a 5 z 11 + a 3 z 11 + a 6 z 10 + 4 a 4 z 10 + 3 a 2 z 10 − 4 a 5 z 9 − a 3 z 9 + 3 a z 9 − 6 a 6 z 8 − 22 a 4 z 8 − 15 a 2 z 8 + z 8 − a 5 z 7 − 17 a 3 z 7 − 16 a z 7 + 10 a 6 z 6 + 31 a 4 z 6 + 16 a 2 z 6 − 5 z 6 − a 7 z 5 + 10 a 5 z 5 + 34 a 3 z 5 + 23 a z 5 − a 8 z 4 − 9 a 6 z 4 − 12 a 4 z 4 + 3 a 2 z 4 + 7 z 4 − 2 a 7 z 3 − 9 a 5 z 3 − 17 a 3 z 3 − 10 a z 3 + 2 a 6 z 2 − 6 a 2 z 2 − 4 z 2 + a 7 z + 3 a 5 z + 3 a 3 z + a z + 1 {\displaystyle a^{5}z^{11}+a^{3}z^{11}+a^{6}z^{10}+4a^{4}z^{10}+3a^{2}z^{10}-4a^{5}z^{9}-a^{3}z^{9}+3az^{9}-6a^{6}z^{8}-22a^{4}z^{8}-15a^{2}z^{8}+z^{8}-a^{5}z^{7}-17a^{3}z^{7}-16az^{7}+10a^{6}z^{6}+31a^{4}z^{6}+16a^{2}z^{6}-5z^{6}-a^{7}z^{5}+10a^{5}z^{5}+34a^{3}z^{5}+23az^{5}-a^{8}z^{4}-9a^{6}z^{4}-12a^{4}z^{4}+3a^{2}z^{4}+7z^{4}-2a^{7}z^{3}-9a^{5}z^{3}-17a^{3}z^{3}-10az^{3}+2a^{6}z^{2}-6a^{2}z^{2}-4z^{2}+a^{7}z+3a^{5}z+3a^{3}z+az+1}