1/2 a^{c0,c1}_{c4,a0} b^{c2,v0}_{a1,a3} c^{c4,a4}_{c3,a2} gamma1^{a3}_{a4} a+(c3) a+(a0) a+(a1) a+(a2) a-(v0) a-(c2) a-(c1) a-(c0)
-1/2 a^{c0,c1}_{c4,a0} b^{c4,v0}_{a1,a3} c^{c3,a4}_{c2,a2} gamma1^{a3}_{a4} a+(c2) a+(a0) a+(a1) a+(a2) a-(v0) a-(c3) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{c4,a3} b^{c2,v0}_{a0,a1} c^{c4,a4}_{c3,a2} gamma1^{a3}_{a4} a+(c3) a+(a0) a+(a1) a+(a2) a-(v0) a-(c2) a-(c1) a-(c0)
-1/4 a^{c0,c1}_{c4,a3} b^{c4,v0}_{a0,a1} c^{c3,a4}_{c2,a2} gamma1^{a3}_{a4} a+(c2) a+(a0) a+(a1) a+(a2) a-(v0) a-(c3) a-(c1) a-(c0)