In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7023, 'O', 'm', 9813, 6515, 's', '339', '3733', '9085', '2075', '541', '8659', 'Y', 'm', 'w', 'I', 'T', 'M', '1555', '1933', 's', 'x', '1257', '6417', '4493', 'o', 'o', 'q', '9175', '1135', '4305', 'v', '2811', 'H', 6871, 8929, 7909, 2609, 'T', 7237, 1939, 't', 'W', 'r', 'f', 1379, 'q', 3, 6365, 'a'], ['c', 7853, 'Y', 'Q', 'i', 7287, 3327, 'T', 4679, 'b', 's', '339', '3733', '9085', '2075', '541', '8659', 'Y', 'm', 'w', 'I', 'T', 'M', '1555', '1933', 's', 'x', '1257', '6417', '4493', 'o', 'o', 'q', '9175', '1135', '4305', 'v', '2811', 'P', 'd', 221, 7657, 9183]