-a^{c1,v0}_{c0,c4} b^{c2}_{v0} c^{c4,a1}_{c3,a0} a+(c0) a+(c3) a+(a0) a-(a1) a-(c2) a-(c1)
+a^{c1,v0}_{c0,c4} b^{c4}_{v0} c^{c3,a1}_{c2,a0} a+(c0) a+(c2) a+(a0) a-(a1) a-(c3) a-(c1)
+a^{c0,v0}_{c2,c3} b^{c2}_{v0} c^{c3,a1}_{c1,a0} a+(c1) a+(a0) a-(a1) a-(c0)
-a^{c0,v0}_{c2,c3} b^{c2}_{v1} c^{c3,a1}_{c1,a0} a+(c1) a+(a0) a+(v1) a-(v0) a-(a1) a-(c0)