In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Z', 'u', 'H', 'g', 2545, 'U', 2701, 6397, 1789, 7633, 3369, 'y', 2375, 8789, 'K', 'w', 1921, 'd', '1107', 'u', '471', '9669', 'r', 's', 'e', '8613', '5155', '7039', '1743', 'M', '7883', 'J', '9233', 'h', 'i', 'd', 'n', 'Z', 'J', '6749', 'A', 'N', 2739, 'r', 511, 8167, 'N', 6439, 'B', 5515, 'O', 'H', 2045], ['G', 'E', 3939, 'z', 'X', 6111, 'd', 'K', 'd', '1107', 'u', '471', '9669', 'r', 's', 'e', '8613', '5155', '7039', '1743', 'M', '7883', 'J', '9233', 'h', 'i', 'd', 'n', 'Z', 'J', '6749', 'Y', 5671, 9903, 'G', 277, 'F', 'P']