camera 20 100 300  0 25 0
size 5
sphere 1000  0 -1000 0  0 0 0     0.75 0.75 0.75  0
sphere 10    35 15 0    0 0 0     0.9 0 0         2
sphere 15    -35 20 0   0 0 0     0 0.9 0         2
sphere 20    0 25 -35   0 0 0     0 0 0.9         2
sphere 8     0 60 0     15 15 15  0 0 0           0