a^{v0}_{a0} b^{c1,a1}_{c0,v0} c^{c2}_{a2} eta1^{a2}_{a1} a+(c0) a+(a0) a-(c2) a-(c1)
+a^{v0}_{a0} b^{c0,a1}_{c1,v0} c^{c1}_{a2} a+(a0) a+(a2) a-(a1) a-(c0)
-a^{v0}_{a0} b^{c0,a1}_{c1,v0} c^{c1}_{a2} eta1^{a2}_{a1} a+(a0) a-(c0)
+a^{v0}_{a0} b^{c0,a1}_{c1,v1} c^{c1}_{a2} eta1^{a2}_{a1} a+(a0) a+(v1) a-(v0) a-(c0)
+a^{v0}_{a1} b^{c1,a2}_{c0,v0} c^{c2}_{a0} gamma1^{a1}_{a2} a+(c0) a+(a0) a-(c2) a-(c1)
-a^{v0}_{a1} b^{c0,a2}_{c1,v0} c^{c1}_{a0} gamma1^{a1}_{a2} a+(a0) a-(c0)
+a^{v0}_{a1} b^{c0,a2}_{c1,v1} c^{c1}_{a0} gamma1^{a1}_{a2} a+(a0) a+(v1) a-(v0) a-(c0)