-1/8 a^{a1,a2}_{c0,v0} b^{c1,c2}_{a0,v1} c^{c3,c4}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c0) a+(a0) a+(v0) a+(v1) a-(c4) a-(c3) a-(c2) a-(c1)
-1/16 a^{a1,a2}_{c0,v0} b^{c1,c2}_{a0,v1} c^{c3,c4}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c0) a+(a0) a+(v0) a+(v1) a-(c4) a-(c3) a-(c2) a-(c1)
+1/4 a^{a1,a2}_{c0,v0} b^{c1,c2}_{a3,v1} c^{c3,c4}_{a0,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c0) a+(a0) a+(v0) a+(v1) a-(c4) a-(c3) a-(c2) a-(c1)
+1/8 a^{a1,a2}_{c0,v0} b^{c1,c2}_{a3,v1} c^{c3,c4}_{a0,a4} lambda2^{a3,a4}_{a1,a2} a+(c0) a+(a0) a+(v0) a+(v1) a-(c4) a-(c3) a-(c2) a-(c1)
-1/2 a^{a0,a3}_{c3,v0} b^{c0,c1}_{a1,v1} c^{c2,c3}_{a2,a4} eta1^{a4}_{a3} a+(a1) a+(a2) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1) a-(c0)
-1/2 a^{a0,a3}_{c3,v0} b^{c0,c3}_{a1,v1} c^{c1,c2}_{a2,a4} eta1^{a4}_{a3} a+(a1) a+(a2) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1) a-(c0)
-1/4 a^{a0,a3}_{c3,v0} b^{c0,c1}_{a4,v1} c^{c2,c3}_{a1,a2} eta1^{a4}_{a3} a+(a1) a+(a2) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1) a-(c0)
-1/4 a^{a0,a3}_{c3,v0} b^{c0,c3}_{a4,v1} c^{c1,c2}_{a1,a2} eta1^{a4}_{a3} a+(a1) a+(a2) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1) a-(c0)
+1/4 a^{a1,a2}_{c3,v0} b^{c0,c1}_{a0,v1} c^{c2,c3}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/8 a^{a1,a2}_{c3,v0} b^{c0,c1}_{a0,v1} c^{c2,c3}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/4 a^{a1,a2}_{c3,v0} b^{c0,c3}_{a0,v1} c^{c1,c2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
+1/8 a^{a1,a2}_{c3,v0} b^{c0,c3}_{a0,v1} c^{c1,c2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
-1/2 a^{a1,a2}_{c3,v0} b^{c0,c1}_{a3,v1} c^{c2,c3}_{a0,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
-1/4 a^{a1,a2}_{c3,v0} b^{c0,c1}_{a3,v1} c^{c2,c3}_{a0,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
-1/2 a^{a1,a2}_{c3,v0} b^{c0,c3}_{a3,v1} c^{c1,c2}_{a0,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)
-1/4 a^{a1,a2}_{c3,v0} b^{c0,c3}_{a3,v1} c^{c1,c2}_{a0,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a+(v1) a-(c2) a-(c1) a-(c0)