In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[6445, 'O', 'o', '1803', 'o', 'A', 'u', 'q', 'z'], ['Q', 9741, '1803', 'o', 'A', 'a', 'Q', 3599]
1803, o, A