1/2 a^{c0}_{a0} b^{a1,v0}_{c1,c5} c^{c4,c5}_{c2,c3} gamma1^{a0}_{a1} a+(c1) a+(c2) a+(c3) a-(v0) a-(c4) a-(c0)
+1/4 a^{c0}_{a0} b^{a1,v0}_{c3,c4} c^{c3,c4}_{c1,c2} a+(c1) a+(c2) a+(a0) a-(v0) a-(a1) a-(c0)
-1/4 a^{c0}_{a0} b^{a1,v0}_{c3,c4} c^{c3,c4}_{c1,c2} gamma1^{a0}_{a1} a+(c1) a+(c2) a-(v0) a-(c0)