-1/12 a^{a0,a1}_{c0,c1} b^{c1}_{a2,a3,a4} a+(c0) a+(a2) a+(a3) a+(a4) a-(a1) a-(a0)
+1/2 a^{a0,a3}_{c0,c1} b^{c1}_{a1,a2,a4} eta1^{a4}_{a3} a+(c0) a+(a1) a+(a2) a-(a0)
-1/4 a^{a0,a3}_{c0,c1} b^{c2}_{a1,a2,a4} eta1^{a4}_{a3} a+(c0) a+(c1) a+(a1) a+(a2) a-(a0) a-(c2)
-1/2 a^{a1,a2}_{c0,c1} b^{c1}_{a0,a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c0) a+(a0)
-1/4 a^{a1,a2}_{c0,c1} b^{c1}_{a0,a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c0) a+(a0)
+1/4 a^{a1,a2}_{c0,c1} b^{c2}_{a0,a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c0) a+(c1) a+(a0) a-(c2)
+1/8 a^{a1,a2}_{c0,c1} b^{c2}_{a0,a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c0) a+(c1) a+(a0) a-(c2)