-1/2 a^{c0}_{a1} b^{c1,a0}_{c4,v0} c^{c4,a2}_{c2,c3} gamma1^{a1}_{a2} a+(c2) a+(c3) a+(v0) a-(a0) a-(c1) a-(c0)
+1/2 a^{c0}_{a1} b^{c1,a2}_{c4,v0} c^{c4,a0}_{c2,c3} gamma1^{a1}_{a2} a+(c2) a+(c3) a+(v0) a-(a0) a-(c1) a-(c0)