8 6           world x and y dims
4 3 3         viewpoint (x, y, z)

11             sphere
7 1 -4.0       center
2              radius
0.0 4.0 0.0    amb, diffuse, spec

11             sphere
1 1 -4.0       center
2              radius
0.0 4.0 0.0    amb, diffuse, spec

10             light
4 5 4          location
1              radius
8