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

Ex Input:
['o', 'f', '955', 'y', 'O', 2181], ['M', 'l', '955', 'y', 'h', 5209]

Ex Output:
955, y


Ex Input:
['U', 3417, 5169, 'r', 's', 2909, 3363, 'x', 8463, 9703, 3041, 'e', 4997, 1689, 'Y', 'y', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'G', 2185, 'I', 'D', 'U', 2889, 6837, 'B', 'x', 2775, 'I', 3053, 1801], [525, 'd', 'K', 'T', '53', '8895', '1117', '4025', 'v', '1689', 'e', 'V', 'k', '2673', '5425', 'c', 'p', '8235', 'Q', 'z', 9959, 'H', 1865, 'M', 8529]

Ex Output:
T, 53, 8895, 1117, 4025, v, 1689, e, V, k, 2673, 5425, c, p, 8235, Q


Ex Input:
['A', 'x', 8839, 'X', 5037, 'o', 'c', '2293', '5289', 'w', 'i', '9455', '559', 'X', '531', 'H', 'I', 'B', 'c', '6499', 'i', '1241', '1511', '9197', 'K', '7459', 'l', '1001', 'x', 'g', '1887', 'n', 'o', 'B', 'n', 'P', 'M', 5381, 'd', 5445, 3285, 1333, 'K', 'j', 2269, 't', 'u', 'P', 1967, 379, 'v', 7053, 8757, 3771, 'O'], [6427, 'D', 'F', 'U', 's', 867, 9297, 'o', 4413, 8943, 'p', 4659, 'p', 'g', 'Z', 7391, 4011, 'E', 6307, 'x', 7313, 4071, 443, 'q', 3041, 489, 6609, 'c', '2293', '5289', 'w', 'i', '9455', '559', 'X', '531', 'H', 'I', 'B', 'c', '6499', 'i', '1241', '1511', '9197', 'K', '7459', 'l', '1001', 'x', 'g', '1887', 'n', 'o', 'B', 'x', 'K', 5153, 171, 825, 'V', 605, 705, 'B', 45, 6307, 1081, 'T']

Ex Output:

c, 2293, 5289, w, i, 9455, 559, X, 531, H, I, B, c, 6499, i, 1241, 1511, 9197, K, 7459, l, 1001, x, g, 1887, n, o, B