In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 'j', 'O', 'P', 'i', 'P', 'N', '619', '7845', 'F', '9811', 'N', '1995', '2349', '9', 'i', 'X', '5679', 'y', '6705', 'y', '7071', '93', '2741', 'c', 'l', 'Z', 't', 'Z'], [1097, 7121, 3051, 'P', 'N', '619', '7845', 'F', '9811', 'N', '1995', '2349', '9', 'i', 'X', '5679', 'y', '6705', 'y', '7071', '93', '2741', 'c', 'l', 'J', 'T', 'G', 5857, 'Z', 'l', 'S', 3741, 7469, 'r', 'g', 6331, 'Y', 9337, 5355, 'L', 'C', 'Y', 'l']