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