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