camera 20 80 300  0 15 0
size 5
sphere 1000  0 -1000 0  0 0 0     0.75 0.75 0.75  0
sphere 10    35 10 0    0 0 0     0.75 0 0        0
sphere 15    -35 15 0   0 0 0     0 0.75 0        0
sphere 20    0 20 -35   0 0 0     0 0 0.75        0
sphere 8     0 60 0     15 15 15  0 0 0           0