1/2 a^{c0}_{a0} b^{c2,a1}_{c1,c6} c^{c5,c6}_{c3,c4} gamma1^{a0}_{a1} a+(c1) a+(c3) a+(c4) a-(c5) a-(c2) a-(c0)
+1/4 a^{c0}_{a0} b^{c1,a1}_{c4,c5} c^{c4,c5}_{c2,c3} a+(c2) a+(c3) a+(a0) a-(a1) a-(c1) a-(c0)
+1/4 a^{c0}_{a0} b^{c1,a1}_{c4,c5} c^{c4,c5}_{c2,c3} gamma1^{a0}_{a1} a+(c2) a+(c3) a-(c1) a-(c0)