In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['P', 1713, 'c', 'W', 6263, 'o', 2519, 3203, 1497, 2441, 3521, 4791, 6075, 6459, 9285, 'W', 5429, '841', 'V', '2981', 'f', 'D', '5111', 'M', '9999', '79', '4645', '1123', '8765', '8787', '4591', '8785', 'Q', '5393', 'q', 'V', 'O', 'Q', 'u', '10013', '7435', 'o', 4015, 'd', 'e', 4761, 6165, 'e', 661, 'W', 9393, 6973, 9707, 'm', 'u', 9727, 'q', 8983, 1225, 7817, 'e', 'U', 1165, 4195], [5179, 'z', 'd', 6811, 'v', 4703, 'F', 9301, '841', 'V', '2981', 'f', 'D', '5111', 'M', '9999', '79', '4645', '1123', '8765', '8787', '4591', '8785', 'Q', '5393', 'q', 'V', 'O', 'Q', 'u', '10013', '7435', 'Z', 5331, 1741, 'g', 'P', 3371, 6685]