a 6 z 12 + a 4 z 12 + 3 a 7 z 11 + 6 a 5 z 11 + 3 a 3 z 11 + 4 a 8 z 10 + 5 a 6 z 10 + 5 a 4 z 10 + 4 a 2 z 10 + 3 a 9 z 9 − 6 a 7 z 9 − 15 a 5 z 9 − 3 a 3 z 9 + 3 a z 9 + 2 a 10 z 8 − 13 a 8 z 8 − 20 a 6 z 8 − 12 a 4 z 8 − 6 a 2 z 8 + z 8 + a 11 z 7 − 8 a 9 z 7 + 7 a 7 z 7 + 26 a 5 z 7 + 8 a 3 z 7 − 2 a z 7 − 7 a 10 z 6 + 23 a 8 z 6 + 36 a 6 z 6 + 12 a 4 z 6 + 10 a 2 z 6 + 4 z 6 − 5 a 11 z 5 + 4 a 9 z 5 − 4 a 7 z 5 − 27 a 5 z 5 − 16 a 3 z 5 + a z 5 + 3 z 5 a − 1 + 6 a 10 z 4 − 29 a 8 z 4 − 32 a 6 z 4 + 3 a 4 z 4 − 11 a 2 z 4 − 11 z 4 + 8 a 11 z 3 + a 9 z 3 − 7 a 7 z 3 + 16 a 5 z 3 + 18 a 3 z 3 − 4 a z 3 − 6 z 3 a − 1 + 15 a 8 z 2 + 7 a 6 z 2 − 9 a 4 z 2 + 5 a 2 z 2 + 6 z 2 − 4 a 11 z + 3 a 7 z − 5 a 5 z − 5 a 3 z + a z + 2 z a − 1 − 2 a 8 + 4 a 4 − 1 {\displaystyle a^{6}z^{12}+a^{4}z^{12}+3a^{7}z^{11}+6a^{5}z^{11}+3a^{3}z^{11}+4a^{8}z^{10}+5a^{6}z^{10}+5a^{4}z^{10}+4a^{2}z^{10}+3a^{9}z^{9}-6a^{7}z^{9}-15a^{5}z^{9}-3a^{3}z^{9}+3az^{9}+2a^{10}z^{8}-13a^{8}z^{8}-20a^{6}z^{8}-12a^{4}z^{8}-6a^{2}z^{8}+z^{8}+a^{11}z^{7}-8a^{9}z^{7}+7a^{7}z^{7}+26a^{5}z^{7}+8a^{3}z^{7}-2az^{7}-7a^{10}z^{6}+23a^{8}z^{6}+36a^{6}z^{6}+12a^{4}z^{6}+10a^{2}z^{6}+4z^{6}-5a^{11}z^{5}+4a^{9}z^{5}-4a^{7}z^{5}-27a^{5}z^{5}-16a^{3}z^{5}+az^{5}+3z^{5}a^{-1}+6a^{10}z^{4}-29a^{8}z^{4}-32a^{6}z^{4}+3a^{4}z^{4}-11a^{2}z^{4}-11z^{4}+8a^{11}z^{3}+a^{9}z^{3}-7a^{7}z^{3}+16a^{5}z^{3}+18a^{3}z^{3}-4az^{3}-6z^{3}a^{-1}+15a^{8}z^{2}+7a^{6}z^{2}-9a^{4}z^{2}+5a^{2}z^{2}+6z^{2}-4a^{11}z+3a^{7}z-5a^{5}z-5a^{3}z+az+2za^{-1}-2a^{8}+4a^{4}-1}
