imsize 512 512
eye 0 0 0
viewdir 0 0 -1
hfov 45
updir 0 1 0
bkgcolor 0 0 0 1
depthcueing 0.4 0.05 0.05 0 1 0 225
light 10 10 -25 1 1

mtlcolor 0 1 0 1 1 1 0.2 0.8 0 1 1 1
sphere 60 60 -200 10

mtlcolor 0 1 0 1 1 1 0.2 0.8 0 1 1 1
sphere 25 25 -175 10

mtlcolor 0 1 0 1 1 1 0.2 0.8 0 1 1 1
sphere 35 -35 -150 10

mtlcolor 0 1 0 1 1 1 0.2 0.8 0 1 1 1
sphere -25 25 -100 10

mtlcolor 0 1 0 1 1 1 0.2 0.8 0 1 1 1
sphere -5 -5 -50 10