In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 637, 'a', 'z', 'M', 2237, 'K', 4047, 5767, 9645, 5539, 'j', 8385, 'S', 'a', 'j', 'o', 1857, 6841, 1399, 'o', 'l', '9365', '8451', 'p', 'w', 'p', '7063', '2655', 'u', '3719', '6463', '7319', 'e', '7273', 'J', '7869', 'w', '4389', 'm', 'o', 'y', 'N', 'y'], [4935, 'g', 'Y', 'U', 1069, 'F', 'd', 'N', 'I', 7493, 'V', 9919, 9889, 7483, 'l', 9493, 'l', '9365', '8451', 'p', 'w', 'p', '7063', '2655', 'u', '3719', '6463', '7319', 'e', '7273', 'J', '7869', 'w', '4389', 'm', 'o', 'y', 'O', 9299, 383, 'f', 3965, 'x', 2919]