1/2 a^{c0,c1}_{a0,v0} b^{v1}_{c2} c^{c4,a1}_{c3,v1} gamma1^{a0}_{a1} a+(c2) a+(c3) a+(v0) a-(c4) a-(c1) a-(c0)
-1/2 a^{c0,c1}_{a0,v0} b^{v1}_{c3} c^{c3,a1}_{c2,v1} a+(c2) a+(a0) a+(v0) a-(a1) a-(c1) a-(c0)
+1/2 a^{c0,c1}_{a0,v0} b^{v1}_{c3} c^{c3,a1}_{c2,v1} gamma1^{a0}_{a1} a+(c2) a+(v0) a-(c1) a-(c0)
-1/2 a^{c0,c1}_{a0,v0} b^{v1}_{c3} c^{c3,a1}_{c2,v2} gamma1^{a0}_{a1} a+(c2) a+(v0) a+(v2) a-(v1) a-(c1) a-(c0)