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