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