1/2 a^{c1}_{c0} b^{a0,a1}_{c3,a2} c^{c3,a3}_{c2,v0} gamma1^{a2}_{a3} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
-1/2 a^{c0}_{c3} b^{a0,a1}_{c1,a2} c^{c3,a3}_{c2,v0} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(v0) a-(a1) a-(a0) a-(c0)