In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['e', 'N', 'K', 'f', 'E', 7661, 'p', 7629, 'y', 'w', 'K', 'X', 'U', 319, 'Y', 7109, 'f', 'd', 'T', '283', 'w', 'X', '1217', '6971', 'f', 'X', 'G', 'C', 'V', 'i', '9685', 'F', 's', 'I', 'Z', 'u', 769, 5797, 4589, 'N', 'b'], ['M', 5743, 'n', 'h', 'd', 9939, 6989, 'w', 7531, 9519, 'S', 'd', 'T', '283', 'w', 'X', '1217', '6971', 'f', 'X', 'G', 'C', 'V', 'i', '9685', 'F', 's', 'I', 'D', 'V', 'G', 5727, 'V', 9257, 'o', 's', 'A', 6621]