a^{c1,v0}_{c0,c3} b^{c2,c3}_{a0,a2} c^{a3}_{a1} gamma1^{a2}_{a3} a+(c0) a+(a0) a+(a1) a-(v0) a-(c2) a-(c1)
-1/4 a^{c0,v0}_{c1,c2} b^{c1,c2}_{a0,a1} c^{a3}_{a2} a+(a0) a+(a1) a+(a2) a-(v0) a-(a3) a-(c0)
-1/2 a^{c0,v0}_{c1,c2} b^{c1,c2}_{a0,a2} c^{a3}_{a1} gamma1^{a2}_{a3} a+(a0) a+(a1) a-(v0) a-(c0)