1/2 a^{a1,a2,a3}_{a0} b^{c1}_{c0,a4,a5} eta1^{a5}_{a3} eta1^{a4}_{a2} a+(c0) a+(a0) a-(a1) a-(c1)
-1/2 a^{a1,a2,a3}_{a0} b^{c1}_{c0,a4,a5} eta1^{a5}_{a3} lambda2^{a0,a4}_{a1,a2} a+(c0) a-(c1)
+1/4 a^{a1,a2,a3}_{a0} b^{c1}_{c0,a4,a5} lambda2^{a4,a5}_{a2,a3} a+(c0) a+(a0) a-(a1) a-(c1)
+1/12 a^{a1,a2,a3}_{a0} b^{c1}_{c0,a4,a5} lambda3^{a0,a4,a5}_{a1,a2,a3} a+(c0) a-(c1)
-1/2 a^{a1,a2,a4}_{a0} b^{c1}_{c0,a3,a5} eta1^{a5}_{a4} a+(c0) a+(a0) a+(a3) a-(a2) a-(a1) a-(c1)
-1/2 a^{a0,a3,a4}_{a2} b^{c1}_{c0,a1,a5} lambda2^{a2,a5}_{a3,a4} a+(c0) a+(a1) a-(a0) a-(c1)