1/2 a^{c1,c2}_{c0,c5} b^{c3,c5}_{a1,v0} c^{a0,a2}_{c4,v1} gamma1^{a1}_{a2} a+(c0) a+(c4) a+(v0) a+(v1) a-(a0) a-(c3) a-(c2) a-(c1)
+1/8 a^{c0,c1}_{c3,c4} b^{c3,c4}_{a0,v0} c^{a1,a2}_{c2,v1} a+(c2) a+(a0) a+(v0) a+(v1) a-(a2) a-(a1) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{c3,c4} b^{c3,c4}_{a1,v0} c^{a0,a2}_{c2,v1} gamma1^{a1}_{a2} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)