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

Ex Input:
[621, 7677, 'b', '889', '6721', 'H', 'd', 'S'], [8151, 'F', 'b', '889', '6721', 'h', 4123]

Ex Output:
b, 889, 6721


Ex Input:
[2975, 3781, 'D', 'd', 'K', 4033, '3783', 'n', 'k', '327', 't', '9871', '233', 's', 'e', 'P', 3411, 'J', 'e'], [4339, 2811, '3783', 'n', 'k', '327', 't', '9871', '233', 'l', 'f', 4263, 7913]

Ex Output:
3783, n, k, 327, t, 9871, 233


Ex Input:
[2099, 939, 'y', 'I', 'U', 'O', 'E', 5951, 7413, 8757, '5433', '8269', 'p', 'm', '5679', 'y', 'Q', 't', '1597', 'T', '9655', '7965', '119', '4477', 'E', '6921', '8085', '6325', '3239', '9199', '7377', '7587', '4345', '7083', 's', 'f', 'K', 3803, 4967, 563, 7919, 'N', 893, 'O', 9057, 9643, 6049, 5883, 'B', 2295, 9573, 'B', 'E', 'X', 'Q', 'E', 'v', 9183, 4751, 'x', 'G', 4275], ['b', 'v', 's', 3061, 2679, 7305, 811, 8829, 'u', 8371, 5711, 7343, 6441, 'Z', 2727, 9737, 'O', '5433', '8269', 'p', 'm', '5679', 'y', 'Q', 't', '1597', 'T', '9655', '7965', '119', '4477', 'E', '6921', '8085', '6325', '3239', '9199', '7377', '7587', '4345', '7083', 's', 'f', 'L', 'e', 'e', 'Q']

Ex Output:

5433, 8269, p, m, 5679, y, Q, t, 1597, T, 9655, 7965, 119, 4477, E, 6921, 8085, 6325, 3239, 9199, 7377, 7587, 4345, 7083, s, f