2 a 5 z 11 + 2 a 3 z 11 + 4 a 6 z 10 + 7 a 4 z 10 + 3 a 2 z 10 + 3 a 7 z 9 − 7 a 5 z 9 − 9 a 3 z 9 + a z 9 + a 8 z 8 − 22 a 6 z 8 − 42 a 4 z 8 − 19 a 2 z 8 − 16 a 7 z 7 − 7 a 5 z 7 + 3 a 3 z 7 − 6 a z 7 − 5 a 8 z 6 + 33 a 6 z 6 + 73 a 4 z 6 + 35 a 2 z 6 + 23 a 7 z 5 + 29 a 5 z 5 + 13 a 3 z 5 + 7 a z 5 + 6 a 8 z 4 − 18 a 6 z 4 − 49 a 4 z 4 − 28 a 2 z 4 − 3 z 4 − 12 a 7 z 3 − 18 a 5 z 3 − 9 a 3 z 3 − 4 a z 3 − z 3 a − 1 − 2 a 8 z 2 + 5 a 6 z 2 + 15 a 4 z 2 + 9 a 2 z 2 + z 2 + 2 a 7 z + 3 a 5 z + a 3 z − a 6 − 2 a 4 − a 2 + 1 {\displaystyle 2a^{5}z^{11}+2a^{3}z^{11}+4a^{6}z^{10}+7a^{4}z^{10}+3a^{2}z^{10}+3a^{7}z^{9}-7a^{5}z^{9}-9a^{3}z^{9}+az^{9}+a^{8}z^{8}-22a^{6}z^{8}-42a^{4}z^{8}-19a^{2}z^{8}-16a^{7}z^{7}-7a^{5}z^{7}+3a^{3}z^{7}-6az^{7}-5a^{8}z^{6}+33a^{6}z^{6}+73a^{4}z^{6}+35a^{2}z^{6}+23a^{7}z^{5}+29a^{5}z^{5}+13a^{3}z^{5}+7az^{5}+6a^{8}z^{4}-18a^{6}z^{4}-49a^{4}z^{4}-28a^{2}z^{4}-3z^{4}-12a^{7}z^{3}-18a^{5}z^{3}-9a^{3}z^{3}-4az^{3}-z^{3}a^{-1}-2a^{8}z^{2}+5a^{6}z^{2}+15a^{4}z^{2}+9a^{2}z^{2}+z^{2}+2a^{7}z+3a^{5}z+a^{3}z-a^{6}-2a^{4}-a^{2}+1}
