Tried to search a c/10 spaceship with gfind, level 100 (width 10). I think this means negative result, but there's probably something with width 12 (level 120). The search took about two days.
Code: Select all
> gfind b368s245o10n1vl100
gfind 4.9, D. Eppstein, 20 August 2011
Rule: b368s245o10n1vl100
Searching for speed c/10, width 10, bilateral symmetry.
Queue full, depth 8, deepening 10, 524k/578k -> 169k/193k
Queue full, depth 8, deepening 20, 524k/586k -> 199k/234k
Queue full, depth 8, deepening 30, 524k/596k -> 183k/232k
Queue full, depth 9, deepening 39, 524k/611k -> 119k/174k
Queue full, depth 9, deepening 49, 524k/624k -> 56k/107k
Queue full, depth 10, deepening 58, 524k/626k -> 30k/82k
Queue full, depth 13, deepening 65, 524k/847k -> 18k/93k
Queue full, depth 16, deepening 72, 524k/723k -> 16k/84k
Queue full, depth 18, deepening 80, 524k/691k -> 18k/82k
Queue full, depth 20, deepening 88, 524k/807k -> 15k/87k
Queue full, depth 24, deepening 94, 524k/829k -> 14k/103k
Queue full, depth 26, deepening 102, 524k/726k -> 11k/91k
Queue full, depth 29, deepening 109, 524k/819k -> 8.8k/86k
Queue full, depth 33, deepening 115, 524k/948k -> 6.7k/86k
Queue full, depth 37, deepening 121, 524k/943k -> 5.3k/81k
Queue full, depth 43, deepening 125, 524k/933k -> 4.3k/80k
Queue full, depth 47, deepening 131, 524k/839k -> 3.2k/68k
Queue full, depth 52, deepening 136, 524k/804k -> 2.4k/58k
Queue full, depth 57, deepening 141, 524k/868k -> 1.7k/49k
Queue full, depth 61, deepening 147, 524k/809k -> 1.3k/41k
Queue full, depth 69, deepening 149, 524k/1.0M -> 1.0k/37k
Queue full, depth 76, deepening 152, 524k/943k -> 793/32k
Queue full, depth 83, deepening 155, 524k/801k -> 661/28k
Queue full, depth 90, deepening 158, 524k/900k -> 501/24k
Queue full, depth 96, deepening 162, 524k/1.1M -> 400/20k
Queue full, depth 103, deepening 165, 524k/731k -> 303/18k
Queue full, depth 113, deepening 165, 524k/1.1M -> 236/16k
Queue full, depth 122, deepening 166, 524k/1.1M -> 170/13k
Queue full, depth 132, deepening 166, 524k/806k -> 145/11k
Queue full, depth 140, deepening 168, 524k/810k -> 103/8.9k
Queue full, depth 155, deepening 163, 524k/1.9M -> 88/7.9k
Queue full, depth 171, deepening 157, 524k/1.6M -> 76/7.1k
Queue full, depth 182, deepening 156, 524k/1.1M -> 57/6.1k
Queue full, depth 199, deepening 149, 524k/1.6M -> 42/4.9k
Queue full, depth 216, deepening 142, 524k/1.7M -> 29/3.6k
Queue full, depth 234, deepening 134, 524k/1.7M -> 25/3.8k
Queue full, depth 257, deepening 121, 524k/1.9M -> 42/2.8k
Queue full, depth 269, deepening 119, 524k/1.1M -> 42/3.1k
Queue full, depth 291, deepening 107, 524k/2.1M -> 33/3.0k
Queue full, depth 306, deepening 102, 524k/1.1M -> 22/2.2k
Queue full, depth 323, deepening 95, 524k/1.0M -> 26/1.8k
Queue full, depth 346, deepening 82, 524k/2.6M -> 49/2.5k
Queue full, depth 383, deepening 55, 288k/3.9M -> 93/3.3k
Queue full, depth 402, deepening 46, 524k/1.5M -> 357/4.8k
Queue full, depth 425, deepening 33, 461k/3.9M -> 660/11k
Queue full, depth 451, deepening 17, 287k/3.9M -> 1.8k/23k
Queue full, depth 474, deepening 10, 217k/3.9M -> 6.0k/46k
Queue full, depth 509, deepening 10, 204k/3.9M -> 7.8k/48k
Queue full, depth 532, deepening 10, 398k/3.9M -> 12k/60k
Search complete.