NEAR 1
LEFT -1
RIGHT 1
BOTTOM -1
TOP 1
RES 600 600
SPHERE s1 3 3 -8 1 1 1 0.5 0 0 0 1 0 0 100
SPHERE s2 0 0 -10 2 2 1 0 0.5 0 0 1 0 0 10
SPHERE s3 -4 -4 -12 2 2 1 0 0 0.5 0 1 0 0 1000
LIGHT l1 0 0 0 0.7 0.7 0.7
LIGHT l2 5 5 -5 1 1 1
BACK 1 1 1
AMBIENT 0.75 0.75 0.75
OUTPUT testShadow.ppm