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