1/2 a^{c0,c1}_{c5,a1} b^{c3,c5}_{c2,v0} c^{a0,a2}_{c4,v1} gamma1^{a1}_{a2} a+(c2) a+(c4) a+(v0) a+(v1) a-(a0) a-(c3) a-(c1) a-(c0)