In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3071, 7149, 'Y', 6425, 7389, 1217, 'Q', 'n', 'D', 'I', 1173, 'N', 8175, '6275', 'T', '9991', '5931', '3021', 'i', '8229', 'q', 'O', '7439', 'f', 'r', '9067', 'g', 'H', '9505', '6573', 'a', 'F', '433', 'y', '8093', 'I', 'D', 'P', 'N', '2849', '4001', '7987', 'K', 7279, 3243, 'v', 8259, 6691], ['l', 6469, 'h', 'Q', 'Z', 7059, 'U', 'k', 7509, 'M', 1635, 'P', 'a', 4789, 7511, 'b', 'Z', 'g', 'e', 'r', 'H', 5171, 'I', 321, 'y', 6357, '6275', 'T', '9991', '5931', '3021', 'i', '8229', 'q', 'O', '7439', 'f', 'r', '9067', 'g', 'H', '9505', '6573', 'a', 'F', '433', 'y', '8093', 'I', 'D', 'P', 'N', '2849', '4001', '7987', 'p', 'a', 'l', 'a', 'Z', 2577, 8465, 1747, 'C', 3025, 'V', 1429, 5371, 'J', 'X', 7821, 8893, 797, 'v', 7067, 'u', 'F', 'i', 743, 'y', 'e']