-a^{v0}_{c0} b^{c1,a1}_{a0,v0} c^{c2}_{a2} eta1^{a2}_{a1} a+(c0) a+(a0) a-(c2) a-(c1)
-a^{v0}_{c1} b^{c0,a1}_{a0,v0} c^{c1}_{a2} a+(a0) a+(a2) a-(a1) a-(c0)
+a^{v0}_{c1} b^{c0,a1}_{a0,v0} c^{c1}_{a2} eta1^{a2}_{a1} a+(a0) a-(c0)
+a^{v0}_{c1} b^{c1,a1}_{a0,v0} c^{c0}_{a2} a+(a0) a+(a2) a-(a1) a-(c0)
-a^{v0}_{c1} b^{c1,a1}_{a0,v0} c^{c0}_{a2} eta1^{a2}_{a1} a+(a0) a-(c0)
-a^{v0}_{c1} b^{c0,a1}_{a0,v1} c^{c1}_{a2} eta1^{a2}_{a1} a+(a0) a+(v1) a-(v0) a-(c0)
+a^{v0}_{c1} b^{c1,a1}_{a0,v1} c^{c0}_{a2} eta1^{a2}_{a1} a+(a0) a+(v1) a-(v0) a-(c0)