-a^{a1}_{a0} b^{c0}_{a2} c^{a3}_{c1} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c1) a-(c0)
-a^{a1}_{a0} b^{c0}_{a2} c^{a3}_{c1} lambda2^{a0,a2}_{a1,a3} a+(c1) a-(c0)