In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7285, 'D', 7125, 8431, 8703, 4945, 'K', 'G', 7021, 9819, '3741', '9113', 'x', '5353', '3413', 'J', 'W', 'h', 'c', 'f', 'I', 'a', 'k', 'Y', 'j', '10013', '6665', 'g', 'g', 'M', '9681', '3051', 'O', 'H', 'm', 907, 'r', 9093, 'T'], ['s', 2409, 'm', 4247, 8817, '3741', '9113', 'x', '5353', '3413', 'J', 'W', 'h', 'c', 'f', 'I', 'a', 'k', 'Y', 'j', '10013', '6665', 'g', 'g', 'M', '9681', '3051', 'O', 'H', 7881, 'j', 6445, 'Y', 1151, 's', 827, 8805, 'l', 'g', 'l', 'H']