In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 'g', 'J', 'G', 'm', 3779, 2885, 4007, 'z', 1883, 'I', 'P', 'q', 265, 'K', 7653, 1415, 'P', 'U', 'N', 'n', 'T', 'k', '1251', '5707', '6691', 'W', 'X', 'P', 'L', '9411', 'y', '7457', '9547', '2767', 'B', '2705', '1961', 'H', '8629', 'o', 'F', 'i', 'x', 8035, 9325, 3303, 'Q', 8447, 'n', 5647, 5117, 'y', 'W', 'h', 'H', 5679, 1409, 6745, 4797], ['H', 6183, 1251, 6035, 3911, 'C', 'S', 7005, 'r', 'B', 5013, 'U', 'L', 8057, 473, 933, 6355, 'l', 'J', 'T', 'k', '1251', '5707', '6691', 'W', 'X', 'P', 'L', '9411', 'y', '7457', '9547', '2767', 'B', '2705', '1961', 'H', '8629', 'o', 'F', 'h', 'b', 1691, 643, 9183, 'Z', 113, 9089, 3557, 'M', 7319, 6269, 'X', 't', 'e', 'w', 5621, 7225, 7743, 'm', 'l']