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