M^40 - L*M^40 + 2*L*M^42 + 2*L*M^44 + L^2*M^44 - L^2*M^46 - L*M^48 + L*M^50 + 
 2*L^2*M^50 + 2*L^2*M^52 - L^2*M^54 + L^3*M^54