-a^{c1,a0}_{c0,v0} b^{v1}_{a1} c^{a3,v2}_{c2,a2} eta1^{a2}_{a0} gamma1^{a1}_{a3} a+(c0) a+(c2) a+(v0) a-(v2) a-(v1) a-(c1)
-a^{c1,a0}_{c0,v0} b^{v1}_{a1} c^{a3,v2}_{c2,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c2) a+(v0) a-(v2) a-(v1) a-(c1)