a 5 z 11 + a 3 z 11 + 4 a 6 z 10 + 6 a 4 z 10 + 2 a 2 z 10 + 7 a 7 z 9 + 9 a 5 z 9 + 3 a 3 z 9 + a z 9 + 7 a 8 z 8 − 11 a 4 z 8 − 4 a 2 z 8 + 4 a 9 z 7 − 12 a 7 z 7 − 25 a 5 z 7 − 8 a 3 z 7 + a z 7 + a 10 z 6 − 15 a 8 z 6 − 11 a 6 z 6 + 13 a 4 z 6 + 12 a 2 z 6 + 4 z 6 − 9 a 9 z 5 + 4 a 7 z 5 + 29 a 5 z 5 + 14 a 3 z 5 − a z 5 + z 5 a − 1 − 2 a 10 z 4 + 7 a 8 z 4 + 5 a 6 z 4 − 10 a 4 z 4 − 14 a 2 z 4 − 8 z 4 + 5 a 9 z 3 − 5 a 7 z 3 − 18 a 5 z 3 − 7 a 3 z 3 − a z 3 − 2 z 3 a − 1 + a 10 z 2 − a 8 z 2 + 9 a 4 z 2 + 10 a 2 z 2 + 3 z 2 + 2 a 7 z + 4 a 5 z + 2 a 3 z − a 6 − 3 a 4 − 3 a 2 {\displaystyle a^{5}z^{11}+a^{3}z^{11}+4a^{6}z^{10}+6a^{4}z^{10}+2a^{2}z^{10}+7a^{7}z^{9}+9a^{5}z^{9}+3a^{3}z^{9}+az^{9}+7a^{8}z^{8}-11a^{4}z^{8}-4a^{2}z^{8}+4a^{9}z^{7}-12a^{7}z^{7}-25a^{5}z^{7}-8a^{3}z^{7}+az^{7}+a^{10}z^{6}-15a^{8}z^{6}-11a^{6}z^{6}+13a^{4}z^{6}+12a^{2}z^{6}+4z^{6}-9a^{9}z^{5}+4a^{7}z^{5}+29a^{5}z^{5}+14a^{3}z^{5}-az^{5}+z^{5}a^{-1}-2a^{10}z^{4}+7a^{8}z^{4}+5a^{6}z^{4}-10a^{4}z^{4}-14a^{2}z^{4}-8z^{4}+5a^{9}z^{3}-5a^{7}z^{3}-18a^{5}z^{3}-7a^{3}z^{3}-az^{3}-2z^{3}a^{-1}+a^{10}z^{2}-a^{8}z^{2}+9a^{4}z^{2}+10a^{2}z^{2}+3z^{2}+2a^{7}z+4a^{5}z+2a^{3}z-a^{6}-3a^{4}-3a^{2}}