In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 'l', 'u', 'Q', 'I', 'V', 'a', 'q', 'Z', 'E', 'X', 'L', 445, 'c'], ['r', 'L', 'V', 'a', 'q', 'Z', 'E', 'w', 1221]