1/12 a^{a2}_{a0,a1,a6} b^{a3,a4,a5,a7}_{} gamma1^{a6}_{a7} a+(a0) a+(a1) a-(a5) a-(a4) a-(a3) a-(a2)
+1/4 a^{a1}_{a0,a4,a5} b^{a2,a3,a6,a7}_{} gamma1^{a5}_{a7} gamma1^{a4}_{a6} a+(a0) a-(a3) a-(a2) a-(a1)
+1/8 a^{a1}_{a0,a4,a5} b^{a2,a3,a6,a7}_{} lambda2^{a4,a5}_{a6,a7} a+(a0) a-(a3) a-(a2) a-(a1)
-1/12 a^{a6}_{a0,a4,a5} b^{a1,a2,a3,a7}_{} lambda2^{a4,a5}_{a6,a7} a+(a0) a-(a3) a-(a2) a-(a1)
+1/6 a^{a0}_{a2,a3,a4} b^{a1,a5,a6,a7}_{} gamma1^{a4}_{a7} gamma1^{a3}_{a6} gamma1^{a2}_{a5} a-(a1) a-(a0)
+1/4 a^{a0}_{a2,a3,a4} b^{a1,a5,a6,a7}_{} gamma1^{a4}_{a7} lambda2^{a2,a3}_{a5,a6} a-(a1) a-(a0)
+1/36 a^{a0}_{a2,a3,a4} b^{a1,a5,a6,a7}_{} lambda3^{a2,a3,a4}_{a5,a6,a7} a-(a1) a-(a0)
+1/4 a^{a5}_{a2,a3,a4} b^{a0,a1,a6,a7}_{} gamma1^{a4}_{a7} lambda2^{a2,a3}_{a5,a6} a-(a1) a-(a0)
+1/24 a^{a5}_{a2,a3,a4} b^{a0,a1,a6,a7}_{} lambda3^{a2,a3,a4}_{a5,a6,a7} a-(a1) a-(a0)