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