2 a 5 z 11 + 2 a 3 z 11 + 8 a 6 z 10 + 16 a 4 z 10 + 8 a 2 z 10 + 13 a 7 z 9 + 30 a 5 z 9 + 30 a 3 z 9 + 13 a z 9 + 11 a 8 z 8 + 13 a 6 z 8 + 3 a 4 z 8 + 12 a 2 z 8 + 11 z 8 + 5 a 9 z 7 − 16 a 7 z 7 − 63 a 5 z 7 − 65 a 3 z 7 − 18 a z 7 + 5 z 7 a − 1 + a 10 z 6 − 20 a 8 z 6 − 55 a 6 z 6 − 66 a 4 z 6 − 54 a 2 z 6 + z 6 a − 2 − 21 z 6 − 8 a 9 z 5 − 2 a 7 z 5 + 32 a 5 z 5 + 37 a 3 z 5 + 3 a z 5 − 8 z 5 a − 1 − a 10 z 4 + 13 a 8 z 4 + 46 a 6 z 4 + 64 a 4 z 4 + 47 a 2 z 4 − z 4 a − 2 + 14 z 4 + 4 a 9 z 3 + 7 a 7 z 3 − a 5 z 3 − 4 a 3 z 3 + 3 a z 3 + 3 z 3 a − 1 − 3 a 8 z 2 − 14 a 6 z 2 − 19 a 4 z 2 − 11 a 2 z 2 − 3 z 2 − 2 a 7 z − 2 a 5 z + a 6 + a 4 − a 2 {\displaystyle 2a^{5}z^{11}+2a^{3}z^{11}+8a^{6}z^{10}+16a^{4}z^{10}+8a^{2}z^{10}+13a^{7}z^{9}+30a^{5}z^{9}+30a^{3}z^{9}+13az^{9}+11a^{8}z^{8}+13a^{6}z^{8}+3a^{4}z^{8}+12a^{2}z^{8}+11z^{8}+5a^{9}z^{7}-16a^{7}z^{7}-63a^{5}z^{7}-65a^{3}z^{7}-18az^{7}+5z^{7}a^{-1}+a^{10}z^{6}-20a^{8}z^{6}-55a^{6}z^{6}-66a^{4}z^{6}-54a^{2}z^{6}+z^{6}a^{-2}-21z^{6}-8a^{9}z^{5}-2a^{7}z^{5}+32a^{5}z^{5}+37a^{3}z^{5}+3az^{5}-8z^{5}a^{-1}-a^{10}z^{4}+13a^{8}z^{4}+46a^{6}z^{4}+64a^{4}z^{4}+47a^{2}z^{4}-z^{4}a^{-2}+14z^{4}+4a^{9}z^{3}+7a^{7}z^{3}-a^{5}z^{3}-4a^{3}z^{3}+3az^{3}+3z^{3}a^{-1}-3a^{8}z^{2}-14a^{6}z^{2}-19a^{4}z^{2}-11a^{2}z^{2}-3z^{2}-2a^{7}z-2a^{5}z+a^{6}+a^{4}-a^{2}}