8 a 7 z 13 + 8 a 5 z 13 + 22 a 8 z 12 + 52 a 6 z 12 + 30 a 4 z 12 + 25 a 9 z 11 + 49 a 7 z 11 + 73 a 5 z 11 + 49 a 3 z 11 + 16 a 10 z 10 − 28 a 8 z 10 − 99 a 6 z 10 − 6 a 4 z 10 + 49 a 2 z 10 + 6 a 11 z 9 − 64 a 9 z 9 − 205 a 7 z 9 − 256 a 5 z 9 − 86 a 3 z 9 + 35 a z 9 + a 12 z 8 − 43 a 10 z 8 − 56 a 8 z 8 − 29 a 6 z 8 − 120 a 4 z 8 − 85 a 2 z 8 + 18 z 8 − 15 a 11 z 7 + 44 a 9 z 7 + 234 a 7 z 7 + 275 a 5 z 7 + 45 a 3 z 7 − 49 a z 7 + 6 z 7 a − 1 − 2 a 12 z 6 + 36 a 10 z 6 + 109 a 8 z 6 + 159 a 6 z 6 + 157 a 4 z 6 + 50 a 2 z 6 + z 6 a − 2 − 18 z 6 + 11 a 11 z 5 − 7 a 9 z 5 − 98 a 7 z 5 − 113 a 5 z 5 − 11 a 3 z 5 + 19 a z 5 − 3 z 5 a − 1 + a 12 z 4 − 15 a 10 z 4 − 66 a 8 z 4 − 102 a 6 z 4 − 72 a 4 z 4 − 16 a 2 z 4 + 4 z 4 − 3 a 11 z 3 − 5 a 9 z 3 + 7 a 7 z 3 + 14 a 5 z 3 + 3 a 3 z 3 − 2 a z 3 + 3 a 10 z 2 + 16 a 8 z 2 + 21 a 6 z 2 + 12 a 4 z 2 + 4 a 2 z 2 + 3 a 9 z + 3 a 7 z − a 8 − a 6 − a 2 {\displaystyle 8a^{7}z^{13}+8a^{5}z^{13}+22a^{8}z^{12}+52a^{6}z^{12}+30a^{4}z^{12}+25a^{9}z^{11}+49a^{7}z^{11}+73a^{5}z^{11}+49a^{3}z^{11}+16a^{10}z^{10}-28a^{8}z^{10}-99a^{6}z^{10}-6a^{4}z^{10}+49a^{2}z^{10}+6a^{11}z^{9}-64a^{9}z^{9}-205a^{7}z^{9}-256a^{5}z^{9}-86a^{3}z^{9}+35az^{9}+a^{12}z^{8}-43a^{10}z^{8}-56a^{8}z^{8}-29a^{6}z^{8}-120a^{4}z^{8}-85a^{2}z^{8}+18z^{8}-15a^{11}z^{7}+44a^{9}z^{7}+234a^{7}z^{7}+275a^{5}z^{7}+45a^{3}z^{7}-49az^{7}+6z^{7}a^{-1}-2a^{12}z^{6}+36a^{10}z^{6}+109a^{8}z^{6}+159a^{6}z^{6}+157a^{4}z^{6}+50a^{2}z^{6}+z^{6}a^{-2}-18z^{6}+11a^{11}z^{5}-7a^{9}z^{5}-98a^{7}z^{5}-113a^{5}z^{5}-11a^{3}z^{5}+19az^{5}-3z^{5}a^{-1}+a^{12}z^{4}-15a^{10}z^{4}-66a^{8}z^{4}-102a^{6}z^{4}-72a^{4}z^{4}-16a^{2}z^{4}+4z^{4}-3a^{11}z^{3}-5a^{9}z^{3}+7a^{7}z^{3}+14a^{5}z^{3}+3a^{3}z^{3}-2az^{3}+3a^{10}z^{2}+16a^{8}z^{2}+21a^{6}z^{2}+12a^{4}z^{2}+4a^{2}z^{2}+3a^{9}z+3a^{7}z-a^{8}-a^{6}-a^{2}}
