In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7249, 'V', 627, 4219, 'F', 'k', 2183, 4589, 9953, '2655', '2915', 'p', '6019', 'A', 'j', 'H', 'M', 'y', '7419', 'S', 'H', 'd', 'l', '1143', '8407', 'n', 'd', 'l', 'H', '4729', '5761', 'R', 'D', 7247, 3075, 4831, 5259, 525], [7323, 'F', 6863, 9427, 'R', 'S', 5155, 4367, 9829, 2933, 'b', 8133, 2465, '2655', '2915', 'p', '6019', 'A', 'j', 'H', 'M', 'y', '7419', 'S', 'H', 'd', 'l', '1143', '8407', 'n', 'd', 'l', 'H', '4729', '5761', 'P', 'B', 'O', 'z', 'o', 9537]