In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 9027, 2571, 8209, 't', 'c', 4605, 191, 51, 'g', 'y', 'W', 'l', 1727, 'm', 'm', '1019', 'R', 'p', 'k', '4413', '8183', 'P', 'w', 'p', 'g', 'Q', 'I', '3273', 'M', 'V', 'l', 'D', 907, 's', 'i', 9695, 'a', 'X', 8625], ['K', 2283, 10017, 'w', 'q', 'v', 6839, 3531, 'B', 6175, 'v', 'W', 3661, 'y', 'X', 'V', 't', 'm', '1019', 'R', 'p', 'k', '4413', '8183', 'P', 'w', 'p', 'g', 'Q', 'I', '3273', 'M', 'V', 'l', 'r', 'P', 'i', 3335, 'u', 'O', 9869, 2273, 1233, 8465, 'G', 5567, 'h']