In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[10029, 'x', 'u', 'x', '7615', '5597', '3941', 'W', 'Q', 'J', 'X', '6029', 'g', '1371', 'V', 'j', 'D', '311', 'P', 'f', 'p', '5209', '5185', 'o', '7897', '861', 'T', 'H', '7477', 'b', '5959', 'O', 8911, 'n', 2053, 8327, 'M', 'a', 4725, 'Y', 's', 'N', 'o', 2203, 6473, 'M', 'p', 4851, 7231, 'V', 'b', 'L'], ['R', 'X', 4103, 'X', 'C', 3835, 9395, 'U', 'D', 'V', 'R', 9713, 'l', 'm', 8927, 4017, 'e', 'Z', 8999, 'v', 'o', 'C', 6185, 'R', 'A', 'X', 'R', '7615', '5597', '3941', 'W', 'Q', 'J', 'X', '6029', 'g', '1371', 'V', 'j', 'D', '311', 'P', 'f', 'p', '5209', '5185', 'o', '7897', '861', 'T', 'H', '7477', 'b', '5959', 'n', 'Y', 'Z', 6597, 3481, 9709, 'W']