In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['M', 2185, 5643, '8381', 'K', 'K', '3495', '9267', 'P', '1701', 'A', 'd', '4293', '205', 'e', '4641', '5823', 'Y', '3989', '8667', '6269', 'R', 'i', 'B', '6939', '7737', '1773', 'G', '6463', 'F', 'D', 'P', 6573, 8101, 'U', 'v', 'z', 'u', 4689, 9031, 'M', 3863, 5141, 7429, 5809, 8221, 5863, 7623, 3461, 4263, 'u', 8109, 1279, 4743, 9529, 827, 'H'], ['m', 'b', 5539, 7689, 'Q', 2957, 7155, 1591, 3273, 'C', 4089, 8089, 'X', 9359, 7667, 3587, 'X', 'k', 5241, 429, 'T', 4653, 5689, 'F', 'L', 9963, '8381', 'K', 'K', '3495', '9267', 'P', '1701', 'A', 'd', '4293', '205', 'e', '4641', '5823', 'Y', '3989', '8667', '6269', 'R', 'i', 'B', '6939', '7737', '1773', 'G', '6463', 'F', 'j', 'L', 's', 2083, 8535, 'I', 9377]