NEAR 1
LEFT -1
RIGHT 1
BOTTOM -1
TOP 1
RES 600 600
SPHERE s1 4 4 -10 2 2 1 0.5 0 0 0 0 1 0 100
SPHERE s2 0 0 -10 2 2 1 0 0.5 0 0 0 1 0 10
SPHERE s3 -4 2 -10 2 2 1 0 0 0.5 0 0 1 0 1000
LIGHT l1 0 -5 0 0.9 0 0
LIGHT l2 10 5 0 0 0.9 0
LIGHT l3 -10 5 0 0 0 0.9
BACK 1 1 1
AMBIENT 0.75 0.75 0.75
OUTPUT testSpecular.ppm