z 7 a 11 − 4 z 5 a 11 + 5 z 3 a 11 − 2 z a 11 + 3 z 8 a 10 − 10 z 6 a 10 + 10 z 4 a 10 − 4 z 2 a 10 + a 10 + 5 z 9 a 9 − 14 z 7 a 9 + 11 z 5 a 9 − 4 z 3 a 9 + z a 9 + 5 z 10 a 8 − 9 z 8 a 8 − z 6 a 8 + 6 z 4 a 8 − 4 z 2 a 8 + a 8 + 2 z 11 a 7 + 10 z 9 a 7 − 42 z 7 a 7 + 51 z 5 a 7 − 28 z 3 a 7 + 5 z a 7 + 13 z 10 a 6 − 26 z 8 a 6 + 11 z 6 a 6 + 3 z 4 a 6 − a 6 + 2 z 11 a 5 + 19 z 9 a 5 − 56 z 7 a 5 + 53 z 5 a 5 − 19 z 3 a 5 + 2 z a 5 + 8 z 10 a 4 + z 8 a 4 − 23 z 6 a 4 + 14 z 4 a 4 + 4 z 2 a 4 − 2 a 4 + 14 z 9 a 3 − 18 z 7 a 3 + 3 z 5 a 3 + 2 z 3 a 3 + 15 z 8 a 2 − 20 z 6 a 2 + 3 z 4 a 2 + 4 z 2 a 2 − 2 a 2 + 11 z 7 a − 13 z 5 a + 2 z 3 a + 5 z 6 − 4 z 4 + z 5 a − 1 {\displaystyle z^{7}a^{11}-4z^{5}a^{11}+5z^{3}a^{11}-2za^{11}+3z^{8}a^{10}-10z^{6}a^{10}+10z^{4}a^{10}-4z^{2}a^{10}+a^{10}+5z^{9}a^{9}-14z^{7}a^{9}+11z^{5}a^{9}-4z^{3}a^{9}+za^{9}+5z^{10}a^{8}-9z^{8}a^{8}-z^{6}a^{8}+6z^{4}a^{8}-4z^{2}a^{8}+a^{8}+2z^{11}a^{7}+10z^{9}a^{7}-42z^{7}a^{7}+51z^{5}a^{7}-28z^{3}a^{7}+5za^{7}+13z^{10}a^{6}-26z^{8}a^{6}+11z^{6}a^{6}+3z^{4}a^{6}-a^{6}+2z^{11}a^{5}+19z^{9}a^{5}-56z^{7}a^{5}+53z^{5}a^{5}-19z^{3}a^{5}+2za^{5}+8z^{10}a^{4}+z^{8}a^{4}-23z^{6}a^{4}+14z^{4}a^{4}+4z^{2}a^{4}-2a^{4}+14z^{9}a^{3}-18z^{7}a^{3}+3z^{5}a^{3}+2z^{3}a^{3}+15z^{8}a^{2}-20z^{6}a^{2}+3z^{4}a^{2}+4z^{2}a^{2}-2a^{2}+11z^{7}a-13z^{5}a+2z^{3}a+5z^{6}-4z^{4}+z^{5}a^{-1}}
