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