a 13 z 5 − 2 a 13 z 3 + a 13 z + 3 a 12 z 6 − 5 a 12 z 4 + a 12 z 2 + 5 a 11 z 7 − 8 a 11 z 5 + 4 a 11 z 3 − 4 a 11 z + a 11 z − 1 + 6 a 10 z 8 − 11 a 10 z 6 + 11 a 10 z 4 − 10 a 10 z 2 − a 10 z − 2 + 5 a 10 + 4 a 9 z 9 − 18 a 9 z 5 + 33 a 9 z 3 − 21 a 9 z + 5 a 9 z − 1 + a 8 z 10 + 13 a 8 z 8 − 48 a 8 z 6 + 72 a 8 z 4 − 48 a 8 z 2 − 4 a 8 z − 2 + 18 a 8 + 8 a 7 z 9 − 14 a 7 z 7 − 6 a 7 z 5 + 36 a 7 z 3 − 29 a 7 z + 9 a 7 z − 1 + a 6 z 10 + 12 a 6 z 8 − 50 a 6 z 6 + 77 a 6 z 4 − 57 a 6 z 2 − 5 a 6 z − 2 + 21 a 6 + 4 a 5 z 9 − 6 a 5 z 7 − 5 a 5 z 5 + 13 a 5 z 3 − 13 a 5 z + 5 a 5 z − 1 + 5 a 4 z 8 − 15 a 4 z 6 + 18 a 4 z 4 − 18 a 4 z 2 − 2 a 4 z − 2 + 9 a 4 + 3 a 3 z 7 − 8 a 3 z 5 + 4 a 3 z 3 + a 2 z 6 − 3 a 2 z 4 + 2 a 2 z 2 {\displaystyle a^{13}z^{5}-2a^{13}z^{3}+a^{13}z+3a^{12}z^{6}-5a^{12}z^{4}+a^{12}z^{2}+5a^{11}z^{7}-8a^{11}z^{5}+4a^{11}z^{3}-4a^{11}z+a^{11}z^{-1}+6a^{10}z^{8}-11a^{10}z^{6}+11a^{10}z^{4}-10a^{10}z^{2}-a^{10}z^{-2}+5a^{10}+4a^{9}z^{9}-18a^{9}z^{5}+33a^{9}z^{3}-21a^{9}z+5a^{9}z^{-1}+a^{8}z^{10}+13a^{8}z^{8}-48a^{8}z^{6}+72a^{8}z^{4}-48a^{8}z^{2}-4a^{8}z^{-2}+18a^{8}+8a^{7}z^{9}-14a^{7}z^{7}-6a^{7}z^{5}+36a^{7}z^{3}-29a^{7}z+9a^{7}z^{-1}+a^{6}z^{10}+12a^{6}z^{8}-50a^{6}z^{6}+77a^{6}z^{4}-57a^{6}z^{2}-5a^{6}z^{-2}+21a^{6}+4a^{5}z^{9}-6a^{5}z^{7}-5a^{5}z^{5}+13a^{5}z^{3}-13a^{5}z+5a^{5}z^{-1}+5a^{4}z^{8}-15a^{4}z^{6}+18a^{4}z^{4}-18a^{4}z^{2}-2a^{4}z^{-2}+9a^{4}+3a^{3}z^{7}-8a^{3}z^{5}+4a^{3}z^{3}+a^{2}z^{6}-3a^{2}z^{4}+2a^{2}z^{2}}
