In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['H', 9967, 'q', 7319, 367, 2529, 1553, 7929, 8795, '3115', '2831', '2273', 'U', '8575', 'L', '6883', 'M', 'V', 'K', 'l', '7383', '4691', '4047', 'D', 'Y', '5233', '4907', 'X', '9065', 'X', '3655', 'S', '7107', '6223', 'd', 'V', 9669, 5707, 'k', 6081, 7349, 9179, 'f', 'C'], [8705, 'Z', 8769, 65, 'B', 8605, 873, 6477, 5529, 5031, 5759, 8423, 19, 'H', 8547, 'N', 405, 'P', 'k', 7455, 49, '3115', '2831', '2273', 'U', '8575', 'L', '6883', 'M', 'V', 'K', 'l', '7383', '4691', '4047', 'D', 'Y', '5233', '4907', 'X', '9065', 'X', '3655', 'S', '7107', '6223', 'd', 'o', 'Z', 'W', 5719, 'U', 9777, 'R', 'Z', 'p', 8157, 821, 4597, 7791, 'e', 'h', 'V', 4877, 'u', 9269, 'b', 6779, 2913, 5943, 'P']