-a^{c1,v0}_{c0,c4} b^{c2,c4}_{a0,a1} c^{a2}_{c3} gamma1^{a1}_{a2} a+(c0) a+(c3) a+(a0) a-(v0) a-(c2) a-(c1)
-1/4 a^{c0,v0}_{c2,c3} b^{c2,c3}_{a0,a1} c^{a2}_{c1} a+(c1) a+(a0) a+(a1) a-(v0) a-(a2) a-(c0)
+1/2 a^{c0,v0}_{c2,c3} b^{c2,c3}_{a0,a1} c^{a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a-(v0) a-(c0)