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