In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 'M', 4211, 'E', 'f', 'W', 2653, 9799, 'p', '5635', '9707', 'E', 'L', '4973', 'D', 'V', '4691', '6359', 'Y', '3359', 'M', 'N', '9531', '3449', 'j', 'x', 'J', 'l', 2311], ['T', 3811, 235, 'r', 'f', 1083, 'Y', 'p', '5635', '9707', 'E', 'L', '4973', 'D', 'V', '4691', '6359', 'Y', '3359', 'M', 'N', '9531', '3449', 'u', 323, 'A', 'Q', 'b', 8657, 957, 927, 273, 829, 8025, 8343]