-1/4 a^{c0}_{a0} b^{a1,a2}_{c2,c3} c^{c2,c3}_{c1,v0} a+(c1) a+(a0) a+(v0) a-(a2) a-(a1) a-(c0)
-a^{c0}_{a1} b^{a0,a2}_{c1,c4} c^{c3,c4}_{c2,v0} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(v0) a-(a0) a-(c3) a-(c0)
+1/2 a^{c0}_{a1} b^{a0,a2}_{c2,c3} c^{c2,c3}_{c1,v0} gamma1^{a1}_{a2} a+(c1) a+(v0) a-(a0) a-(c0)