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