In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 6385, 'P', 'Q', 'R', 'j', 'A', '8303', '9795', '5121', '8429', 'Y', '3503', '6149', '7725', 'G', '7965', 'u', '6133', '877', 'W', 'w', 'H', '7897', '7253', 'o', 'b', 'Q', 4885, 1307, 'f', 'J', 9821, 1769, 'M', 'A', 5751, 3357, 29, 'Z', 'v', 'Y'], [6325, 'p', 'V', 9157, 'o', 'f', 'y', 'A', '8303', '9795', '5121', '8429', 'Y', '3503', '6149', '7725', 'G', '7965', 'u', '6133', '877', 'W', 'w', 'H', '7897', '7253', 'u', 4413, 8985, 9899, 3583]