================================================================================

lsystem: 0
derivation length: 4

axiom: F++++++++++++++++++F++++++++++++++++++F++++++++++++++++++F
F-->F+++++++++++++++++F----------------------------------F+++++++++++++++++F
 
endlsystem 

angle increment: 5

================================================================================

lsystem: 0
derivation length: 4

axiom: F-(90)F-(90)F-(90)F
F --> F-F++F-F

endlsystem

angle increment: 85

================================================================================