In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 9495, 'f', 'n', 1431, 's', '2829', 'l', 'T', '3905', 'p', '7665', '1689', '659', '7163', 'O', 7003, 625, 9135, 6669, 'V', 'f', 1699], ['k', 6223, 'm', 'c', 6383, 581, 'v', 'p', '2829', 'l', 'T', '3905', 'p', '7665', '1689', '659', '7163', 'T', 'C', 'R']