2 a 5 z 11 + 2 a 3 z 11 + 7 a 6 z 10 + 15 a 4 z 10 + 8 a 2 z 10 + 10 a 7 z 9 + 24 a 5 z 9 + 27 a 3 z 9 + 13 a z 9 + 8 a 8 z 8 + 5 a 6 z 8 − 5 a 4 z 8 + 9 a 2 z 8 + 11 z 8 + 4 a 9 z 7 − 15 a 7 z 7 − 61 a 5 z 7 − 66 a 3 z 7 − 19 a z 7 + 5 z 7 a − 1 + a 10 z 6 − 15 a 8 z 6 − 35 a 6 z 6 − 49 a 4 z 6 − 52 a 2 z 6 + z 6 a − 2 − 21 z 6 − 8 a 9 z 5 + 7 a 7 z 5 + 55 a 5 z 5 + 50 a 3 z 5 + 2 a z 5 − 8 z 5 a − 1 − 2 a 10 z 4 + 10 a 8 z 4 + 40 a 6 z 4 + 64 a 4 z 4 + 50 a 2 z 4 − z 4 a − 2 + 13 z 4 + 5 a 9 z 3 − 2 a 7 z 3 − 23 a 5 z 3 − 17 a 3 z 3 + 2 a z 3 + 3 z 3 a − 1 + a 10 z 2 − 4 a 8 z 2 − 19 a 6 z 2 − 26 a 4 z 2 − 16 a 2 z 2 − 4 z 2 − a 9 z + 5 a 5 z + 5 a 3 z + a z + a 8 + 3 a 6 + 2 a 4 − a 2 {\displaystyle 2a^{5}z^{11}+2a^{3}z^{11}+7a^{6}z^{10}+15a^{4}z^{10}+8a^{2}z^{10}+10a^{7}z^{9}+24a^{5}z^{9}+27a^{3}z^{9}+13az^{9}+8a^{8}z^{8}+5a^{6}z^{8}-5a^{4}z^{8}+9a^{2}z^{8}+11z^{8}+4a^{9}z^{7}-15a^{7}z^{7}-61a^{5}z^{7}-66a^{3}z^{7}-19az^{7}+5z^{7}a^{-1}+a^{10}z^{6}-15a^{8}z^{6}-35a^{6}z^{6}-49a^{4}z^{6}-52a^{2}z^{6}+z^{6}a^{-2}-21z^{6}-8a^{9}z^{5}+7a^{7}z^{5}+55a^{5}z^{5}+50a^{3}z^{5}+2az^{5}-8z^{5}a^{-1}-2a^{10}z^{4}+10a^{8}z^{4}+40a^{6}z^{4}+64a^{4}z^{4}+50a^{2}z^{4}-z^{4}a^{-2}+13z^{4}+5a^{9}z^{3}-2a^{7}z^{3}-23a^{5}z^{3}-17a^{3}z^{3}+2az^{3}+3z^{3}a^{-1}+a^{10}z^{2}-4a^{8}z^{2}-19a^{6}z^{2}-26a^{4}z^{2}-16a^{2}z^{2}-4z^{2}-a^{9}z+5a^{5}z+5a^{3}z+az+a^{8}+3a^{6}+2a^{4}-a^{2}}