In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Y', 'B', 'e', 'E', 'x', 7089, 'h', 'j', 'P', '9283', '3079', '5905', 'Y', '8529', '3253', 'R', 'a', '3789', '6911', '2709', '8331', '6773', 'R', 'M', 7261, 4683, 4259], [8081, 'i', 489, 'X', 'P', 4423, 8599, 'n', 'V', 'O', 'D', 'j', 'P', '9283', '3079', '5905', 'Y', '8529', '3253', 'R', 'a', '3789', '6911', '2709', '8331', '6773', 'l', 'n', 6619, 9053, 'Q', 9267, 'S', 'b', 'K']