2 a 5 z 11 + 2 a 3 z 11 + 8 a 6 z 10 + 13 a 4 z 10 + 5 a 2 z 10 + 13 a 7 z 9 + 23 a 5 z 9 + 14 a 3 z 9 + 4 a z 9 + 11 a 8 z 8 + 8 a 6 z 8 − 3 a 4 z 8 + a 2 z 8 + z 8 + 5 a 9 z 7 − 17 a 7 z 7 − 43 a 5 z 7 − 18 a 3 z 7 + 3 a z 7 + a 10 z 6 − 20 a 8 z 6 − 42 a 6 z 6 − 28 a 4 z 6 + a 2 z 6 + 8 z 6 − 8 a 9 z 5 − 3 a 7 z 5 + 8 a 5 z 5 − 8 a 3 z 5 − 8 a z 5 + 3 z 5 a − 1 − a 10 z 4 + 12 a 8 z 4 + 31 a 6 z 4 + 19 a 4 z 4 − 12 a 2 z 4 − 13 z 4 + 4 a 9 z 3 + 9 a 7 z 3 + 12 a 5 z 3 + 15 a 3 z 3 + 5 a z 3 − 3 z 3 a − 1 − 2 a 8 z 2 − 9 a 6 z 2 − 4 a 4 z 2 + 8 a 2 z 2 + 5 z 2 − 3 a 7 z − 5 a 5 z − 3 a 3 z − a z + a 6 + a 4 − a 2 {\displaystyle 2a^{5}z^{11}+2a^{3}z^{11}+8a^{6}z^{10}+13a^{4}z^{10}+5a^{2}z^{10}+13a^{7}z^{9}+23a^{5}z^{9}+14a^{3}z^{9}+4az^{9}+11a^{8}z^{8}+8a^{6}z^{8}-3a^{4}z^{8}+a^{2}z^{8}+z^{8}+5a^{9}z^{7}-17a^{7}z^{7}-43a^{5}z^{7}-18a^{3}z^{7}+3az^{7}+a^{10}z^{6}-20a^{8}z^{6}-42a^{6}z^{6}-28a^{4}z^{6}+a^{2}z^{6}+8z^{6}-8a^{9}z^{5}-3a^{7}z^{5}+8a^{5}z^{5}-8a^{3}z^{5}-8az^{5}+3z^{5}a^{-1}-a^{10}z^{4}+12a^{8}z^{4}+31a^{6}z^{4}+19a^{4}z^{4}-12a^{2}z^{4}-13z^{4}+4a^{9}z^{3}+9a^{7}z^{3}+12a^{5}z^{3}+15a^{3}z^{3}+5az^{3}-3z^{3}a^{-1}-2a^{8}z^{2}-9a^{6}z^{2}-4a^{4}z^{2}+8a^{2}z^{2}+5z^{2}-3a^{7}z-5a^{5}z-3a^{3}z-az+a^{6}+a^{4}-a^{2}}