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