a^{c0}_{a0} b^{c1,v0}_{a1,a3} c^{c2,a4}_{a2,v0} gamma1^{a3}_{a4} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)
+1/2 a^{c0}_{a3} b^{c1,v0}_{a0,a1} c^{c2,a4}_{a2,v0} gamma1^{a3}_{a4} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)