In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 'r', 'R', 'G', 2917, 'l', 901, '6847', '3285', 's', 'i', 'j', 'y', '6141', '7799', 't', 'E', 'C', 'A', 'B', '3653', 'X', '3963', 'U', 'S', 'u', '8279', 'A', '1401', '5033', 'D', 'z', 'H', 'u', 'n', 'L', 'V', 'K', 'F', 7967, 7261], [127, 9531, 7937, 'P', 'K', 4687, 7605, 'a', 'N', 3573, 9263, 8069, 2875, 3757, 5773, 4907, 'r', 5561, 'f', 'd', '6847', '3285', 's', 'i', 'j', 'y', '6141', '7799', 't', 'E', 'C', 'A', 'B', '3653', 'X', '3963', 'U', 'S', 'u', '8279', 'A', '1401', '5033', 'w', 575, 'W', 'U', 'c', 'W', 'a', 'r', 7809, 7881, 'G', 2597, 407, 2829, 8901]