1/32 a^{c0,c1}_{a0,a1} b^{a4,a5}_{a2,a3} c^{c2,c3}_{a6,a7} eta1^{a7}_{a5} eta1^{a6}_{a4} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
+1/64 a^{c0,c1}_{a0,a1} b^{a4,a5}_{a2,a3} c^{c2,c3}_{a6,a7} lambda2^{a6,a7}_{a4,a5} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
-1/16 a^{c0,c1}_{a0,a1} b^{a5,a6}_{a2,a4} c^{c2,c3}_{a3,a7} lambda2^{a4,a7}_{a5,a6} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
+1/8 a^{c0,c1}_{a0,a4} b^{a5,a6}_{a1,a2} c^{c2,c3}_{a3,a7} eta1^{a7}_{a6} gamma1^{a4}_{a5} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
-1/16 a^{c0,c1}_{a0,a4} b^{a5,a6}_{a1,a2} c^{c2,c3}_{a3,a7} lambda2^{a4,a7}_{a5,a6} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
-1/16 a^{c0,c1}_{a0,a4} b^{a6,a7}_{a1,a5} c^{c2,c3}_{a2,a3} lambda2^{a4,a5}_{a6,a7} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
+1/32 a^{c0,c1}_{a4,a5} b^{a6,a7}_{a0,a1} c^{c2,c3}_{a2,a3} gamma1^{a5}_{a7} gamma1^{a4}_{a6} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)
+1/64 a^{c0,c1}_{a4,a5} b^{a6,a7}_{a0,a1} c^{c2,c3}_{a2,a3} lambda2^{a4,a5}_{a6,a7} a+(a0) a+(a1) a+(a2) a+(a3) a-(c3) a-(c2) a-(c1) a-(c0)