1/6 a^{a0,a1,a2}_{} b^{c0}_{a3,a4,a5} eta1^{a5}_{a2} eta1^{a4}_{a1} eta1^{a3}_{a0} a-(c0)
+1/4 a^{a0,a1,a2}_{} b^{c0}_{a3,a4,a5} eta1^{a5}_{a2} lambda2^{a3,a4}_{a0,a1} a-(c0)
-1/36 a^{a0,a1,a2}_{} b^{c0}_{a3,a4,a5} lambda3^{a3,a4,a5}_{a0,a1,a2} a-(c0)
+1/4 a^{a0,a1,a4}_{} b^{c0}_{a2,a3,a5} eta1^{a5}_{a4} a+(a2) a+(a3) a-(a1) a-(a0) a-(c0)
-1/2 a^{a0,a2,a3}_{} b^{c0}_{a1,a4,a5} eta1^{a5}_{a3} eta1^{a4}_{a2} a+(a1) a-(a0) a-(c0)
-1/4 a^{a0,a2,a3}_{} b^{c0}_{a1,a4,a5} lambda2^{a4,a5}_{a2,a3} a+(a1) a-(a0) a-(c0)