Coordinates: Spherical
a(u,v,t)= (cos(u))^8*v+6^9
b(u,v,t)= u*(sin(v))^7
R(u,v,t)= u^2+v*7
Min U: -10; Max U: 22; Steps: 200
Min V: -2; Max V: 2; Steps: 80
