In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['k', 3017, 'j', 'n', 'Y', 'm', 799, 'N', 7421, 'A', 7045, 5917, 'b', 1765, 2443, 'l', 'o', 'p', 589, 4369, 'l', 4583, 's', 'l', 'Q', 'L', 2207, 'K', '1075', 'S', '2249', '2673', 'C', 'G', '39', '9145', 'H', '6063', 'N', '289', '9217', 'c', '3859', '6257', '1039', '9343', 'i', '4011', 'o', 'j', '3275', '6943', '5535', 'O', 'S', 3207, 'L', 1397, 2441, 'f', 349, 'T', 'd', 8645, 9177, 'M', 9075, 'R', 3187, 'O', 'r', 9261, 'm', 7883, 'L', 'p'], ['H', 9537, 'g', 6083, 'r', 1969, 7579, 2233, 'f', 'I', 5289, 'p', 'f', 7933, 'C', 5431, 7743, 'r', 'u', 'A', 'P', 5745, 'K', '1075', 'S', '2249', '2673', 'C', 'G', '39', '9145', 'H', '6063', 'N', '289', '9217', 'c', '3859', '6257', '1039', '9343', 'i', '4011', 'o', 'j', '3275', '6943', '5535', 'O', 'p', 8237, 'K', 'i', 'D', 'M', 'V', 'L', 'A', 'Z', 3433, 6245, 5499, 'S', 'U', 1587, 6199, 8965]