+ <axiom>F</axiom>
+ <rule name="F" probability="0.33">[+FL]F/[-FL]F!</rule>
+ <rule name="F" probability="0.33">F[&FL]F!</rule>
+ <rule name="F" probability="0.34">F/[-FL]&F!</rule>
+ <rule name="L" probability="1">{,-f++f-|-f++f-'}</rule>
+ <angle>18</angle>
+ <depth>6</depth>
+ <diameter factor="0.93">1</diameter>