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