a^{c0}_{a1} b^{c2,a0}_{c1,c4} c^{c4,a2}_{c3,v0} gamma1^{a1}_{a2} a+(c1) a+(c3) a+(v0) a-(a0) a-(c2) a-(c0)
-a^{c0}_{a1} b^{c2,a2}_{c1,c4} c^{c4,a0}_{c3,v0} gamma1^{a1}_{a2} a+(c1) a+(c3) a+(v0) a-(a0) a-(c2) a-(c0)