In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 'd', 1957, 'Z', 9539, 6245, 3107, 'R', 3365, 2305, 'Z', 'j', '1739', '9451', '5049', 'Z', '5897', 'm', '1745', 'B', '5159', 'Z', 'x', 'z', 'K', '7185', 'p', '4509', '9441', 'S', '5959', '5987', '9173', 'R', 2359, 'N', 'z', 7585, 7581, 8415, 'L', 'J', 7447, 'P', 'z', 'b', 3287, 'e', 2749, 'q'], ['x', 6215, 6259, 3377, 'x', 'J', '1739', '9451', '5049', 'Z', '5897', 'm', '1745', 'B', '5159', 'Z', 'x', 'z', 'K', '7185', 'p', '4509', '9441', 'S', '5959', '5987', '9173', 'y', 's', 'q', 4627, 'r', 2497, 'O', 6329, 'p', 'G', 5651, 3513, 'y', 'H', 'T', 255, 2863, 'p', 'o', 8653, 't']