In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5153, 7125, 9647, 2847, 9811, 'f', 3121, 'V', 'Y', 'K', 4957, 3981, 173, 5907, '4931', 'z', '3375', '4907', 'z', 'z', 'Z', '5921', '3617', 'y', '5145', '3711', 'y', 'F', '5627', 'n', 'f', 6037, 1013, 3087, 6859, 7881, 'h', 8065, 'h'], ['m', 3573, 'q', 'X', 'j', 1005, 1615, 'e', 'm', 's', 'Q', '4931', 'z', '3375', '4907', 'z', 'z', 'Z', '5921', '3617', 'y', '5145', '3711', 'y', 'F', '5627', 'c', 'A', 4665, 't', 'U', 'C', 9765, 'H', 5857, 'o', 4713, 'n', 'C', 4719]