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