/usr/share/k3d/lsystem/lobster-form.ls is in k3d-data 0.8.0.3-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | # --- L-System Parser/Mutator --- Lj Lapre ----------------------------------
15
10
100
[c|H]C[ccc>>>>>>>>>[TccF][OccF]]
C=FR-C
R=[cc^^^^^^^^^BL][cc&&&&&&&&&BL]
B=:F++!B
L=[cc{--z++z++z--|--z++z++z}]
H=[^^^S]%[^^^S]>>>H
S=Z!S
T=Z+^!:T
O=Z-^!:O
@
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