In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Z', 'n', 5923, 3367, 3089, 'j', 3771, 'P', 4085, 'C', 7809, 'u', 'u', 2877, 'g', '521', '1021', 'h', '2847', '155', 'n', '825', '6395', '359', 'G', '3769', '2107', 'o', '1813', '5381', '5975', '4501', 'T', 'x', 'e', 'K', 's', '5327', '1619', '1607', 'y', '4237', '5077', '5483', '5663', 'k', 'P', 'V', 'j', 8839, 635, 2487, 'c', 'i', 'J', 6601, 'K', 7321, 2075, 5469], [5351, 'Q', 2537, 'h', 1493, 8259, 9855, 'G', 's', 7193, 6989, 'Q', 'm', 6011, 'C', 'R', 'n', 8499, '521', '1021', 'h', '2847', '155', 'n', '825', '6395', '359', 'G', '3769', '2107', 'o', '1813', '5381', '5975', '4501', 'T', 'x', 'e', 'K', 's', '5327', '1619', '1607', 'y', '4237', '5077', '5483', '5663', 'j', 9953, 'm']