1/288 a^{a2,a6}_{a0,a1} b^{}_{c0,c1,c2,c3} c^{a3,a4,a5}_{a7} eta1^{a7}_{a6} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a+(a1) a-(a5) a-(a4) a-(a3) a-(a2)
+1/96 a^{a1,a2}_{a0,a4} b^{}_{c0,c1,c2,c3} c^{a3,a6,a7}_{a5} lambda2^{a4,a5}_{a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a-(a3) a-(a2) a-(a1)
+1/48 a^{a1,a5}_{a0,a4} b^{}_{c0,c1,c2,c3} c^{a2,a3,a7}_{a6} eta1^{a6}_{a5} gamma1^{a4}_{a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a-(a3) a-(a2) a-(a1)
+1/48 a^{a1,a5}_{a0,a4} b^{}_{c0,c1,c2,c3} c^{a2,a3,a7}_{a6} lambda2^{a4,a6}_{a5,a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a-(a3) a-(a2) a-(a1)
+1/288 a^{a5,a6}_{a0,a4} b^{}_{c0,c1,c2,c3} c^{a1,a2,a3}_{a7} lambda2^{a4,a7}_{a5,a6} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a-(a3) a-(a2) a-(a1)
-1/96 a^{a1,a2}_{a0,a6} b^{}_{c0,c1,c2,c3} c^{a4,a5,a7}_{a3} gamma1^{a6}_{a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a0) a+(a3) a-(a5) a-(a4) a-(a2) a-(a1)
-1/96 a^{a0,a1}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a5,a6,a7}_{a4} gamma1^{a3}_{a7} lambda2^{a2,a4}_{a5,a6} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/576 a^{a0,a1}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a5,a6,a7}_{a4} lambda3^{a2,a3,a4}_{a5,a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/48 a^{a0,a4}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a1,a6,a7}_{a5} eta1^{a5}_{a4} gamma1^{a3}_{a7} gamma1^{a2}_{a6} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/96 a^{a0,a4}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a1,a6,a7}_{a5} eta1^{a5}_{a4} lambda2^{a2,a3}_{a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/24 a^{a0,a4}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a1,a6,a7}_{a5} gamma1^{a3}_{a7} lambda2^{a2,a5}_{a4,a6} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
-1/96 a^{a0,a4}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a1,a6,a7}_{a5} lambda3^{a2,a3,a5}_{a4,a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/96 a^{a4,a5}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a0,a1,a7}_{a6} eta1^{a6}_{a5} lambda2^{a2,a3}_{a4,a7} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
-1/96 a^{a4,a5}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a0,a1,a7}_{a6} gamma1^{a3}_{a7} lambda2^{a2,a6}_{a4,a5} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/192 a^{a4,a5}_{a2,a3} b^{}_{c0,c1,c2,c3} c^{a0,a1,a7}_{a6} lambda3^{a2,a3,a6}_{a4,a5,a7} a+(c0) a+(c1) a+(c2) a+(c3) a-(a1) a-(a0)
+1/96 a^{a0,a1}_{a4,a5} b^{}_{c0,c1,c2,c3} c^{a3,a6,a7}_{a2} gamma1^{a5}_{a7} gamma1^{a4}_{a6} a+(c0) a+(c1) a+(c2) a+(c3) a+(a2) a-(a3) a-(a1) a-(a0)
+1/192 a^{a0,a1}_{a4,a5} b^{}_{c0,c1,c2,c3} c^{a3,a6,a7}_{a2} lambda2^{a4,a5}_{a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a2) a-(a3) a-(a1) a-(a0)
+1/96 a^{a0,a6}_{a4,a5} b^{}_{c0,c1,c2,c3} c^{a2,a3,a7}_{a1} lambda2^{a4,a5}_{a6,a7} a+(c0) a+(c1) a+(c2) a+(c3) a+(a1) a-(a3) a-(a2) a-(a0)