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:
[675, 'N', '7605', 'W', 'J', 'E', '2099', 'I', 'i'], ['T', 8995, 'E', 'U', '7605', 'W', 'J', 'E', '2099', 'R', 3629, 977]

Ex Output:
7605, W, J, E, 2099

Ex Input:
[8237, 'S', 'm', '5385', '1751', '7791', 'G', '5455', 'H', '2341', 'P', '69', '2165', '6187', '879', 'c', 'Z', 'D', 'O', 105], ['O', 'X', 1691, '5385', '1751', '7791', 'G', '5455', 'H', '2341', 'P', '69', '2165', '6187', '879', 'c', 'Z', 'F', 5495, 'v', 1481, 'a', 'h', 'q', 7049, 4127, 'z', 9519, 7757]

Ex Output:
5385, 1751, 7791, G, 5455, H, 2341, P, 69, 2165, 6187, 879, c, Z