1/8 a^{c0}_{a0} b^{a1,a2}_{c1,c2} c^{c1,c2}_{v0,v1} a+(a0) a+(v0) a+(v1) a-(a2) a-(a1) a-(c0)
+1/4 a^{c0}_{a1} b^{a0,a2}_{c1,c2} c^{c1,c2}_{v0,v1} gamma1^{a1}_{a2} a+(v0) a+(v1) a-(a0) a-(c0)
-1/2 a^{c0}_{a1} b^{a0,a2}_{c1,c3} c^{c2,c3}_{v0,v1} gamma1^{a1}_{a2} a+(c1) a+(v0) a+(v1) a-(a0) a-(c2) a-(c0)