In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

['L', 'U', 2503, 'N', 'o', 'f', 9159, 7407, 'L', 4455, 't', 'N', 'P', 803, 3311, 7195, 'E', 5647, 'X', 'e', 265, 'U', 7615, 2057, 'v', 'a', '2223', '8221', 'a', 'C', 'j', 'H', '3165', '5889', 'o', 'V', '1693', 'h', '617', '4253', '2319', 'a', 'K', 'o', 'm', '797', '3311', 'v', 'H', 'I', '3447', 'x', 'v', 9939, 'T', 'L', 7999, 7259, 'Y', 'Z', 4439, 'f', 'G', 'w', 'K', 10019, 563, 9339, 'F'], [8275, 'J', 4627, '2223', '8221', 'a', 'C', 'j', 'H', '3165', '5889', 'o', 'V', '1693', 'h', '617', '4253', '2319', 'a', 'K', 'o', 'm', '797', '3311', 'v', 'H', 'I', '3447', 'x', 'O', 4487]
2223, 8221, a, C, j, H, 3165, 5889, o, V, 1693, h, 617, 4253, 2319, a, K, o, m, 797, 3311, v, H, I, 3447, x