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

Ex Input:
['R', 'r', 153, 'P', 1715, 757, 'K', 685, 1275, '9653', '3305', '853', 's', 'f', 'y', 'v', 'd', 'E', '4893', '9515', 'O', '9527', 'R', 'C', '8621', 'P', 'O', 's', '1455', '5259', '5561', '5147', 'G', 'e', 'l', 8075, 'x', 3879, 'g', 1215, 2387, 'E', 9305, 'L', 't', 'B', 7409, 7623, 7913], ['A', 'P', 'm', 5825, 'S', 2069, 7235, 4509, 'K', 6535, 979, 'f', 9051, 2423, 'R', 'l', 'q', 9429, 'l', 803, 'j', 2081, 5321, '9653', '3305', '853', 's', 'f', 'y', 'v', 'd', 'E', '4893', '9515', 'O', '9527', 'R', 'C', '8621', 'P', 'O', 's', '1455', '5259', '5561', '5147', 'G', 'e', 'z', 9157, 5891, 'g', 'z', 707, 4039, 293, 'S', 'B', 'b', 2399, 'l', 1277, 'F', 3399, 1459]

Ex Output:
9653, 3305, 853, s, f, y, v, d, E, 4893, 9515, O, 9527, R, C, 8621, P, O, s, 1455, 5259, 5561, 5147, G, e


Ex Input:
[5179, 's', 7203, 4301, 3441, 'k', 'P', 't', 'r', 3027, 's', 3809, 'u', 'S', 'h', 5087, 'z', 'a', 'b', '3333', '6041', '2765', 'q', '9485', '7697', 'E', '509', 'Q', '1573', '4879', '1197', '4515', 'k', 'c', 'z', 'V', 'l', 521, 9401, 3845, 6245, 3437, 'w', 'u'], ['u', 4399, 'R', 'v', 'x', 1061, 7505, 'r', 8411, 'o', 9285, 477, 3823, 'O', 'B', 2731, 5879, 'a', 'b', '3333', '6041', '2765', 'q', '9485', '7697', 'E', '509', 'Q', '1573', '4879', '1197', '4515', 'k', 'c', 'G', 9613, 8995, 3881, 'i', 'G', 't', 2473, 1297, 7481, 'v', 'a', 7607, 1147, 3263, 'p']

Ex Output:
a, b, 3333, 6041, 2765, q, 9485, 7697, E, 509, Q, 1573, 4879, 1197, 4515, k, c


Ex Input:
[3937, 'R', 'H', '3517', '1845', 'Y', '8999', '7003', '6677', '8517', 'k', 'W', '5321', '5817', 's', '271', '4109', 'o', 5471, 's', 8751, 2307, 4959, 2645, 7227, 3355, 'Z', 'c', 'D', 1155, 'W', 'T'], ['V', 'B', 'z', 2111, 'H', '3517', '1845', 'Y', '8999', '7003', '6677', '8517', 'k', 'W', '5321', '5817', 's', '271', '4109', 'b', 8675, 9843, 'v', 'n']

Ex Output:

H, 3517, 1845, Y, 8999, 7003, 6677, 8517, k, W, 5321, 5817, s, 271, 4109