In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9749, 'U', 5609, 5513, 'r', 'v', 'S', '5865', 't', '155', 'z', '6265', 'i', '893', '9061', 'w', '2165', 'e', 'T', 'o', 'k', 1753, 'L', 'j', 3993, 5503, 'E'], ['c', 9775, 'L', 'k', 4029, '5865', 't', '155', 'z', '6265', 'i', '893', '9061', 'w', '2165', 'e', 'I', 'l', 3047, 'n', 'X']