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