In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3205, 2999, 8597, '2427', 'E', '873', '9361', 'x', '5305', 'd', 'y', '1669', '10001', '4869', '5689', 'm', 'M', '9', 's', 'm', 'z', '7611', '9573', 'z', 'd', 'F', '3077', 'z', '4237', '2735', 'v', '8683', '47', 'R', 'k', 'E', 5345, 1443, 1425, 2817, 4763, 'E', 'g'], ['y', 5829, 'Q', 8105, 'v', '2427', 'E', '873', '9361', 'x', '5305', 'd', 'y', '1669', '10001', '4869', '5689', 'm', 'M', '9', 's', 'm', 'z', '7611', '9573', 'z', 'd', 'F', '3077', 'z', '4237', '2735', 'v', '8683', '47', 'M', 2101, 'H', 'f', 'b', 'I', 6743, 893, 'H', 'X', 1593, 'X', 'B', 1273, 4099, 4741, 9373]