-a^{a0}_{c0} b^{c2,v0}_{c1,a2} c^{a1,a3}_{c3,v0} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(c3) a-(a1) a-(a0) a-(c2)
+1/2 a^{a2}_{c0} b^{c2,v0}_{c1,a3} c^{a0,a1}_{c3,v0} eta1^{a3}_{a2} a+(c0) a+(c1) a+(c3) a-(a1) a-(a0) a-(c2)
-1/2 a^{a0}_{c2} b^{c2,v0}_{c0,a1} c^{a2,a3}_{c1,v0} a+(c0) a+(c1) a+(a1) a-(a3) a-(a2) a-(a0)
-a^{a0}_{c2} b^{c2,v0}_{c0,a2} c^{a1,a3}_{c1,v0} gamma1^{a2}_{a3} a+(c0) a+(c1) a-(a1) a-(a0)
+a^{a0}_{c2} b^{c2,v0}_{c0,a2} c^{a1,a3}_{c1,v1} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(v1) a-(v0) a-(a1) a-(a0)
+1/2 a^{a2}_{c2} b^{c2,v0}_{c0,a3} c^{a0,a1}_{c1,v0} eta1^{a3}_{a2} a+(c0) a+(c1) a-(a1) a-(a0)
-1/2 a^{a2}_{c2} b^{c2,v0}_{c0,a3} c^{a0,a1}_{c1,v1} eta1^{a3}_{a2} a+(c0) a+(c1) a+(v1) a-(v0) a-(a1) a-(a0)