1RB0RB_1LC1RE_1LF0LD_1RA1LD_1RC1RB_---1LC

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1RB0RB_1LC1RE_1LF0LD_1RA1LD_1RC1RB_---1LC (bbch)

Potential BB(6) Cryptid found by @mxdys on 18 Aug 2024: https://discord.com/channels/960643023006490684/1239205785913790465/1274733002454335601

start: P(2)

P(2a)   -> P(3a+4)
P(2a+1) -> Q(a+2,1)

Q(2a+3,b) -> P(b+5a+6)
Q(2a+2,b) -> Q(a,b+2a+5)

Q(1,2b+1) -> P(3b+8)
Q(1,2b)   -> Q(b+2,1)

Q(0,b)    -> halt

P(a) := 0^inf 1^a 011 <D 0^inf
Q(a,b) := 0^inf 1^(2a+1) <D 0 1^b 0^inf

CoSearch: https://cosearch.bbchallenge.org/contribution/tpxh8d8d