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