In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3411, 'c', '777', '9343', '9695', '7193', '9623', 'W', '9261', '7651', 'C', 1929, 6529, 803], [9101, 's', 9687, 4431, 'w', 6657, 'h', '777', '9343', '9695', '7193', '9623', 'W', '9261', '7651', 'b', 111, 'l', 't', 1583, 'R']