In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1063, 'X', 6741, 7275, 5013, 'r', 2619, 'Z', 57, 4587, 917, 'm', 1647, 'M', 'l', 7447, 2729, 5429, 'R', 'L', 'b', 2341, 5965, 5971, 'n', 'o', 'P', 'H', '2533', 'f', 'Q', '557', 'p', '9761', '8423', '8397', '9623', '3125', 'u', 'k', 'B', '3019', 'O', '619', '5959', '1605', 'Q', 'g', 'W', 'P', '909', 'Q', '4623', '3405', 'R', 'b', 7815, 4821, 7901, 'v', 'd', 'z', 'z', 9741, 'C', 'H', 6991, 'k', 3447, 'g', 'o'], [1613, 'k', 2995, 'g', 'B', 'E', 2927, 8079, 9005, 9831, 7349, 9343, 9429, 8227, 'm', 'y', 'n', 'o', 'P', 'H', '2533', 'f', 'Q', '557', 'p', '9761', '8423', '8397', '9623', '3125', 'u', 'k', 'B', '3019', 'O', '619', '5959', '1605', 'Q', 'g', 'W', 'P', '909', 'Q', '4623', '3405', 'h', 7357, 5481, 4235, 'l', 1289, 8329, 'M', 'k', 'L', 4069, 'f', 'z', 'I', 5207, 'L', 'R', 4587, 8321, 'G', 7507, 'j', 'z', 1959, 'P', 'w', 'Q', 7993]