In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 'R', 'h', 8655, 'h', 'z', 'e', 3821, 3415, 139, 3535, 'b', '1809', '5625', 'X', '285', 'M', '8329', '3373', 'Q', 'O', '9203', '2387', '8309', 'F', 'u', 7929, 1555, 'F', 'N', 'w'], [4193, 'u', 1709, 8937, 5203, 7839, 'e', '1809', '5625', 'X', '285', 'M', '8329', '3373', 'Q', 'O', '9203', '2387', '8309', 'F', 'o', 2865, 'Y', 'C', 4651]