In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5915, 'A', 'v', 9935, 1677, 4971, 8807, 'P', 525, 'p', 'B', 'K', 'C', 'i', 'o', 't', '737', '5711', '6131', 'M', 'o', 'A', 'u', '9361', 'K', '5959', 'j', '8341', 'E', '6343', '371', '2013', '4477', '5929', '5919', '8491', '4151', '3699', '8791', 'k', 'c', 2937], [679, 129, 'S', 5309, 3337, 7199, 631, 7181, 69, 'k', 'a', 'r', 4225, 'i', 'o', 't', '737', '5711', '6131', 'M', 'o', 'A', 'u', '9361', 'K', '5959', 'j', '8341', 'E', '6343', '371', '2013', '4477', '5929', '5919', '8491', '4151', '3699', '8791', 's', 'x']