6/(w^3*z^6) + 45/(w*z^6) + (45*w)/z^6 + (6*w^3)/z^6 + 36/(w^3*z^2) + 
 36/(w*z^2) + (36*w)/z^2 + (36*w^3)/z^2 + (18*z^2)/w^5 + (36*z^2)/w^3 + 
 (45*z^2)/w + 45*w*z^2 + 36*w^3*z^2 + 18*w^5*z^2 + (18*z^6)/w^5 + 
 (6*z^6)/w^3 + 6*w^3*z^6 + 18*w^5*z^6 + (9*z^10)/w^7 + 9*w^7*z^10 + 
 z^18/w^9 + w^9*z^18
