5 a 4 z 10 + 5 a 2 z 10 + 14 a 5 z 9 + 26 a 3 z 9 + 12 a z 9 + 17 a 6 z 8 + 21 a 4 z 8 + 15 a 2 z 8 + 11 z 8 + 12 a 7 z 7 − 13 a 5 z 7 − 51 a 3 z 7 − 21 a z 7 + 5 z 7 a − 1 + 5 a 8 z 6 − 25 a 6 z 6 − 60 a 4 z 6 − 54 a 2 z 6 + z 6 a − 2 − 23 z 6 + a 9 z 5 − 14 a 7 z 5 − 5 a 5 z 5 + 26 a 3 z 5 + 8 a z 5 − 8 z 5 a − 1 − 3 a 8 z 4 + 12 a 6 z 4 + 42 a 4 z 4 + 42 a 2 z 4 − z 4 a − 2 + 14 z 4 + 4 a 7 z 3 + 4 a 5 z 3 − 2 a 3 z 3 + 2 z 3 a − 1 − 3 a 6 z 2 − 9 a 4 z 2 − 9 a 2 z 2 − 3 z 2 + 1 {\displaystyle 5a^{4}z^{10}+5a^{2}z^{10}+14a^{5}z^{9}+26a^{3}z^{9}+12az^{9}+17a^{6}z^{8}+21a^{4}z^{8}+15a^{2}z^{8}+11z^{8}+12a^{7}z^{7}-13a^{5}z^{7}-51a^{3}z^{7}-21az^{7}+5z^{7}a^{-1}+5a^{8}z^{6}-25a^{6}z^{6}-60a^{4}z^{6}-54a^{2}z^{6}+z^{6}a^{-2}-23z^{6}+a^{9}z^{5}-14a^{7}z^{5}-5a^{5}z^{5}+26a^{3}z^{5}+8az^{5}-8z^{5}a^{-1}-3a^{8}z^{4}+12a^{6}z^{4}+42a^{4}z^{4}+42a^{2}z^{4}-z^{4}a^{-2}+14z^{4}+4a^{7}z^{3}+4a^{5}z^{3}-2a^{3}z^{3}+2z^{3}a^{-1}-3a^{6}z^{2}-9a^{4}z^{2}-9a^{2}z^{2}-3z^{2}+1}
