In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[179, 3703, 6163, 5837, 9459, 5719, 'y', 9923, 'L', 2645, 'Y', 'C', 'o', 'y', '3189', 't', '271', '4751', 's', '1269', 'a', 'j', '167', '683', 'H', 'd', '757', '9287', 'r', '8999', '1049', 'A', '6425', 'g', '4539', 'C', 'Y', 2633, 'j', 3605, 't', 589], ['Y', 's', 'A', 'H', 'E', 'X', 519, 97, '3189', 't', '271', '4751', 's', '1269', 'a', 'j', '167', '683', 'H', 'd', '757', '9287', 'r', '8999', '1049', 'A', '6425', 'g', '4539', 'C', 'F', 4031, 'b', 5959]