In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 'z', 'C', 4239, 'B', 'w', 'H', 'N', 2307, 'L', 'T', '8581', 'o', 'P', '5251', 'b', '1621', '9835', '2233', 'h', '5527', '4661', '1947', 'a', '4711', '6481', 'D', 'S', 2751, 1239, 'B', 'j', 'S', 7657, 9981, 5767, 'S', 7453, 3357], ['A', 'w', 'y', 9447, 755, 'S', 7845, 'T', '8581', 'o', 'P', '5251', 'b', '1621', '9835', '2233', 'h', '5527', '4661', '1947', 'a', '4711', '6481', 'q', 'u', 7129, 'L', 2681, 'o', 'y', 'L', 8331, 'E', 3795]