In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['f', 'l', 'r', 'V', 6119, 'S', 1655, 361, 'J', 'M', 'g', 6701, 'T', 't', 'F', 'd', 7695, 'U', 9955, '5319', '4029', '6467', '9849', 'Q', 'u', 'j', 'u', 's', 'e', 'g', 'z', '9949', 'm', '7023', '621', '1497', '2365', '6301', '6653', 'C', 'T', 'j', 'B', 'q', 'm', 't', '4641', 'P', 5007, 649, 'C', 'h', 2619, 'Q', 't', 7887, 'e', 'D', 'X', 'y', 2367, 671, 2877, 'M', 6001, 'I', 'H', 'y'], [3737, 2977, 8489, 8953, 'M', 3411, '5319', '4029', '6467', '9849', 'Q', 'u', 'j', 'u', 's', 'e', 'g', 'z', '9949', 'm', '7023', '621', '1497', '2365', '6301', '6653', 'C', 'T', 'j', 'B', 'q', 'm', 't', '4641', 'R', 7265, 'Y', 'B', 1041, 3915, 2233, 2711, 't', 'F', 4271]