q, c, p, d, 
-2*p^2-2*p*q+8*p-2*q-2
-3*c*p*q+4*d*p^2+2*d*p*q+3*c*p-7*d*p+d*q
c^2*q^2-2*c*d*p*q-2*c*d*q^2+d^2*p^2+2*d^2*p*q+d^2*q^2-2*c^2*q+2*c*d*p+2*c*d*q+4*c*p*q-4*d^2*p-4*d^2*q+c^2-4*c*d+4*d^2+10*p^2+2*p*q-8*p-2*q+2
3*c^2*q^2+12*c*d*p*q-3*d^2*p^2+6*d^2*p*q-3*d^2*q^2-6*c^2*q+12*c*d*p+12*c*d*q+3*c^2-12*c*d+12*d^2+5*p^2-4*q^2-6*p+5
