In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 4295, 'G', 'Y', 'v', 'Q', 's', 'b', 5989, 3771, 'e', 8433, 'f', 'R', 8273, 9779, 'I', 'q', 'f', '7219', 'C', '1205', '8949', '8891', 'Y', 's', 'H', 'B', 'G', '3461', 'h', 'r', '2535', 'K', 't', 'G', 4893, 'h', 7173, 's', 'n', 'B', 1019, 1183, 6629, 9845, 1095, 'N', 4899, 8545], ['M', 6575, 8751, 11, 'Y', 'b', 'e', 'K', 1093, 'G', 'I', 'q', 'f', '7219', 'C', '1205', '8949', '8891', 'Y', 's', 'H', 'B', 'G', '3461', 'h', 'r', '2535', 'K', 'Y', 'T', 'W', 'A', 'G', 2489, 'i', 't', 6099, 2409, 1583, 8703, 'u', 'Z', 'W', 'h', 9955, 'P']