4
  0.0200 0.8400 0.0700 0.0700 

4 3
   0.000  0.000  0.500
   0.950  0.002  0.025
   0.035 -0.110  0.478
  -0.040  0.110  0.525

4 3
   0.000  0.250 -0.040
  -0.002  0.930  0.051
   0.270  0.010 -0.135
   0.270  0.010 -0.129

Fishbone fern
http://www.home.aone.net.au/~byzantium/ferns/fractal.html