1/8 a^{a0,a1}_{a4,v0} b^{a2,a3}_{c0,c3} c^{c3,a5}_{c1,c2} gamma1^{a4}_{a5} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
-1/4 a^{a0,a1}_{a4,v0} b^{a2,a5}_{c0,c3} c^{c3,a3}_{c1,c2} gamma1^{a4}_{a5} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)