2 a 6 z 12 + 2 a 4 z 12 + 6 a 7 z 11 + 11 a 5 z 11 + 5 a 3 z 11 + 8 a 8 z 10 + 10 a 6 z 10 + 6 a 4 z 10 + 4 a 2 z 10 + 6 a 9 z 9 − 8 a 7 z 9 − 25 a 5 z 9 − 10 a 3 z 9 + a z 9 + 3 a 10 z 8 − 22 a 8 z 8 − 37 a 6 z 8 − 16 a 4 z 8 − 4 a 2 z 8 + a 11 z 7 − 17 a 9 z 7 − 6 a 7 z 7 + 29 a 5 z 7 + 24 a 3 z 7 + 7 a z 7 − 9 a 10 z 6 + 26 a 8 z 6 + 45 a 6 z 6 + 14 a 4 z 6 + 9 a 2 z 6 + 5 z 6 − 4 a 11 z 5 + 16 a 9 z 5 + 15 a 7 z 5 − 24 a 5 z 5 − 29 a 3 z 5 − 9 a z 5 + z 5 a − 1 + 7 a 10 z 4 − 24 a 8 z 4 − 29 a 6 z 4 + 2 a 4 z 4 − 6 a 2 z 4 − 6 z 4 + 5 a 11 z 3 − 9 a 9 z 3 − 17 a 7 z 3 + 13 a 5 z 3 + 20 a 3 z 3 + 3 a z 3 − z 3 a − 1 − a 10 z 2 + 10 a 8 z 2 + 7 a 6 z 2 − 6 a 4 z 2 − a 2 z 2 + z 2 − 2 a 11 z + 3 a 9 z + 5 a 7 z − 3 a 5 z − 5 a 3 z − 2 a z − 2 a 8 − a 6 + 3 a 4 + a 2 {\displaystyle 2a^{6}z^{12}+2a^{4}z^{12}+6a^{7}z^{11}+11a^{5}z^{11}+5a^{3}z^{11}+8a^{8}z^{10}+10a^{6}z^{10}+6a^{4}z^{10}+4a^{2}z^{10}+6a^{9}z^{9}-8a^{7}z^{9}-25a^{5}z^{9}-10a^{3}z^{9}+az^{9}+3a^{10}z^{8}-22a^{8}z^{8}-37a^{6}z^{8}-16a^{4}z^{8}-4a^{2}z^{8}+a^{11}z^{7}-17a^{9}z^{7}-6a^{7}z^{7}+29a^{5}z^{7}+24a^{3}z^{7}+7az^{7}-9a^{10}z^{6}+26a^{8}z^{6}+45a^{6}z^{6}+14a^{4}z^{6}+9a^{2}z^{6}+5z^{6}-4a^{11}z^{5}+16a^{9}z^{5}+15a^{7}z^{5}-24a^{5}z^{5}-29a^{3}z^{5}-9az^{5}+z^{5}a^{-1}+7a^{10}z^{4}-24a^{8}z^{4}-29a^{6}z^{4}+2a^{4}z^{4}-6a^{2}z^{4}-6z^{4}+5a^{11}z^{3}-9a^{9}z^{3}-17a^{7}z^{3}+13a^{5}z^{3}+20a^{3}z^{3}+3az^{3}-z^{3}a^{-1}-a^{10}z^{2}+10a^{8}z^{2}+7a^{6}z^{2}-6a^{4}z^{2}-a^{2}z^{2}+z^{2}-2a^{11}z+3a^{9}z+5a^{7}z-3a^{5}z-5a^{3}z-2az-2a^{8}-a^{6}+3a^{4}+a^{2}}