In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'H', 'g', 'y', '4593', '8061', 'a', 'M', '9267', 'y', 'T', 'w', '3801', 't', '8407', 'T', '5933', '3149', '5591', '7723', 'C', 1057, 'M', 4635, 'c', 9501, 'T', 'R', 1613, 'S'], ['Y', 3201, 8257, 'D', 'k', 1101, 1359, 5729, 8333, '4593', '8061', 'a', 'M', '9267', 'y', 'T', 'w', '3801', 't', '8407', 'T', '5933', '3149', '5591', '7723', 'R', 'C', 'H', 'o', 'B', 1897, 2969, 9789]