-a^{a0}_{a2} b^{c1,a1}_{c0,c3} c^{c3,a3}_{c2,v0} gamma1^{a2}_{a3} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
+a^{a0}_{a2} b^{c1,a3}_{c0,c3} c^{c3,a1}_{c2,v0} gamma1^{a2}_{a3} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)