In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Z', 's', 5723, 'A', 9371, 'U', '5169', '8825', 'i', '663', '4305', 'S', '5575', 'F', 'H', '3087', '4891', '6069', 'G', 'O', 'v', '3181', 'C', '8993', 'W', 'b', '3287', 'Y', 'k', 'z', 5013, 3889, 4525, 'g', 'l', 403, 'n', 5429, 433, 'G', 'Z', 7649, 'j', 2315, 333, 'i'], [3175, 'Y', 'C', 'H', 'C', 's', 'F', '5169', '8825', 'i', '663', '4305', 'S', '5575', 'F', 'H', '3087', '4891', '6069', 'G', 'O', 'v', '3181', 'C', '8993', 'W', 'b', '3287', 'g', 277, 'v', 'U', 8677, 'u', 9659, 8001]