In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 'v', 't', 'h', 'l', '4377', 'A', 'A', '6311', 'U', '1767', 'k', 'k', 'f', 'K', 't', '9481', '3205', 'S', '8257', 'g', 'x', 't', 'l', 257, 7231, 'j', 939, 3433, 'Y', 7167, 'J', 3085, 7203, 4583, 'o', 5217, 'I', 'F'], [9199, 3151, 'p', 235, 'O', 'J', 'o', 's', 7439, 3345, 3045, 8843, 1341, 'C', 't', 'h', 'l', '4377', 'A', 'A', '6311', 'U', '1767', 'k', 'k', 'f', 'K', 't', '9481', '3205', 'S', '8257', 'g', 'A', 'u', 4765, 2861, 1845, 'y', 7993, 'y', 6465, 'E', 'u', 5533]