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

['d', 897, 't', 1807, 'k', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'z', 'c'], [2741, 'D', 5443, 'Z', 'k', 129, 3339, 'k', 'T', 'P', '5013', '1811', '9411', 'U', 'z', '2793', '3221', '5643', 'j', '1793', '9507', 'J', '6147', 'i', '4383', '723', 'd', 4353]
P, 5013, 1811, 9411, U, z, 2793, 3221, 5643, j, 1793, 9507, J, 6147, i, 4383, 723

[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]
3783, n, k, 327, t, 9871, 233

['x', 243, 'e', 'n', 9467, 'I', 'L', 4575, 'i', '6569', '381', 'I', '2155', '7785', 'e', 't', '5963', '5557', '2339', 'G', 'n', 'k', 905, 'W', 'J', 9685, 'h'], [5785, 'i', 'i', 'M', 4053, 933, 2435, 'k', 'h', '6569', '381', 'I', '2155', '7785', 'e', 't', '5963', '5557', '2339', 'k', 'W', 2759]

6569, 381, I, 2155, 7785, e, t, 5963, 5557, 2339