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