In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['D', 'V', 4027, 'L', 145, 'u', '7529', '4607', 'G', '8335', '3003', '4323', '831', 'z', 3627, 2785], [5633, 's', 7165, 3239, '7529', '4607', 'G', '8335', '3003', '4323', '831', 'a', 7557]