a 7 z 11 + a 5 z 11 + 2 a 8 z 10 + 5 a 6 z 10 + 3 a 4 z 10 + a 9 z 9 − 2 a 7 z 9 + a 5 z 9 + 4 a 3 z 9 − 13 a 8 z 8 − 28 a 6 z 8 − 12 a 4 z 8 + 3 a 2 z 8 − 7 a 9 z 7 − 14 a 7 z 7 − 27 a 5 z 7 − 19 a 3 z 7 + a z 7 + 28 a 8 z 6 + 46 a 6 z 6 + 4 a 4 z 6 − 14 a 2 z 6 + 17 a 9 z 5 + 44 a 7 z 5 + 53 a 5 z 5 + 22 a 3 z 5 − 4 a z 5 − 24 a 8 z 4 − 25 a 6 z 4 + 14 a 4 z 4 + 15 a 2 z 4 − 17 a 9 z 3 − 39 a 7 z 3 − 33 a 5 z 3 − 9 a 3 z 3 + 2 a z 3 + 8 a 8 z 2 + 3 a 6 z 2 − 10 a 4 z 2 − 5 a 2 z 2 + 6 a 9 z + 10 a 7 z + 6 a 5 z + 2 a 3 z − a 8 + 2 a 4 {\displaystyle a^{7}z^{11}+a^{5}z^{11}+2a^{8}z^{10}+5a^{6}z^{10}+3a^{4}z^{10}+a^{9}z^{9}-2a^{7}z^{9}+a^{5}z^{9}+4a^{3}z^{9}-13a^{8}z^{8}-28a^{6}z^{8}-12a^{4}z^{8}+3a^{2}z^{8}-7a^{9}z^{7}-14a^{7}z^{7}-27a^{5}z^{7}-19a^{3}z^{7}+az^{7}+28a^{8}z^{6}+46a^{6}z^{6}+4a^{4}z^{6}-14a^{2}z^{6}+17a^{9}z^{5}+44a^{7}z^{5}+53a^{5}z^{5}+22a^{3}z^{5}-4az^{5}-24a^{8}z^{4}-25a^{6}z^{4}+14a^{4}z^{4}+15a^{2}z^{4}-17a^{9}z^{3}-39a^{7}z^{3}-33a^{5}z^{3}-9a^{3}z^{3}+2az^{3}+8a^{8}z^{2}+3a^{6}z^{2}-10a^{4}z^{2}-5a^{2}z^{2}+6a^{9}z+10a^{7}z+6a^{5}z+2a^{3}z-a^{8}+2a^{4}}
