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