In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 9209, 'm', 'Q', 'I', 2885, 6149, 'R', 'M', 't', 'Z', 'n', 3567, '347', 'w', '2397', 'p', 'A', 'T', '4269', '5567', '2401', 'U', '2565', 'z', '539', 'f', '4655', 'K', 'W', 'W', 5799, 4277, 2751, 809, 1357, 359, 8959, 'g', 'p', 7351, 'U'], ['w', 9743, 'v', 5437, 'k', 'F', 'r', 'v', 1883, 6771, 6453, 4403, '347', 'w', '2397', 'p', 'A', 'T', '4269', '5567', '2401', 'U', '2565', 'z', '539', 'f', '4655', 'A', 'J', 565, 6845, 'p', 'S', 'P', 3917, 9507, 1173, 'R']