print "sphere { <"xt","zt","yt">, "radius" ";
print "texture { pigment { color " color " } ";
print "finish { phong 1 metallic } } }";
print "sphere { <"xt","zt","yt">, "radius" ";
print "texture { pigment { color " color " } ";
print "finish { phong 1 metallic } } }";