In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'U', 'X', 8865, 7779, 4329, 'z', 'W', 'R', 1899, '8659', 'b', 'v', '6357', '4601', 'p', '8343', 'L', '5059', 'a', 'd', 'Y', 'S', 'd', 1675, 5557, 415, 3443, 'U', 'w', 4367, 337], [1273, 'c', 'F', 'F', 923, 8087, 'M', 5271, 1857, 'W', 'o', '8659', 'b', 'v', '6357', '4601', 'p', '8343', 'L', '5059', 'a', 'd', 'Z', 'g', 'o', 2841, 7077, 'O', 43, 'u', 'X', 'K']