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