2 a 4 z 10 + 2 a 2 z 10 + 5 a 5 z 9 + 11 a 3 z 9 + 6 a z 9 + 4 a 6 z 8 + 5 a 4 z 8 + 8 a 2 z 8 + 7 z 8 + a 7 z 7 − 14 a 5 z 7 − 32 a 3 z 7 − 13 a z 7 + 4 z 7 a − 1 − 8 a 6 z 6 − 25 a 4 z 6 − 38 a 2 z 6 + z 6 a − 2 − 20 z 6 + 5 a 7 z 5 + 30 a 5 z 5 + 40 a 3 z 5 + 5 a z 5 − 10 z 5 a − 1 + 3 a 8 z 4 + 16 a 6 z 4 + 42 a 4 z 4 + 47 a 2 z 4 − 2 z 4 a − 2 + 16 z 4 − 10 a 7 z 3 − 29 a 5 z 3 − 24 a 3 z 3 − a z 3 + 4 z 3 a − 1 − 4 a 8 z 2 − 15 a 6 z 2 − 25 a 4 z 2 − 20 a 2 z 2 − 6 z 2 + 4 a 7 z + 10 a 5 z + 8 a 3 z + 2 a z + a 8 + 3 a 6 + 3 a 4 + a 2 + 1 {\displaystyle 2a^{4}z^{10}+2a^{2}z^{10}+5a^{5}z^{9}+11a^{3}z^{9}+6az^{9}+4a^{6}z^{8}+5a^{4}z^{8}+8a^{2}z^{8}+7z^{8}+a^{7}z^{7}-14a^{5}z^{7}-32a^{3}z^{7}-13az^{7}+4z^{7}a^{-1}-8a^{6}z^{6}-25a^{4}z^{6}-38a^{2}z^{6}+z^{6}a^{-2}-20z^{6}+5a^{7}z^{5}+30a^{5}z^{5}+40a^{3}z^{5}+5az^{5}-10z^{5}a^{-1}+3a^{8}z^{4}+16a^{6}z^{4}+42a^{4}z^{4}+47a^{2}z^{4}-2z^{4}a^{-2}+16z^{4}-10a^{7}z^{3}-29a^{5}z^{3}-24a^{3}z^{3}-az^{3}+4z^{3}a^{-1}-4a^{8}z^{2}-15a^{6}z^{2}-25a^{4}z^{2}-20a^{2}z^{2}-6z^{2}+4a^{7}z+10a^{5}z+8a^{3}z+2az+a^{8}+3a^{6}+3a^{4}+a^{2}+1}
