In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[233, 'M', '9129', '9657', '1927', '8243', '225', 'C', 'h', 'V', 'b', 't', 'N', 'f'], ['H', 'B', 7957, 835, 'I', '9129', '9657', '1927', '8243', '225', 'C', 'F', 'g']