eye 0 2 10
lookat 0 0 0
up 0 1 0
fov 30
background 0.2 0.8 0.9
light 1 1 1 ambient
light 1 1 1 directional -1 -2 -1
light 0.5 0.5 0.5 point -1 2 -1

surface 0.7 0.2 0.8 0.5 0.4 0.2 10.0 0.0 0.0 1.0
sphere -2 -3 -2 1.5
sphere  0 -3 -2 1.5
sphere  2 -3 -2 1.5
sphere -1 -3 -1 1.5
sphere  1 -3 -1 1.5
sphere -2 -3  0 1.5
sphere  0 -3  0 1.5
sphere  2 -3  0 1.5
sphere -1 -3  1 1.5
sphere  1 -3  1 1.5
sphere -2 -3  2 1.5
sphere  0 -3  2 1.5
sphere  2 -3  2 1.5

surface 0.7 0.2 0.2 0.5 0.4 0.2 3.0 0.0 0.0 1.0
sphere -1 -3 -2 1.5
sphere  1 -3 -2 1.5
sphere -2 -3 -1 1.5
sphere  0 -3 -1 1.5
sphere  2 -3 -1 1.5
sphere -1 -3  0 1.5
sphere  1 -3  0 1.5
sphere -2 -3  1 1.5
sphere  0 -3  1 1.5
sphere  2 -3  1 1.5
sphere -1 -3  2 1.5
sphere  1 -3  2 1.5

surface 0.4 0.4 0.4 0.1 0.1 0.6 100.0 0.8 0.0 1.0
sphere  0 0 0 1