y*z^2*(1+4*z)*(-1+12*z)*Dz^3*Dy+2*y*z*(-y+16*y*z-4*z^2+96*y*z^2)*Dz^2*Dy^2+y^3*(-1+84*y-28*z+432*y*z)*Dz*Dy^3+z^2*(1+4*z)*(-1+12*z)*Dz^3+z*(-7*y+106*y*z-4*z^2+744*y*z^2)*Dz^2*Dy+2*y*(-3*y+273*y^2-20*y*z+1404*y^2*z-16*z^2+384*y*z^2)*Dz*Dy^2+4*y^3*(-7+108*y)*Dy^3+3*z*(1+6*z)*(-1+20*z)*Dz^2+(-7*y+672*y^2+124*y*z+3456*y^2*z-16*z^2+2112*y*z^2)*Dz*Dy+8*y*(-13*y+351*y^2-2*z+48*y*z)*Dy^2+(-1+84*y+36*z+432*y*z+576*z^2)*Dz+8*(-5*y+432*y^2-z+114*y*z)*Dy+144*(3*y+z)