In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 5211, 4831, 'm', 'R', 9423, 9279, 'b', 'c', 1219, 8439, 5707, 'L', 2363, 'K', 5973, 'G', 'Y', 'B', 3949, 'E', '9611', '4739', '6893', 'h', 'Q', 'E', 'v', 'A', 'u', 'K', 'o', '3553', 'P', '6415', '8573', '5191', '9395', 'h', '8679', 'G', '2381', 'D', 'b', '6219', '651', 'j', '1131', 'X', 'y', 2089, 3451, 5311, 'u', 4845, 'z', 'H'], ['A', 'I', 7377, 6449, 'Z', 'A', 6985, 'x', 5645, 9719, 7139, 8277, 3009, 757, 'L', 4823, 'D', 'N', 'p', 'F', 'X', 2685, 1755, 55, 'E', '9611', '4739', '6893', 'h', 'Q', 'E', 'v', 'A', 'u', 'K', 'o', '3553', 'P', '6415', '8573', '5191', '9395', 'h', '8679', 'G', '2381', 'D', 'b', '6219', '651', 'j', '1131', 'N', 'p', 5481, 'E', 'V', 'X', 1029, 8065, 'k', 1331]