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