-a^{a0}_{c0} b^{c0,a2}_{a1,v0} c^{v1}_{a3} eta1^{a3}_{a2} a+(a1) a+(v0) a-(v1) a-(a0)
+a^{a0}_{c0} b^{c0,a2}_{a1,v0} c^{v1}_{a3} eta1^{a3}_{a2} eta1^{a1}_{a0} a+(v0) a-(v1)
+a^{a0}_{c0} b^{c0,a2}_{a1,v0} c^{v1}_{a3} lambda2^{a1,a3}_{a0,a2} a+(v0) a-(v1)
+a^{a0}_{c0} b^{c1,a2}_{a1,v0} c^{v1}_{a3} eta1^{a3}_{a2} eta1^{a1}_{a0} a+(c0) a+(v0) a-(v1) a-(c1)
+a^{a0}_{c0} b^{c1,a2}_{a1,v0} c^{v1}_{a3} lambda2^{a1,a3}_{a0,a2} a+(c0) a+(v0) a-(v1) a-(c1)
+a^{a2}_{c0} b^{c0,a1}_{a0,v0} c^{v1}_{a3} eta1^{a3}_{a2} a+(a0) a+(v0) a-(v1) a-(a1)
-a^{a2}_{c0} b^{c0,a0}_{a3,v0} c^{v1}_{a1} eta1^{a3}_{a2} a+(a1) a+(v0) a-(v1) a-(a0)