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

[4961, 'H', 9957, 'w', 'K', 'Y', 3375, 'S', '3191', '4439', 'C', '1965', '2787', '4507', 'y', 2753, 2989, 6093, 7091, 8043, 'c'], [9279, 'S', 6127, 5845, 237, 'S', '3191', '4439', 'C', '1965', '2787', '4507', 'w', 9497, 'K', 2297]
S, 3191, 4439, C, 1965, 2787, 4507