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