In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[461, 'Q', 'u', 'l', 'E', 'n', 'T', 'P', 'Y', 8909, 8141, 'F', 'T', 'W', 'w', 'd', '4527', 'Z', '1901', '5971', 'M', '1863', 'P', 'C', 'z', '4955', '531', 'p', 'n', '7423', 'z', '5499', 'H', '2811', 'l', 1797, 8413, 5265, 'G', 3009, 5819, 3513, 'j', 9285, 'U', 9623, 8963], [3647, 'E', 7029, 'N', 'e', 'i', 'm', 1361, 'B', 5903, 'i', 9067, 'd', '4527', 'Z', '1901', '5971', 'M', '1863', 'P', 'C', 'z', '4955', '531', 'p', 'n', '7423', 'z', '5499', 'H', '2811', 'b', 'G', 'w', 'm', 'Y', 'p', 9843, 2269, 471, 8273, 3165, 431, 2761, 'i']