{
  "axiom": "A-f+A-f+A-f+A",
  "rules": {
    "A": "F[+F][-F]F[+F][-F]F[+F][-F]FB",
    "B": "F[+F][-F]F[+F][-F]F[+F][-F]FC",
    "C": "F[+F][-F]F[+F][-F]F[+F][-F]FD",
    "D": "F[+F][-F]F[+F][-F]F[+F][-F]FE",
    "E": "F[-F-F]F[-F-F]"
  },
  "angle": 90,
  "iterations": 5,
  "start_heading": 90
}