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