In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8975, 'E', 'G', 'E', 'f', 2189, 'C', 'O', 4917, 9181, 7781, 'R', 175, 'G', 'E', 9771, 4491, 'O', '6981', '4583', '4311', 'b', '4631', 'e', 'N', '521', '631', 'b', 'I', 'Q', 'i', '9205', '7561', '1971', 'y', '7221', '337', '8747', 'V', '4599', 'G', 6887, 9123, 1467, 'L', 'R', 'U', 'Z', 7917, 1619, 3529, 3685, 5313, 1875, 'J', 2671, 'G', 6239, 'F', 2267, 9091, 5747], ['V', 5787, 'u', '6981', '4583', '4311', 'b', '4631', 'e', 'N', '521', '631', 'b', 'I', 'Q', 'i', '9205', '7561', '1971', 'y', '7221', '337', '8747', 'V', '4599', 'n', 'y', 2033, 5737, 6945, 'e', 2927, 'L', 9011, 'L', 'A']