2 a 4 z 10 + 2 a 2 z 10 + 5 a 5 z 9 + 11 a 3 z 9 + 6 a z 9 + 6 a 6 z 8 + 7 a 4 z 8 + 8 a 2 z 8 + 7 z 8 + 5 a 7 z 7 − 6 a 5 z 7 − 28 a 3 z 7 − 13 a z 7 + 4 z 7 a − 1 + 3 a 8 z 6 − 9 a 6 z 6 − 26 a 4 z 6 − 35 a 2 z 6 + z 6 a − 2 − 20 z 6 + a 9 z 5 − 7 a 7 z 5 + 5 a 5 z 5 + 29 a 3 z 5 + 6 a z 5 − 10 z 5 a − 1 − 5 a 8 z 4 + 8 a 6 z 4 + 36 a 4 z 4 + 41 a 2 z 4 − 2 z 4 a − 2 + 16 z 4 − 2 a 9 z 3 + 2 a 7 z 3 − 3 a 5 z 3 − 12 a 3 z 3 − a z 3 + 4 z 3 a − 1 + 2 a 8 z 2 − 7 a 6 z 2 − 21 a 4 z 2 − 17 a 2 z 2 − 5 z 2 + a 9 z + 2 a 3 z + a z + 2 a 6 + 4 a 4 + 2 a 2 + 1 {\displaystyle 2a^{4}z^{10}+2a^{2}z^{10}+5a^{5}z^{9}+11a^{3}z^{9}+6az^{9}+6a^{6}z^{8}+7a^{4}z^{8}+8a^{2}z^{8}+7z^{8}+5a^{7}z^{7}-6a^{5}z^{7}-28a^{3}z^{7}-13az^{7}+4z^{7}a^{-1}+3a^{8}z^{6}-9a^{6}z^{6}-26a^{4}z^{6}-35a^{2}z^{6}+z^{6}a^{-2}-20z^{6}+a^{9}z^{5}-7a^{7}z^{5}+5a^{5}z^{5}+29a^{3}z^{5}+6az^{5}-10z^{5}a^{-1}-5a^{8}z^{4}+8a^{6}z^{4}+36a^{4}z^{4}+41a^{2}z^{4}-2z^{4}a^{-2}+16z^{4}-2a^{9}z^{3}+2a^{7}z^{3}-3a^{5}z^{3}-12a^{3}z^{3}-az^{3}+4z^{3}a^{-1}+2a^{8}z^{2}-7a^{6}z^{2}-21a^{4}z^{2}-17a^{2}z^{2}-5z^{2}+a^{9}z+2a^{3}z+az+2a^{6}+4a^{4}+2a^{2}+1}
