In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['F', 'Y', 6099, '4729', 'm', 'Q', '7179', '959', 'I', '9333', '491', 'a', 'm', '1089', '3521', 'Q', 'F', 'T', 'j', 7443, 3311, 'm', 'k', 6357], ['u', 5773, 'O', 'u', 1051, 6313, 1233, 127, 7789, 'D', 3171, '4729', 'm', 'Q', '7179', '959', 'I', '9333', '491', 'a', 'm', '1089', '3521', 'J', 9947, 3653, 'h', 2909, 485, 'D', 'b', 6139, 'h', 9015]