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