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