3 a 4 z 10 + 3 a 2 z 10 + 8 a 5 z 9 + 17 a 3 z 9 + 9 a z 9 + 6 a 6 z 8 + 12 a 4 z 8 + 16 a 2 z 8 + 10 z 8 + a 7 z 7 − 19 a 5 z 7 − 37 a 3 z 7 − 12 a z 7 + 5 z 7 a − 1 − 12 a 6 z 6 − 46 a 4 z 6 − 57 a 2 z 6 + z 6 a − 2 − 22 z 6 + 7 a 7 z 5 + 33 a 5 z 5 + 27 a 3 z 5 − 8 a z 5 − 9 z 5 a − 1 + 3 a 8 z 4 + 24 a 6 z 4 + 59 a 4 z 4 + 51 a 2 z 4 − z 4 a − 2 + 12 z 4 − 10 a 7 z 3 − 25 a 5 z 3 − 12 a 3 z 3 + 6 a z 3 + 3 z 3 a − 1 − 4 a 8 z 2 − 18 a 6 z 2 − 27 a 4 z 2 − 16 a 2 z 2 − 3 z 2 + 3 a 7 z + 8 a 5 z + 6 a 3 z + a z + a 8 + 3 a 6 + 2 a 4 − a 2 {\displaystyle 3a^{4}z^{10}+3a^{2}z^{10}+8a^{5}z^{9}+17a^{3}z^{9}+9az^{9}+6a^{6}z^{8}+12a^{4}z^{8}+16a^{2}z^{8}+10z^{8}+a^{7}z^{7}-19a^{5}z^{7}-37a^{3}z^{7}-12az^{7}+5z^{7}a^{-1}-12a^{6}z^{6}-46a^{4}z^{6}-57a^{2}z^{6}+z^{6}a^{-2}-22z^{6}+7a^{7}z^{5}+33a^{5}z^{5}+27a^{3}z^{5}-8az^{5}-9z^{5}a^{-1}+3a^{8}z^{4}+24a^{6}z^{4}+59a^{4}z^{4}+51a^{2}z^{4}-z^{4}a^{-2}+12z^{4}-10a^{7}z^{3}-25a^{5}z^{3}-12a^{3}z^{3}+6az^{3}+3z^{3}a^{-1}-4a^{8}z^{2}-18a^{6}z^{2}-27a^{4}z^{2}-16a^{2}z^{2}-3z^{2}+3a^{7}z+8a^{5}z+6a^{3}z+az+a^{8}+3a^{6}+2a^{4}-a^{2}}
