================================================================================ lsystem: 0 derivation length: 4 axiom: B-B[+B]B B-->C-C[+C]CC C-->F[+F][-F]FFDC[+C]CC D-->-C[+C]CCB endlsystem angle increment: 30 ================================================================================ lsystem: 0 derivation length: 4 axiom: F[-F][+F]F [-F]-->-F[-F][+F]FF F-->F[-F][+F]FF endlsystem angle increment: 30 ================================================================================ lsystem: 0 derivation length: 4 axiom: A---A[+++A]A A-->A---A[+++A]AA+++F[---F][+++F]FF F-->- endlsystem angle increment: 10 ================================================================================