a^{c1}_{c0} b^{c3,v0}_{c2,c4} c^{c4}_{v0} a+(c0) a+(c2) a-(c3) a-(c1)
-a^{c0}_{c2} b^{c2,v0}_{c1,c3} c^{c3}_{v0} a+(c1) a-(c0)
+a^{c0}_{c2} b^{c2,v0}_{c1,c3} c^{c3}_{v1} a+(c1) a+(v1) a-(v0) a-(c0)
+1/2 a^{c0}_{c4} b^{c3,v0}_{c1,c2} c^{c4}_{v0} a+(c1) a+(c2) a-(c3) a-(c0)
-1/2 a^{c0}_{c4} b^{c4,v0}_{c1,c2} c^{c3}_{v0} a+(c1) a+(c2) a-(c3) a-(c0)