In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 'l', 'v', 'p', 8961, 5511, 'R', 8641, 'l', 6611, 1061, 99, 1827, 'T', 5895, 'z', 8805, 'h', 7425, 7273, 9083, 'V', 'T', '3369', '6795', '3545', 'k', '8011', 'C', 'U', '6337', 'm', '1689', '7517', '4443', '301', 'C', 'F', 'M', 'K', 'S', '511', 'T', '8109', '1121', 'z', '1289', '3385', '5631', '2209', 'U', 2539, 'g', 'S'], [4901, 'R', 229, 's', 'f', 'Y', 'a', 1751, 1663, 'X', 5033, 9675, 6153, 't', 'j', 5345, 'c', 2553, 'C', 8899, 's', 'M', 'P', 'c', 8041, '3369', '6795', '3545', 'k', '8011', 'C', 'U', '6337', 'm', '1689', '7517', '4443', '301', 'C', 'F', 'M', 'K', 'S', '511', 'T', '8109', '1121', 'z', '1289', '3385', '5631', '2209', 'C', 8491, 6545, 9071, 'n', 9061, 'H', 'W', 995, 9607, 6859, 'F', 3835, 8209, 5567, 's', 4311, 'a', 'y', 'x', 4991]