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

Ex Input:
[2787, 'N', 'I', 'M', 'x', '3825', 'r', '1041', 'y', 'a', 'v', 6057], ['F', 6523, 'x', '3825', 'r', '1041', 's', 'C', 3001, 8425]

Ex Output:
x, 3825, r, 1041


Ex Input:
[5625, 6017, 'd', 'p', '4423', '77', 'E', '5271', 'A', 1553, 'c'], ['U', 1615, 'u', 'd', 'p', '4423', '77', 'E', '5271', 'x', 'w', 'Y']

Ex Output:
d, p, 4423, 77, E, 5271


Ex Input:
['P', 'h', 9391, 'u', 9757, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'p', 7959, 'F'], [1713, 2679, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'V', 'r', 't', 'f', 8179]

Ex Output:

y, a, j, k, Y, 2091, U