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

[Q]: ['o', 'f', '955', 'y', 'O', 2181], ['M', 'l', '955', 'y', 'h', 5209]
[A]: 955, y


[Q]: [2449, 'h', 'F', 2217, 'G', 2655, 'k', 'Y', '8427', '2933', 'x', '2689', '9305', 'L', '9263', '2671', 'q', 9553, 4023, 127], [849, 7901, 'd', '8427', '2933', 'x', '2689', '9305', 'L', '9263', '2671', 'r', 'A', 'F']
[A]: 8427, 2933, x, 2689, 9305, L, 9263, 2671


[Q]: ['q', 9457, 'R', '9269', 'x', '4623', 'k', 1235], ['P', 9795, 'n', '9269', 'x', '4623', 'J', 't', 7989]
[A]:
9269, x, 4623