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

[5703, 'd', 2573, 'V', 9273, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 'Z', 'J', 'C', 'O', 6077, 1125, 1345, 8989], ['f', 59, 8449, 5387, 8075, 9721, 5271, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 2375, 3141, 'Z', 'Y', 'N']
7133, O, 6191, 6151, 5017, c, b, 1721

[6559, 2255, 'n', '9599', '4415', 'B', 3911, 4867], ['A', 6419, 'n', '9599', '4415', 'T', 'n', 3281]
n, 9599, 4415

['z', 'F', 'H', 'E', 1495, 'u', 't', 'm', 'o', '1165', 'b', 75, 'B'], ['n', 'H', 'M', 'j', 3999, 'u', 't', 'm', 'o', '1165', 'r', 'x', 'W']

u, t, m, o, 1165