In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 5029, 'C', 3513, 4009, 'C', 'V', 'c', 'y', 'H', 'e', 'u', '2819', '9137', 'V', '5545', '1255', '4149', '1071', '9087', '7251', 'L', 'U', '1697', '2783', 'a', '3571', 'S', 8827, 5201, 8991, 2259, 'B', 'H', 8983, 'v', 'J', 'J', 4531, 'R', 'X', 'I', 1353], ['s', 6237, 'i', 'G', 7329, 4099, 7253, 5751, 1109, 8381, 5525, 'C', 'V', 'c', 'y', 'H', 'e', 'u', '2819', '9137', 'V', '5545', '1255', '4149', '1071', '9087', '7251', 'L', 'U', '1697', '2783', 'a', '3571', 'q', 'R']