-1/4 a^{c0,v1}_{a0,v0} b^{c1,c2}_{a3,v1} c^{c3,a4}_{a1,a2} gamma1^{a3}_{a4} a+(a0) a+(a1) a+(a2) a+(v0) a-(c3) a-(c2) a-(c1) a-(c0)
+1/4 a^{c0,v1}_{a3,v0} b^{c1,c2}_{a0,v1} c^{c3,a4}_{a1,a2} gamma1^{a3}_{a4} a+(a0) a+(a1) a+(a2) a+(v0) a-(c3) a-(c2) a-(c1) a-(c0)