-a^{c0,a1}_{a0,v0} b^{v2}_{c1} c^{c1,a2}_{v1,v2} a+(a0) a+(v0) a+(v1) a-(a2) a-(a1) a-(c0)
+1/2 a^{c0,a0}_{a1,v0} b^{v1}_{c1} c^{c1,a2}_{v2,v3} gamma1^{a1}_{a2} a+(v0) a+(v2) a+(v3) a-(v1) a-(a0) a-(c0)
-a^{c0,a0}_{a1,v0} b^{v2}_{c1} c^{c1,a2}_{v1,v2} gamma1^{a1}_{a2} a+(v0) a+(v1) a-(a0) a-(c0)
+a^{c0,a0}_{a1,v0} b^{v2}_{c1} c^{c2,a2}_{v1,v2} gamma1^{a1}_{a2} a+(c1) a+(v0) a+(v1) a-(a0) a-(c2) a-(c0)