In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 4937, 'h', 945, 5325, 'B', 'E', 'A', 'u', 'O', 'z', 'e', 7103, 9607, 'V', 'c', 'b', 'h', 'v', '7705', '7871', 'o', 'T', 'c', 'p', 'M', 'p', '9665', 'H', 'e', 'l', '9581', 'u', 'p', 'A', 'R', 'o', 293, 'x', 'G', 'r', 'l', 'w', 'Y', 5533, 'C'], [9707, 91, 3749, 8067, 'Q', 'T', 7493, 4365, 'B', 6885, 'Y', 4333, 8257, 8511, 'u', 'a', 'b', 'h', 'v', '7705', '7871', 'o', 'T', 'c', 'p', 'M', 'p', '9665', 'H', 'e', 'l', '9581', 'u', 'Y', 1273, 209, 2741, 7517]