2 a 5 z 11 + 2 a 3 z 11 + 7 a 6 z 10 + 16 a 4 z 10 + 9 a 2 z 10 + 10 a 7 z 9 + 26 a 5 z 9 + 31 a 3 z 9 + 15 a z 9 + 8 a 8 z 8 + 7 a 6 z 8 − 5 a 4 z 8 + 8 a 2 z 8 + 12 z 8 + 4 a 9 z 7 − 14 a 7 z 7 − 65 a 5 z 7 − 78 a 3 z 7 − 26 a z 7 + 5 z 7 a − 1 + a 10 z 6 − 15 a 8 z 6 − 40 a 6 z 6 − 53 a 4 z 6 − 53 a 2 z 6 + z 6 a − 2 − 23 z 6 − 8 a 9 z 5 + 5 a 7 z 5 + 56 a 5 z 5 + 63 a 3 z 5 + 13 a z 5 − 7 z 5 a − 1 − 2 a 10 z 4 + 11 a 8 z 4 + 45 a 6 z 4 + 68 a 4 z 4 + 52 a 2 z 4 − z 4 a − 2 + 15 z 4 + 5 a 9 z 3 − 20 a 5 z 3 − 22 a 3 z 3 − 5 a z 3 + 2 z 3 a − 1 + a 10 z 2 − 5 a 8 z 2 − 20 a 6 z 2 − 29 a 4 z 2 − 21 a 2 z 2 − 6 z 2 − a 9 z + 3 a 5 z + 3 a 3 z + a z + a 8 + 3 a 6 + 4 a 4 + 3 a 2 + 2 {\displaystyle 2a^{5}z^{11}+2a^{3}z^{11}+7a^{6}z^{10}+16a^{4}z^{10}+9a^{2}z^{10}+10a^{7}z^{9}+26a^{5}z^{9}+31a^{3}z^{9}+15az^{9}+8a^{8}z^{8}+7a^{6}z^{8}-5a^{4}z^{8}+8a^{2}z^{8}+12z^{8}+4a^{9}z^{7}-14a^{7}z^{7}-65a^{5}z^{7}-78a^{3}z^{7}-26az^{7}+5z^{7}a^{-1}+a^{10}z^{6}-15a^{8}z^{6}-40a^{6}z^{6}-53a^{4}z^{6}-53a^{2}z^{6}+z^{6}a^{-2}-23z^{6}-8a^{9}z^{5}+5a^{7}z^{5}+56a^{5}z^{5}+63a^{3}z^{5}+13az^{5}-7z^{5}a^{-1}-2a^{10}z^{4}+11a^{8}z^{4}+45a^{6}z^{4}+68a^{4}z^{4}+52a^{2}z^{4}-z^{4}a^{-2}+15z^{4}+5a^{9}z^{3}-20a^{5}z^{3}-22a^{3}z^{3}-5az^{3}+2z^{3}a^{-1}+a^{10}z^{2}-5a^{8}z^{2}-20a^{6}z^{2}-29a^{4}z^{2}-21a^{2}z^{2}-6z^{2}-a^{9}z+3a^{5}z+3a^{3}z+az+a^{8}+3a^{6}+4a^{4}+3a^{2}+2}
