4 a 4 z 12 + 4 a 2 z 12 + 14 a 5 z 11 + 22 a 3 z 11 + 8 a z 11 + 19 a 6 z 10 + 17 a 4 z 10 + 3 a 2 z 10 + 5 z 10 + 13 a 7 z 9 − 42 a 5 z 9 − 89 a 3 z 9 − 33 a z 9 + z 9 a − 1 + 5 a 8 z 8 − 74 a 6 z 8 − 134 a 4 z 8 − 78 a 2 z 8 − 23 z 8 + a 9 z 7 − 40 a 7 z 7 + 10 a 5 z 7 + 89 a 3 z 7 + 34 a z 7 − 4 z 7 a − 1 − 4 a 8 z 6 + 102 a 6 z 6 + 222 a 4 z 6 + 152 a 2 z 6 + 36 z 6 + 6 a 9 z 5 + 43 a 7 z 5 + 38 a 5 z 5 + 5 a z 5 + 6 z 5 a − 1 + 4 a 10 z 4 − 6 a 8 z 4 − 82 a 6 z 4 − 155 a 4 z 4 − 106 a 2 z 4 − 23 z 4 + a 11 z 3 − 7 a 9 z 3 − 28 a 7 z 3 − 31 a 5 z 3 − 24 a 3 z 3 − 17 a z 3 − 4 z 3 a − 1 − a 10 z 2 + 6 a 8 z 2 + 34 a 6 z 2 + 56 a 4 z 2 + 35 a 2 z 2 + 6 z 2 + 3 a 9 z + 6 a 7 z + 7 a 5 z + 7 a 3 z + 4 a z + z a − 1 − 2 a 8 − 6 a 6 − 8 a 4 − 6 a 2 − 1 {\displaystyle 4a^{4}z^{12}+4a^{2}z^{12}+14a^{5}z^{11}+22a^{3}z^{11}+8az^{11}+19a^{6}z^{10}+17a^{4}z^{10}+3a^{2}z^{10}+5z^{10}+13a^{7}z^{9}-42a^{5}z^{9}-89a^{3}z^{9}-33az^{9}+z^{9}a^{-1}+5a^{8}z^{8}-74a^{6}z^{8}-134a^{4}z^{8}-78a^{2}z^{8}-23z^{8}+a^{9}z^{7}-40a^{7}z^{7}+10a^{5}z^{7}+89a^{3}z^{7}+34az^{7}-4z^{7}a^{-1}-4a^{8}z^{6}+102a^{6}z^{6}+222a^{4}z^{6}+152a^{2}z^{6}+36z^{6}+6a^{9}z^{5}+43a^{7}z^{5}+38a^{5}z^{5}+5az^{5}+6z^{5}a^{-1}+4a^{10}z^{4}-6a^{8}z^{4}-82a^{6}z^{4}-155a^{4}z^{4}-106a^{2}z^{4}-23z^{4}+a^{11}z^{3}-7a^{9}z^{3}-28a^{7}z^{3}-31a^{5}z^{3}-24a^{3}z^{3}-17az^{3}-4z^{3}a^{-1}-a^{10}z^{2}+6a^{8}z^{2}+34a^{6}z^{2}+56a^{4}z^{2}+35a^{2}z^{2}+6z^{2}+3a^{9}z+6a^{7}z+7a^{5}z+7a^{3}z+4az+za^{-1}-2a^{8}-6a^{6}-8a^{4}-6a^{2}-1}
