a^{a0,v0}_{c0,a1} b^{a2}_{c2} c^{c2}_{c1} gamma1^{a1}_{a2} a+(c0) a+(c1) a-(v0) a-(a0)
-a^{a0,v0}_{c2,a1} b^{a2}_{c0} c^{c2}_{c1} gamma1^{a1}_{a2} a+(c0) a+(c1) a-(v0) a-(a0)