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