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