B4AB4A4BABA2BA
BAB13A8B.F.3BA4B2AB5A3B3A3B5AB5A9B.F47.F47.F47.F47.F47.F$F.3B4AB8A2B
2AB2AB13A8B.F.3B3A3B2A2B3ABA2BABA2B4A3B4A9B.F47.F47.F47.F47.F47.F47.F
$F.2BAB3A3B2A2BAB4A2BA2B3A5B3A9B.F47.F47.F47.F47.F47.F47.F47.F!
Beyond that things started to break up a little and by board width 54 (the last I completed before giving up here) it had started surviving beyond that:
Code: Select all
x = 457, y = 66, rule = B2-k3knq4aeirwy5-kq6cek78/S1c2cen3enr4-ijqtw5ejny6-i78History
F56.F56.F56.F56.F56.F56.F56.F.54B.F$F56.F56.F56.F56.F56.F56.F.54B.F.
54B.F$F56.F56.F56.F56.F56.F.54B.F.54B.F.54B.F$F56.F56.F56.F56.F.54B.F
.54B.F.54B.F.42BAB2A8B.F$F56.F56.F56.F.54B.F.54B.F.54B.F.39BA2B3ABA7B
.F.36B2ABABABABA2B2A4B.F$F56.F56.F.54B.F.54B.F.54B.F.39B4AB3A7B.F.36B
2A2B3A5B2A4B.F.35BA7B2ABA7B.F$F.54B.F.54B.F.54B.F.54B.F.38BAB2ABAB2A
2BA4B.F.36B2A3BABA4B2A4B.F.35BA4B2AB2ABA7B.F.34B5A2B5AB4A3B.F$F.54B.F
.54B.F.45BA8B.F.38B3ABABAB4A4B.F.36B3A2BA2BA3BA5B.F.35BA3BA2B6A6B.F.
35B4AB7AB3A3B.F.35BAB2AB7AB2A4B.F$F.54B.F.44BABA7B.F.38B2ABABABAB2ABA
3B.F.36B5ABA2BA3B2A3B.F.35BA2B11A5B.F.34B12A2B3A3B.F.35BAB13A4B.F.30B
19A5B.F$F.44B3A7B.F.37BAB3A2B3AB3A3B.F.36B6AB3A2B2A4B.F.35BA2B5AB4AB
3A2B.F.35B13AB2A3B.F.35BAB13A4B.F.30B2AB2AB13A5B.F.29BA6B12A6B.F$F.
37B3AB3AB3AB2A3B.F.36BAB3AB4A2BA5B.F.36B2AB3A2B3AB4A2B.F.36B7AB7A3B.F
.34BAB14A4B.F.30B2A2B15A5B.F.29BA2BA3B12A6B.F.28BAB17A7B.F$F.36BA2BAB
2ABABA7B.F.35B4ABABAB2ABAB3A2B.F.36BAB8AB4A3B.F.34B2AB13A4B.F.30B2A4B
13A5B.F.29BA2BA2B13A6B.F.28BAB2AB14A7B.F.27BABA2BA2B11A8B.F$F.36B4A3B
4A2B3A2B.F.36BA2BABAB8A3B.F.34B2A3B11A4B.F.30B2A4B13A5B.F.29BA2BAB14A
6B.F.29BA2BABAB11A7B.F.28BAB2ABAB11A8B.F.26B2ABAB2AB11A9B.F$F.36BABAB
AB9A3B.F.35B3AB2AB8A4B.F.30B2A7B10A5B.F.29BA2BAB2A2B10A6B.F.33BABAB
10A7B.F.27BA2B4AB11A8B.F.26B2A2B15A9B.F.25BA3BA2B12A10B.F$F.31BA5B3A
2B8A4B.F.30B2A5B12A5B.F.29BA2BAB14A6B.F.28B2ABAB2ABAB9A7B.F.27B3A2B2A
2BAB8A8B.F.26BA2BAB14A9B.F.26B2A4B12A10B.F.25B4A2B12A11B.F$F.30BA4BAB
12A5B.F.29BA2BA2B13A6B.F.28BA3BABAB11A7B.F.28B4ABAB11A8B.F.27B4AB13A
9B.F.28B2A2B12A10B.F.25B6AB11A11B.F.26B2ABA3B9A12B.F$F.29BABA4B12A6B.
F.28BABA4B12A7B.F.27B4A2B13A8B.F.29B2A2BAB10A9B.F.27B5AB11A10B.F.26BA
B15A11B.F.26B2ABA2B10A12B.F.24B4ABAB10A13B.F$F.28BABAB15A7B.F.28B2A3B
2AB10A8B.F.28B2AB2A2B10A9B.F.28B3A2B11A10B.F.29BA3B10A11B.F.27B2AB2AB
9A12B.F.25BABA2B11A13B.F.24B3ABAB10A14B.F$F.29BA4BAB10A8B.F.28B2AB3A
2B9A9B.F.32BA2B9A10B.F.27B4A2B10A11B.F.25BAB6AB8A12B.F.26BA3BAB9A13B.
F.25B5AB9A14B.F.24BAB13A15B.F$F.26BAB2A6B9A9B.F.27BA2B2A3B9A10B.F.27B
16A11B.F.25B2AB2AB3AB7A12B.F.29B12A13B.F.24BAB14A14B.F.26B13A15B.F.
26B12A16B.F$F.25B4A2B13A10B.F.24BA3B2A2B2AB8A11B.F.24BABA2B5AB7A12B.F
.23BA2BA2B12A13B.F.23BA2B14A14B.F.29B10A15B.F.28B10A16B.F.23BAB12A17B
.F$F.25BA2B2A3B10A11B.F.25B2AB14A12B.F.24BA3B3AB9A13B.F.24B2A2B12A14B
.F.22B3A4B10A15B.F.26BA2B9A16B.F.23B3ABA2B7A17B.F.22BABA2B9A18B.F$F.
25BAB3AB11A12B.F.28BA3B9A13B.F.24B4AB11A14B.F.23B3AB4AB7A15B.F.24B2A
2B10A16B.F.22BAB3A2B8A17B.F.23B2A2B9A18B.F.20B2AB2AB9A19B.F$F.24BAB4A
2B9A13B.F.24B7AB8A14B.F.23B3AB4AB7A15B.F.22B16A16B.F.23B3AB10A17B.F.
21B2ABAB10A18B.F.20B2ABAB10A19B.F.19BABAB2AB8A20B.F$F.25B15A14B.F.23B
AB14A15B.F.23B15A16B.F.24BA2B10A17B.F.21B3AB2AB8A18B.F.20BAB13A19B.F.
20B4A2B8A20B.F.19B6AB7A21B.F$F.24BA3B11A15B.F.24BAB12A16B.F.22BA2BAB
10A17B.F.22B3A3B8A18B.F.21B5A2B7A19B.F.21B4AB2AB5A20B.F.19B14A21B.F.
20B12A22B.F$F.26B12A16B.F.23BA3B10A17B.F.23B3A2B8A18B.F.21BAB12A19B.F
.20BAB3ABAB6A20B.F.20B6AB6A21B.F.21B11A22B.F.18B13A23B.F$F.23B2A2B10A
17B.F.28B8A18B.F.22BAB2AB8A19B.F.21BAB2ABAB6A20B.F.24B2AB6A21B.F.21B
11A22B.F.19B12A23B.F.18BAB10A24B.F$F.21BA2B2A2B8A18B.F.22B3ABAB7A19B.
F.22BAB2ABAB5A20B.F.19BABAB4AB5A21B.F.21B11A22B.F.20BA2B8A23B.F.19B
11A24B.F.20B9A25B.F$F.20B2AB12A19B.F.21B6AB6A20B.F.19B14A21B.F.21B11A
22B.F.21B10A23B.F.20B10A24B.F.19B10A25B.F.18B10A26B.F$F.19B3AB2A3B6A
20B.F.18BABAB4AB6A21B.F.18B2AB11A22B.F.21B10A23B.F.20B10A24B.F.19B10A
25B.F.18B10A26B.F.19B8A27B.F$F.19BAB12A21B.F.19B2AB4AB5A22B.F.17B2A2B
AB8A23B.F.16BA3B10A24B.F.18BAB9A25B.F.18BAB8A26B.F.19B8A27B.F.18B8A
28B.F$F.19BAB11A22B.F.18B2A2B9A23B.F.17BAB3AB7A24B.F.18B2AB8A25B.F.
19BAB7A26B.F.17B2AB7A27B.F.16BAB8A28B.F.16BAB7A29B.F$F.18B2AB10A23B.F
.17BA2BAB8A24B.F.17B4AB7A25B.F.19B2AB6A26B.F.16BA3B7A27B.F.15BABAB7A
28B.F.14BA2BAB6A20BA8B.F.13BAB9A14B3ABABAB4A4B.F$F.18BA2B9A24B.F.18B
11A25B.F.16BA4B7A26B.F.15BABA3B6A27B.F.14BABABA2B5A28B.F.13BABA2B7A
19BABA7B.F.12BABAB8A14B2ABABABAB2ABA3B.F.11BABA4B5A13B5ABA2BA3B2A3B.F
$F.18BAB9A25B.F.17BA2B8A26B.F.16BA3B7A27B.F.15BAB3AB5A28B.F.14BABA2BA
B4A19B3A7B.F.13BABAB3AB3A13BAB3A2B3AB3A3B.F.12BABA3B5A13B6AB3A2B2A4B.
F.11BABAB7A13BA2B5AB4AB3A2B.F$F.20B8A26B.F.17BAB8A27B.F.18B8A28B.F.
18B7A18BAB2A7B.F.16BAB6A13B3AB3AB3AB2A3B.F.16BA2B4A13BAB3AB4A2BA5B.F.
14BAB6A14B2AB3A2B3AB4A2B.F.13BA2B5A15B7AB7A3B.F$F.18B9A27B.F.17BAB7A
28B.F.17B8A15BA2B3ABA6B.F.16B8A13B2ABABABABA2B2A3B.F.16B7A13BA2BAB2AB
ABA7B.F.16B6A13B4ABABAB2ABAB3A2B.F.11BAB8A15BAB8AB4A3B.F.10BA4B5A17B
13A4B.F$F.18B8A28B.F.17B8A15B4AB3A6B.F.16BAB6A13B2A2B3A5B2A3B.F.15B8A
13BA7B2ABA6B.F.16B6A14B4A3B4A2B3A2B.F.11B3AB6A15BA2BABAB8A3B.F.11BA2B
6A15BA3B11A4B.F.11B2AB5A2B3A11B2AB11A5B.F$F.15BA3B6A14BAB2ABAB2A2BA3B
.F.18B6A13B2A3BABA4B2A3B.F.13BA2B7A13BA4B2AB2ABA6B.F.16B6A13B5A2B5AB
4A2B.F.11B2ABA2B4A15BABABAB9A3B.F.10B4AB5A16B2AB2AB8A4B.F.9BAB4A2B2A
3B2A2BA7B3A2B10A5B.F.7B2AB3A2B3A7B2A4BABABAB11A6B.F$F.13BA3BAB5A13B3A
2BA2BA3BA4B.F.12BABA2B6A13BA3BA2B6A5B.F.11BA4B6A14B4AB7AB3A2B.F.10BAB
3A2B4A15BAB2AB7AB2A3B.F.11BAB2A2B3A15BAB3A2B8A4B.F.8BABAB3A3BA2BAB4A
7B15A5B.F.7B3AB2ABA2BA2BA4BA5B4AB12A6B.F.6BAB3A2BAB3ABAB4A2BAB18A7B.F
$F.11BABAB2AB5A13BA2B11A4B.F.10BABA4B5A13B12A2B3A2B.F.9BABABA2B5A15BA
B13A3B.F.9B2AB2AB5A16B14A4B.F.8B7A2B2A3BAB2ABA7B14A5B.F.7BAB3ABA4B4A
4B2A3B2ABAB12A6B.F.7B5A6B8AB3ABA3B12A7B.F.8B2AB2A6B3ABA3BA4BAB12A8B.F
$F.11BABA3B5A14B13AB2A2B.F.10BABAB7A15BAB13A3B.F.10B3A4B3A2BA12BAB13A
4B.F.8BABA2BA3B2A2BABAB3A7B14A5B.F.8B2A5BAB3A2BA2B2A4B2A3B12A6B.F.8B
4A3BA2B4AB2AB2AB2AB15A7B.F.7B3A2BA5B4AB2A2BAB17A8B.F.6B5ABA5B8A2B5AB
11A9B.F$F.13BAB6A15BAB13A3B.F.10B3A4B3A3BA12B14A4B.F.8B2A2B7A3BABAB2A
6B15A5B.F.11BA2BAB4A5BA5B2A3B12A6B.F.7BAB3A5B2ABA4B3AB3ABA2B11A7B.F.
17BAB2AB5AB18A8B.F.5BA2B2ABA5BAB6A2B18A9B.F.5BA2B2A3B2A2B4A2BA5B15A
10B.F$F.11BABA3B3A2BABA11BAB12A4B.F.8B3A3B2AB2A4BA2B2A6B2AB12A5B.F.
11BABA4BA3BA8B2A3B12A6B.F.6BA2B4ABA2B5AB2ABABABAB15A7B.F.6B2A2BA6BA4B
A3B8AB11A8B.F.5B5A2BA3B3A2BAB2ABAB6A2B9A9B.F.6B3AB2AB2A3BA2BAB2ABA2B
15A10B.F.9B3A4BA3BAB2A2BAB15A11B.F$F.8B2AB2A3B3A7B2A5BAB14A5B.F.9BA2B
3A2B6ABA6B2A4B11A6B.F.6B3ABA2BA3BA2B2A2BA2BA3B16A7B.F.7BA2B2A3BA4BA8B
5AB11A8B.F.6B2AB4A3B2ABA2B3A3B17A9B.F.7BA2BAB3A2B2AB2A4BAB16A10B.F.4B
ABABABAB2A2B2A3B4A2BAB14A11B.F.7BABAB2AB3A2B2A2BAB3AB13A12B.F$F.7B2AB
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3A7B17A8B.F.9BABABAB8A2BA2B17A9B.F.6B4ABABAB3AB4A4B17A10B.F.4B2ABAB5A
2BAB4AB3A2B15A11B.F.13BABABAB3AB2AB16A12B.F.3BABA3BABA3B3AB7A2B13A13B
.F$F.7B2ABAB3A6BA2BA2BA3BAB14A7B.F.7BABA3BAB8A2BA2BAB4A2B10A8B.F.8B5A
BAB3AB5A3BAB15A9B.F.7BAB2ABA4B7A4B16A10B.F.4B3A2B2A4BAB6A3B17A11B.F.
5B6ABAB3AB7A2B15A12B.F.3B3A2B6A3B9A2B13A13B.F.4B2AB2A2B2A3B10A2B12A
14B.F$F.6BAB5A2B2AB6A2B2A2BABAB12A8B.F.5BA3B3ABABABAB5A5BAB14A9B.F.8B
3ABABAB7A4B17A10B.F.4B2AB4A2BA2B2AB6AB17A11B.F.7B4A3B2AB7AB17A12B.F.
4BA2B5ABA2B7ABAB15A13B.F.4BAB6A2B2AB7A3B13A14B.F.4BAB5AB2AB12AB11A15B
.F$F.6BA2B4AB2A4B3ABA3BABAB13A9B.F.7B5ABA4BAB5A3B2AB13A10B.F.4B2A3B2A
3BABA2B4A4B16A11B.F.5B5ABAB29A12B.F.6B6A2BA2BAB22A13B.F.7B4A2BA3B23A
14B.F.5B6A3BAB23A15B.F.4B7A2B12AB12A16B.F$F.6BABABAB2A3BAB4A2B2A2B15A
10B.F.5BA3B3ABAB3A2BA2BA4B15A11B.F.5BA2B3AB3A2B2A2B4AB16A12B.F.6B2AB
4A2BA3B7AB14A13B.F.7B2A3B5AB22A14B.F.6B4AB2A2BAB22A15B.F.7B8ABAB20A
16B.F.5BAB5AB3AB20A17B.F$F.7BABA4BABABA5BA3B15A11B.F.6B2A3B3AB5A2BABA
B16A12B.F.8BABABAB3A2B5AB16A13B.F.7BABAB2A3B24A14B.F.5BAB6AB3AB21A15B
.F.7B9AB21A16B.F.6B31A17B.F.7B29A18B.F$F.5BA4B2A2BAB7A5B14A12B.F.6B2A
BAB2A2BABAB2AB2AB16A13B.F.11B2A2B5A2B18A14B.F.5B2ABABABA2B24A15B.F.7B
A3B4AB22A16B.F.7B30A17B.F.8B28A18B.F.6BAB27A19B.F$F.4B2ABA3BABA3BA2B
6AB14A13B.F.6B2A3BAB2ABAB6AB2A2B11A14B.F.5B2ABAB2AB26A15B.F.6BABA2BAB
25A16B.F.7BAB2AB25A17B.F.7B29A18B.F.7B3AB24A19B.F.8B26A20B.F$F.5B2AB
3ABA3B12A2B10A14B.F.7B2A3B5AB9ABAB9A15B.F.6BA2BA2B14ABAB9A16B.F.7B3A
2B15AB9A17B.F.7B2AB26A18B.F.6BABA3B23A19B.F.8B2AB23A20B.F.5BAB2A3B21A
21B.F$F.6B5A4BAB10A2B10A15B.F.5BAB5AB14ABAB8A16B.F.8B2ABAB15AB8A17B.F
.7BABAB25A18B.F.8BA3B23A19B.F.5B2A2B25A20B.F.4BABAB2AB22A21B.F.5BA3B
23A22B.F$F.4BAB8AB23A16B.F.7B6AB23A17B.F.4BAB30A18B.F.5BAB28A19B.F.4B
AB28A20B.F.3BABAB3AB22A21B.F.8B24A22B.F.2B2ABAB24A23B.F$F.8B4A2B23A
17B.F.5B31A18B.F.7B28A19B.F.5BAB27A20B.F.4BAB27A21B.F.7B25A22B.F.2B2A
B26A23B.F.4BABAB22A24B.F$F.8B28A18B.F.7B28A19B.F.5B29A20B.F.8B25A21B.
F.4BAB26A22B.F.3BABA2B23A23B.F.4B2A2B22A24B.F.2BABABAB21A25B.F$F.7B
28A19B.F.9B25A20B.F.7BAB24A21B.F.4B3AB24A22B.F.9B22A23B.F.6B24A24B.F.
7B22A25B.F.5BA2B2A6B12A26B.F$F.8BABAB22A20B.F.6BAB2AB22A21B.F.4B4AB
23A22B.F.8B23A23B.F.3BABAB23A24B.F.2BABAB23A25B.F.2BABAB3A8B11A26B.F
56.F$F.5BA3B2AB21A21B.F.3BABAB4A2B19A22B.F.7B24A23B.F.4BAB24A24B.F.3B
26A25B.F.3BABABA10B10A26B.F56.F56.F$F.3B2A2B4AB20A22B.F.5BA2B23A23B.F
.2BAB26A24B.F.3BAB24A25B.F.3BABA13B5AB3A26B.F56.F56.F56.F$F.8B23A23B.
F.3B3AB23A24B.F.5B24A25B.F.5BA14B3A3B2A26B.F56.F56.F56.F56.F$F.2BA3BA
B22A24B.F.5BAB6A2B14A25B.F.3BA17BA5BA26B.F56.F56.F56.F56.F56.F$F.6BAB
AB2A4B13A25B.F56.F56.F56.F56.F56.F56.F56.F!
Subjectively I would say that partial does only "break" the back line with the help of a second prong with its own back line and my money would probably still be on no finite ships in this rule.