In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'V', 2327, 8973, 7483, 7063, 'E', '633', 'K', 'Q', '4181', '4291', '2463', '2883', 'h', '7597', '9437', 'Y', 8309, 'u', 'j', 'q', 5661], ['r', 5133, 6375, 'Z', 'G', 'n', 'E', '633', 'K', 'Q', '4181', '4291', '2463', '2883', 'h', '7597', '9437', 'a', 'G', 'l', 'Y', 6595, 'b', 7623, 7099, 3931, 3547]