a 6 z 12 + a 4 z 12 + 3 a 7 z 11 + 6 a 5 z 11 + 3 a 3 z 11 + 5 a 8 z 10 + 7 a 6 z 10 + 7 a 4 z 10 + 5 a 2 z 10 + 5 a 9 z 9 + 2 a 7 z 9 − 5 a 5 z 9 + 4 a 3 z 9 + 6 a z 9 + 3 a 10 z 8 − 9 a 8 z 8 − 13 a 6 z 8 − 8 a 4 z 8 − 2 a 2 z 8 + 5 z 8 + a 11 z 7 − 14 a 9 z 7 − 16 a 7 z 7 − 3 a 5 z 7 − 15 a 3 z 7 − 10 a z 7 + 3 z 7 a − 1 − 10 a 10 z 6 + a 8 z 6 + 2 a 6 z 6 − 12 a 4 z 6 − 15 a 2 z 6 + z 6 a − 2 − 11 z 6 − 4 a 11 z 5 + 11 a 9 z 5 + 14 a 7 z 5 + 2 a 5 z 5 + 14 a 3 z 5 + 3 a z 5 − 8 z 5 a − 1 + 10 a 10 z 4 − a 8 z 4 + 31 a 4 z 4 + 31 a 2 z 4 − 3 z 4 a − 2 + 8 z 4 + 5 a 11 z 3 − 3 a 9 z 3 − 10 a 7 z 3 + a 5 z 3 + 2 a 3 z 3 + 5 a z 3 + 6 z 3 a − 1 − 3 a 10 z 2 + 4 a 8 z 2 + a 6 z 2 − 20 a 4 z 2 − 21 a 2 z 2 + 2 z 2 a − 2 − 5 z 2 − 2 a 11 z + a 9 z + 3 a 7 z − a 5 z − 3 a 3 z − 4 a z − 2 z a − 1 − 2 a 8 − a 6 + 5 a 4 + 5 a 2 + 2 {\displaystyle a^{6}z^{12}+a^{4}z^{12}+3a^{7}z^{11}+6a^{5}z^{11}+3a^{3}z^{11}+5a^{8}z^{10}+7a^{6}z^{10}+7a^{4}z^{10}+5a^{2}z^{10}+5a^{9}z^{9}+2a^{7}z^{9}-5a^{5}z^{9}+4a^{3}z^{9}+6az^{9}+3a^{10}z^{8}-9a^{8}z^{8}-13a^{6}z^{8}-8a^{4}z^{8}-2a^{2}z^{8}+5z^{8}+a^{11}z^{7}-14a^{9}z^{7}-16a^{7}z^{7}-3a^{5}z^{7}-15a^{3}z^{7}-10az^{7}+3z^{7}a^{-1}-10a^{10}z^{6}+a^{8}z^{6}+2a^{6}z^{6}-12a^{4}z^{6}-15a^{2}z^{6}+z^{6}a^{-2}-11z^{6}-4a^{11}z^{5}+11a^{9}z^{5}+14a^{7}z^{5}+2a^{5}z^{5}+14a^{3}z^{5}+3az^{5}-8z^{5}a^{-1}+10a^{10}z^{4}-a^{8}z^{4}+31a^{4}z^{4}+31a^{2}z^{4}-3z^{4}a^{-2}+8z^{4}+5a^{11}z^{3}-3a^{9}z^{3}-10a^{7}z^{3}+a^{5}z^{3}+2a^{3}z^{3}+5az^{3}+6z^{3}a^{-1}-3a^{10}z^{2}+4a^{8}z^{2}+a^{6}z^{2}-20a^{4}z^{2}-21a^{2}z^{2}+2z^{2}a^{-2}-5z^{2}-2a^{11}z+a^{9}z+3a^{7}z-a^{5}z-3a^{3}z-4az-2za^{-1}-2a^{8}-a^{6}+5a^{4}+5a^{2}+2}
