a 5 z 11 + a 3 z 11 + 3 a 6 z 10 + 5 a 4 z 10 + 2 a 2 z 10 + 3 a 7 z 9 + 3 a 5 z 9 + 2 a 3 z 9 + 2 a z 9 + a 8 z 8 − 11 a 6 z 8 − 14 a 4 z 8 − a 2 z 8 + z 8 − 15 a 7 z 7 − 24 a 5 z 7 − 12 a 3 z 7 − 3 a z 7 − 5 a 8 z 6 + 7 a 6 z 6 − 14 a 2 z 6 − 2 z 6 + 24 a 7 z 5 + 28 a 5 z 5 + 2 a 3 z 5 − a z 5 + z 5 a − 1 + 8 a 8 z 4 + 5 a 6 z 4 + 12 a 4 z 4 + 23 a 2 z 4 + 8 z 4 − 13 a 7 z 3 − 7 a 5 z 3 + 6 a 3 z 3 + 3 a z 3 + 3 z 3 a − 1 − 4 a 8 z 2 − 2 a 6 z 2 − 6 a 4 z 2 − 18 a 2 z 2 + 2 z 2 a − 2 − 8 z 2 + a 7 z − 2 a 3 z − 2 a z − z a − 1 + 2 a 4 + 4 a 2 + 3 {\displaystyle a^{5}z^{11}+a^{3}z^{11}+3a^{6}z^{10}+5a^{4}z^{10}+2a^{2}z^{10}+3a^{7}z^{9}+3a^{5}z^{9}+2a^{3}z^{9}+2az^{9}+a^{8}z^{8}-11a^{6}z^{8}-14a^{4}z^{8}-a^{2}z^{8}+z^{8}-15a^{7}z^{7}-24a^{5}z^{7}-12a^{3}z^{7}-3az^{7}-5a^{8}z^{6}+7a^{6}z^{6}-14a^{2}z^{6}-2z^{6}+24a^{7}z^{5}+28a^{5}z^{5}+2a^{3}z^{5}-az^{5}+z^{5}a^{-1}+8a^{8}z^{4}+5a^{6}z^{4}+12a^{4}z^{4}+23a^{2}z^{4}+8z^{4}-13a^{7}z^{3}-7a^{5}z^{3}+6a^{3}z^{3}+3az^{3}+3z^{3}a^{-1}-4a^{8}z^{2}-2a^{6}z^{2}-6a^{4}z^{2}-18a^{2}z^{2}+2z^{2}a^{-2}-8z^{2}+a^{7}z-2a^{3}z-2az-za^{-1}+2a^{4}+4a^{2}+3}
