a 5 z 11 + a 3 z 11 + 2 a 6 z 10 + 7 a 4 z 10 + 5 a 2 z 10 + 2 a 7 z 9 + 7 a 5 z 9 + 14 a 3 z 9 + 9 a z 9 + a 8 z 8 + 4 a 6 z 8 − 3 a 4 z 8 + 2 a 2 z 8 + 8 z 8 + a 7 z 7 − 9 a 5 z 7 − 31 a 3 z 7 − 17 a z 7 + 4 z 7 a − 1 + 2 a 8 z 6 − 8 a 6 z 6 − 11 a 4 z 6 − 19 a 2 z 6 + z 6 a − 2 − 17 z 6 + 3 a 9 z 5 + a 5 z 5 + 23 a 3 z 5 + 11 a z 5 − 8 z 5 a − 1 − 5 a 8 z 4 + 5 a 6 z 4 + 12 a 4 z 4 + 15 a 2 z 4 − 2 z 4 a − 2 + 11 z 4 − 7 a 9 z 3 − 6 a 7 z 3 + 3 a 5 z 3 − 10 a 3 z 3 − 8 a z 3 + 4 z 3 a − 1 + 3 a 8 z 2 + 2 a 6 z 2 − 3 a 4 z 2 − 7 a 2 z 2 + z 2 a − 2 − 4 z 2 + 4 a 9 z + 4 a 7 z + a 5 z + 3 a 3 z + 2 a z − 2 a 8 − 3 a 6 + a 2 + 1 {\displaystyle a^{5}z^{11}+a^{3}z^{11}+2a^{6}z^{10}+7a^{4}z^{10}+5a^{2}z^{10}+2a^{7}z^{9}+7a^{5}z^{9}+14a^{3}z^{9}+9az^{9}+a^{8}z^{8}+4a^{6}z^{8}-3a^{4}z^{8}+2a^{2}z^{8}+8z^{8}+a^{7}z^{7}-9a^{5}z^{7}-31a^{3}z^{7}-17az^{7}+4z^{7}a^{-1}+2a^{8}z^{6}-8a^{6}z^{6}-11a^{4}z^{6}-19a^{2}z^{6}+z^{6}a^{-2}-17z^{6}+3a^{9}z^{5}+a^{5}z^{5}+23a^{3}z^{5}+11az^{5}-8z^{5}a^{-1}-5a^{8}z^{4}+5a^{6}z^{4}+12a^{4}z^{4}+15a^{2}z^{4}-2z^{4}a^{-2}+11z^{4}-7a^{9}z^{3}-6a^{7}z^{3}+3a^{5}z^{3}-10a^{3}z^{3}-8az^{3}+4z^{3}a^{-1}+3a^{8}z^{2}+2a^{6}z^{2}-3a^{4}z^{2}-7a^{2}z^{2}+z^{2}a^{-2}-4z^{2}+4a^{9}z+4a^{7}z+a^{5}z+3a^{3}z+2az-2a^{8}-3a^{6}+a^{2}+1}