-a^{a1}_{a0} b^{a2}_{v0} c^{c1,v1}_{c0,a3} eta1^{a3}_{a1} gamma1^{a0}_{a2} a+(c0) a+(v0) a-(v1) a-(c1)
-a^{a1}_{a0} b^{a2}_{v0} c^{c1,v1}_{c0,a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(v0) a-(v1) a-(c1)