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