-a^{c0}_{a0} b^{c1,v1}_{a1,v0} c^{c3,a2}_{c2,v1} gamma1^{a1}_{a2} a+(c2) a+(a0) a+(v0) a-(c3) a-(c1) a-(c0)
+a^{c0}_{a1} b^{c1,v1}_{a0,v0} c^{c3,a2}_{c2,v1} gamma1^{a1}_{a2} a+(c2) a+(a0) a+(v0) a-(c3) a-(c1) a-(c0)