1/4 a^{c0,c1}_{a1,v0} b^{c3,c4}_{c2,c6} c^{c6,a2}_{c5,a0} gamma1^{a1}_{a2} a+(c2) a+(c5) a+(a0) a+(v0) a-(c4) a-(c3) a-(c1) a-(c0)