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