2 a 6 z 12 + 2 a 4 z 12 + 8 a 7 z 11 + 13 a 5 z 11 + 5 a 3 z 11 + 13 a 8 z 10 + 23 a 6 z 10 + 14 a 4 z 10 + 4 a 2 z 10 + 11 a 9 z 9 + 4 a 7 z 9 − 6 a 5 z 9 + 2 a 3 z 9 + a z 9 + 5 a 10 z 8 − 26 a 8 z 8 − 59 a 6 z 8 − 22 a 4 z 8 + 6 a 2 z 8 + a 11 z 7 − 28 a 9 z 7 − 50 a 7 z 7 − 32 a 5 z 7 + a 3 z 7 + 12 a z 7 − 12 a 10 z 6 + 8 a 8 z 6 + 37 a 6 z 6 + 6 a 4 z 6 − 5 a 2 z 6 + 6 z 6 − 2 a 11 z 5 + 22 a 9 z 5 + 51 a 7 z 5 + 32 a 5 z 5 − 7 a 3 z 5 − 11 a z 5 + z 5 a − 1 + 8 a 10 z 4 + 3 a 8 z 4 − 7 a 6 z 4 − 2 a 4 z 4 − 3 a 2 z 4 − 3 z 4 + a 11 z 3 − 7 a 9 z 3 − 16 a 7 z 3 − 8 a 5 z 3 − a 10 z 2 + a 4 z 2 + 2 a 2 z 2 + a 9 z − a 7 z − 2 a 5 z + 2 a 6 + 3 a 4 {\displaystyle 2a^{6}z^{12}+2a^{4}z^{12}+8a^{7}z^{11}+13a^{5}z^{11}+5a^{3}z^{11}+13a^{8}z^{10}+23a^{6}z^{10}+14a^{4}z^{10}+4a^{2}z^{10}+11a^{9}z^{9}+4a^{7}z^{9}-6a^{5}z^{9}+2a^{3}z^{9}+az^{9}+5a^{10}z^{8}-26a^{8}z^{8}-59a^{6}z^{8}-22a^{4}z^{8}+6a^{2}z^{8}+a^{11}z^{7}-28a^{9}z^{7}-50a^{7}z^{7}-32a^{5}z^{7}+a^{3}z^{7}+12az^{7}-12a^{10}z^{6}+8a^{8}z^{6}+37a^{6}z^{6}+6a^{4}z^{6}-5a^{2}z^{6}+6z^{6}-2a^{11}z^{5}+22a^{9}z^{5}+51a^{7}z^{5}+32a^{5}z^{5}-7a^{3}z^{5}-11az^{5}+z^{5}a^{-1}+8a^{10}z^{4}+3a^{8}z^{4}-7a^{6}z^{4}-2a^{4}z^{4}-3a^{2}z^{4}-3z^{4}+a^{11}z^{3}-7a^{9}z^{3}-16a^{7}z^{3}-8a^{5}z^{3}-a^{10}z^{2}+a^{4}z^{2}+2a^{2}z^{2}+a^{9}z-a^{7}z-2a^{5}z+2a^{6}+3a^{4}}
