In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['H', 'I', 'd', 9867, 'Z', 6973, 'C', 'r', 8159, 'c', 'B', 8115, 8795, 'h', 'h', 'S', 'D', '63', 'A', '605', '7367', 'H', '949', '3317', 'm', 'd', 'W', 'g', 'b', '3303', 'g', 'l', 'W', 'M', 'K', 'n', 4237, 'X', 'y', 'x', 'd', 8009, 115, 1043], ['l', 1191, 'v', 1501, 'g', 4733, 'x', 6083, 'p', 8115, 5195, 7293, 'C', 'J', 'u', 'h', 'h', 'S', 'D', '63', 'A', '605', '7367', 'H', '949', '3317', 'm', 'd', 'W', 'g', 'b', '3303', 'g', 'l', 'k', 9109, 'R']