a 11 z 5 − 2 a 11 z 3 + a 11 z + 3 a 10 z 6 − 4 a 10 z 4 + a 10 z 2 + 6 a 9 z 7 − 12 a 9 z 5 + 12 a 9 z 3 − 8 a 9 z + a 9 z − 1 + 5 a 8 z 8 − 3 a 8 z 6 − 7 a 8 z 4 + 6 a 8 z 2 − a 8 + 2 a 7 z 9 + 8 a 7 z 7 − 21 a 7 z 5 + 17 a 7 z 3 − 7 a 7 z + a 7 z − 1 + 10 a 6 z 8 − 15 a 6 z 6 + 5 a 6 z 4 + a 6 z 2 + 2 a 5 z 9 + 7 a 5 z 7 − 17 a 5 z 5 + 10 a 5 z 3 − a 5 z + 5 a 4 z 8 − 6 a 4 z 6 + 3 a 4 z 4 − 2 a 4 z 2 + 5 a 3 z 7 − 8 a 3 z 5 + 5 a 3 z 3 − 2 a 3 z + 3 a 2 z 6 − 5 a 2 z 4 + 2 a 2 z 2 + a z 5 − 2 a z 3 + a z {\displaystyle a^{11}z^{5}-2a^{11}z^{3}+a^{11}z+3a^{10}z^{6}-4a^{10}z^{4}+a^{10}z^{2}+6a^{9}z^{7}-12a^{9}z^{5}+12a^{9}z^{3}-8a^{9}z+a^{9}z^{-1}+5a^{8}z^{8}-3a^{8}z^{6}-7a^{8}z^{4}+6a^{8}z^{2}-a^{8}+2a^{7}z^{9}+8a^{7}z^{7}-21a^{7}z^{5}+17a^{7}z^{3}-7a^{7}z+a^{7}z^{-1}+10a^{6}z^{8}-15a^{6}z^{6}+5a^{6}z^{4}+a^{6}z^{2}+2a^{5}z^{9}+7a^{5}z^{7}-17a^{5}z^{5}+10a^{5}z^{3}-a^{5}z+5a^{4}z^{8}-6a^{4}z^{6}+3a^{4}z^{4}-2a^{4}z^{2}+5a^{3}z^{7}-8a^{3}z^{5}+5a^{3}z^{3}-2a^{3}z+3a^{2}z^{6}-5a^{2}z^{4}+2a^{2}z^{2}+az^{5}-2az^{3}+az}