1/2 a^{a2,a3}_{a0,a1} b^{}_{} c^{a5}_{a4} eta1^{a4}_{a3} lambda2^{a0,a1}_{a2,a5}
-1/2 a^{a2,a3}_{a0,a1} b^{}_{} c^{a5}_{a4} gamma1^{a1}_{a5} lambda2^{a0,a4}_{a2,a3}
+1/4 a^{a2,a3}_{a0,a1} b^{}_{} c^{a5}_{a4} lambda3^{a0,a1,a4}_{a2,a3,a5}
+a^{a1,a3}_{a0,a2} b^{}_{} c^{a5}_{a4} eta1^{a4}_{a3} gamma1^{a2}_{a5} a+(a0) a-(a1)
+a^{a1,a3}_{a0,a2} b^{}_{} c^{a5}_{a4} lambda2^{a2,a4}_{a3,a5} a+(a0) a-(a1)
+1/2 a^{a3,a4}_{a0,a2} b^{}_{} c^{a1}_{a5} lambda2^{a2,a5}_{a3,a4} a+(a0) a-(a1)
+1/2 a^{a0,a4}_{a2,a3} b^{}_{} c^{a5}_{a1} lambda2^{a2,a3}_{a4,a5} a+(a1) a-(a0)