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