In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 5525, 'Q', 5225, 'Z', 'q', 'K', 2223, 6303, 7013, 'Y', 'c', 'C', 3567, '4455', 'U', '5681', 'F', 'g', 'U', '6563', 'L', 'T', 'L', 'f', 'D', '7457', 'q', 'H', 'd', 'Z', 'y', 6317, 9603], ['p', 4399, 'D', 'g', 'C', 677, 'l', 8523, 'V', 'T', 'X', 6519, '4455', 'U', '5681', 'F', 'g', 'U', '6563', 'L', 'T', 'L', 'f', 'D', '7457', 'q', 'H', 'q', 'G', 639, 'f', 'D', 8355, 'b', 2993, 'T', 9405, 7563]