-1/6 a^{c0,a0,a1,a2}_{} b^{}_{c1,a3,a4,a5} eta1^{a5}_{a2} eta1^{a4}_{a1} eta1^{a3}_{a0} a+(c1) a-(c0)
-1/4 a^{c0,a0,a1,a2}_{} b^{}_{c1,a3,a4,a5} eta1^{a5}_{a2} lambda2^{a3,a4}_{a0,a1} a+(c1) a-(c0)
+1/36 a^{c0,a0,a1,a2}_{} b^{}_{c1,a3,a4,a5} lambda3^{a3,a4,a5}_{a0,a1,a2} a+(c1) a-(c0)
-1/4 a^{c0,a0,a1,a4}_{} b^{}_{c1,a2,a3,a5} eta1^{a5}_{a4} a+(c1) a+(a2) a+(a3) a-(a1) a-(a0) a-(c0)
+1/2 a^{c0,a0,a2,a3}_{} b^{}_{c1,a1,a4,a5} eta1^{a5}_{a3} eta1^{a4}_{a2} a+(c1) a+(a1) a-(a0) a-(c0)
+1/4 a^{c0,a0,a2,a3}_{} b^{}_{c1,a1,a4,a5} lambda2^{a4,a5}_{a2,a3} a+(c1) a+(a1) a-(a0) a-(c0)