z 8 a 12 − 5 z 6 a 12 + 7 z 4 a 12 − 3 z 2 a 12 + 3 z 9 a 11 − 14 z 7 a 11 + 19 z 5 a 11 − 11 z 3 a 11 + 3 z a 11 + 5 z 10 a 10 − 22 z 8 a 10 + 29 z 6 a 10 − 19 z 4 a 10 + 7 z 2 a 10 − a 10 + 5 z 11 a 9 − 18 z 9 a 9 + 13 z 7 a 9 + 5 z 5 a 9 − 11 z 3 a 9 + 4 z a 9 + 2 z 12 a 8 + 5 z 10 a 8 − 51 z 8 a 8 + 93 z 6 a 8 − 69 z 4 a 8 + 20 z 2 a 8 − 2 a 8 + 12 z 11 a 7 − 45 z 9 a 7 + 50 z 7 a 7 − 13 z 5 a 7 − 3 z 3 a 7 + 2 z 12 a 6 + 11 z 10 a 6 − 63 z 8 a 6 + 98 z 6 a 6 − 57 z 4 a 6 + 13 z 2 a 6 − a 6 + 7 z 11 a 5 − 12 z 9 a 5 − 2 z 7 a 5 + 13 z 5 a 5 − z 3 a 5 − z a 5 + 11 z 10 a 4 − 23 z 8 a 4 + 21 z 6 a 4 − 13 z 4 a 4 + 5 z 2 a 4 + 12 z 9 a 3 − 15 z 7 a 3 − 2 z 5 a 3 + 4 z 3 a 3 + 12 z 8 a 2 − 13 z 6 a 2 − 4 z 4 a 2 + 2 z 2 a 2 + 10 z 7 a − 13 z 5 a + 2 z 3 a + 5 z 6 − 5 z 4 + 1 + z 5 a − 1 {\displaystyle z^{8}a^{12}-5z^{6}a^{12}+7z^{4}a^{12}-3z^{2}a^{12}+3z^{9}a^{11}-14z^{7}a^{11}+19z^{5}a^{11}-11z^{3}a^{11}+3za^{11}+5z^{10}a^{10}-22z^{8}a^{10}+29z^{6}a^{10}-19z^{4}a^{10}+7z^{2}a^{10}-a^{10}+5z^{11}a^{9}-18z^{9}a^{9}+13z^{7}a^{9}+5z^{5}a^{9}-11z^{3}a^{9}+4za^{9}+2z^{12}a^{8}+5z^{10}a^{8}-51z^{8}a^{8}+93z^{6}a^{8}-69z^{4}a^{8}+20z^{2}a^{8}-2a^{8}+12z^{11}a^{7}-45z^{9}a^{7}+50z^{7}a^{7}-13z^{5}a^{7}-3z^{3}a^{7}+2z^{12}a^{6}+11z^{10}a^{6}-63z^{8}a^{6}+98z^{6}a^{6}-57z^{4}a^{6}+13z^{2}a^{6}-a^{6}+7z^{11}a^{5}-12z^{9}a^{5}-2z^{7}a^{5}+13z^{5}a^{5}-z^{3}a^{5}-za^{5}+11z^{10}a^{4}-23z^{8}a^{4}+21z^{6}a^{4}-13z^{4}a^{4}+5z^{2}a^{4}+12z^{9}a^{3}-15z^{7}a^{3}-2z^{5}a^{3}+4z^{3}a^{3}+12z^{8}a^{2}-13z^{6}a^{2}-4z^{4}a^{2}+2z^{2}a^{2}+10z^{7}a-13z^{5}a+2z^{3}a+5z^{6}-5z^{4}+1+z^{5}a^{-1}}
