5 a 4 z 10 + 5 a 2 z 10 + 15 a 5 z 9 + 27 a 3 z 9 + 12 a z 9 + 19 a 6 z 8 + 26 a 4 z 8 + 18 a 2 z 8 + 11 z 8 + 13 a 7 z 7 − 11 a 5 z 7 − 47 a 3 z 7 − 18 a z 7 + 5 z 7 a − 1 + 5 a 8 z 6 − 29 a 6 z 6 − 70 a 4 z 6 − 59 a 2 z 6 + z 6 a − 2 − 22 z 6 + a 9 z 5 − 15 a 7 z 5 − 13 a 5 z 5 + 13 a 3 z 5 + 2 a z 5 − 8 z 5 a − 1 − 2 a 8 z 4 + 16 a 6 z 4 + 46 a 4 z 4 + 43 a 2 z 4 − z 4 a − 2 + 14 z 4 + 6 a 7 z 3 + 10 a 5 z 3 + 5 a 3 z 3 + 4 a z 3 + 3 z 3 a − 1 − 5 a 6 z 2 − 10 a 4 z 2 − 8 a 2 z 2 − 3 z 2 − 2 a 7 z − 2 a 5 z + a 6 + a 4 − a 2 {\displaystyle 5a^{4}z^{10}+5a^{2}z^{10}+15a^{5}z^{9}+27a^{3}z^{9}+12az^{9}+19a^{6}z^{8}+26a^{4}z^{8}+18a^{2}z^{8}+11z^{8}+13a^{7}z^{7}-11a^{5}z^{7}-47a^{3}z^{7}-18az^{7}+5z^{7}a^{-1}+5a^{8}z^{6}-29a^{6}z^{6}-70a^{4}z^{6}-59a^{2}z^{6}+z^{6}a^{-2}-22z^{6}+a^{9}z^{5}-15a^{7}z^{5}-13a^{5}z^{5}+13a^{3}z^{5}+2az^{5}-8z^{5}a^{-1}-2a^{8}z^{4}+16a^{6}z^{4}+46a^{4}z^{4}+43a^{2}z^{4}-z^{4}a^{-2}+14z^{4}+6a^{7}z^{3}+10a^{5}z^{3}+5a^{3}z^{3}+4az^{3}+3z^{3}a^{-1}-5a^{6}z^{2}-10a^{4}z^{2}-8a^{2}z^{2}-3z^{2}-2a^{7}z-2a^{5}z+a^{6}+a^{4}-a^{2}}
