-1/4 a^{a0,a1}_{c0,a3} b^{a2}_{c1} c^{c1,a4}_{v0,v1} gamma1^{a3}_{a4} a+(c0) a+(v0) a+(v1) a-(a2) a-(a1) a-(a0)
+1/4 a^{a0,a1}_{c0,a3} b^{a4}_{c1} c^{c1,a2}_{v0,v1} gamma1^{a3}_{a4} a+(c0) a+(v0) a+(v1) a-(a2) a-(a1) a-(a0)
+1/4 a^{a0,a1}_{c1,a3} b^{a2}_{c0} c^{c1,a4}_{v0,v1} gamma1^{a3}_{a4} a+(c0) a+(v0) a+(v1) a-(a2) a-(a1) a-(a0)
-1/4 a^{a0,a1}_{c1,a3} b^{a4}_{c0} c^{c1,a2}_{v0,v1} gamma1^{a3}_{a4} a+(c0) a+(v0) a+(v1) a-(a2) a-(a1) a-(a0)