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