In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'h', 9309, 677, 'W', 9263, 1545, 8165, 8601, 6083, 'V', 'l', 'i', 'C', '7743', 'X', '6979', '6339', '5423', '7307', '903', 'H', 'z', '4745', 'F', 'o', 'q', '4135', '3587', '5061', 'Y', 'a', '5435', '4929', 'g', 's', 'i', 6185, 'm', 1983, 'S', 6903, 'w', 'p', 5779, 'Q', 2917, 't', 'i', 2237, 'I', 739, 3287], ['b', 'n', 3663, 'Y', 7909, 6337, 2655, 'c', 'd', 'l', 'L', 'r', 2999, 'N', 'f', 4425, 'D', 545, 'E', 4929, 'C', '7743', 'X', '6979', '6339', '5423', '7307', '903', 'H', 'z', '4745', 'F', 'o', 'q', '4135', '3587', '5061', 'Y', 'a', '5435', '4929', 'g', 'B', 'n', 'Q', 't', 'b']