a^{c0,v2}_{a0,a2} b^{c1}_{v0} c^{a3,v1}_{a1,v2} gamma1^{a2}_{a3} a+(a0) a+(a1) a+(v0) a-(v1) a-(c1) a-(c0)
-a^{c0,v2}_{a0,a2} b^{c1}_{v2} c^{a3,v1}_{a1,v0} gamma1^{a2}_{a3} a+(a0) a+(a1) a+(v0) a-(v1) a-(c1) a-(c0)