In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 'v', 661, 'h', 4981, 'd', 's', 5813, 'l', 'p', 'c', 'T', '4075', '7637', '5723', 'T', 'v', '9589', 'U', 'g', 'J', '545', 'x', 'Z', 'w', '1359', 'T', '9301', 'r', 'B', '1415', 'F', 7607, 4989, 'x', 5355, 'V', 9325, 'd', 3531, 'q'], ['O', 9255, 5885, 8671, 6555, 'S', 'u', 'd', 'p', 2635, 5575, 'J', 1865, 'l', 1213, 3019, 6997, '4075', '7637', '5723', 'T', 'v', '9589', 'U', 'g', 'J', '545', 'x', 'Z', 'w', '1359', 'T', '9301', 'r', 'B', '1415', 'z', 'T', 4889, 'U', 'V', 4833, 'r']