In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['O', 'F', 1949, 'z', '7129', '7757', '8677', 'N', '6871', '8113', '3633', '7505', 'K', '7617', 'V', 'h', 'L', 'Q', '1195', '8507', 'i', '343', '4547', '9189', 'q', '7913', '3383', 'D', '289', 'q', 'M', 'X', 2145, 4345, 'm', 'v', 'F', 'u', 'b', 'Z', 6963, 'i', 'h', 'J', 'V', 'b', 7015, 4365, 'n', 523, 'W', 2729, 'C', 't', 'e', 'j'], [157, 'W', 7975, 6761, 'H', 1983, 'F', 's', 's', 3749, 3927, 5983, 'm', 7131, 'B', 1527, 6995, 'p', 9077, 'n', '7129', '7757', '8677', 'N', '6871', '8113', '3633', '7505', 'K', '7617', 'V', 'h', 'L', 'Q', '1195', '8507', 'i', '343', '4547', '9189', 'q', '7913', '3383', 'D', '289', 'q', 'U', 3937, 5405, 'y', 'a', 's', 135]