-1/4 a^{c0}_{c5} b^{c1,c2}_{a0,a1} c^{c5,a2}_{c3,c4} gamma1^{a1}_{a2} a+(c3) a+(c4) a+(a0) a-(c2) a-(c1) a-(c0)
+1/2 a^{c0}_{c5} b^{c1,c5}_{a0,a1} c^{c4,a2}_{c2,c3} gamma1^{a1}_{a2} a+(c2) a+(c3) a+(a0) a-(c4) a-(c1) a-(c0)