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

['v', 1629, 't', 'y', 'R', 'k', 10021, 7155, '7241', '8007', 'N', '4295', 'O', '6233', '6893', '3293', 'J', '789', '85', '2423', 'o', 3491, 'z', 'i', 6959, 865], ['Q', 5541, 6301, '7241', '8007', 'N', '4295', 'O', '6233', '6893', '3293', 'J', '789', '85', '2423', 'D', 3297, 8731, 8807, 99, 'h', 3177, 2689, 'H', 'u', 'S', 833]
7241, 8007, N, 4295, O, 6233, 6893, 3293, J, 789, 85, 2423

['h', 'L', 2481, 8463, 1309, '7587', '521', 'a', '1617', '5245', '5629', '9977', 'o', 'I', 4133, 't', 'i'], ['P', 5497, '7587', '521', 'a', '1617', '5245', '5629', '9977', 'I', 2251, 'p', 's', 'n', 'k', 8259]
7587, 521, a, 1617, 5245, 5629, 9977

[9091, 8811, 7791, 'u', 8817, 'M', 'F', 'H', '6123', 'a', '9975', 'a', '5025', 'l', 'I', '7127', '7801', '8587', '1705', '4819', 'y', 'j'], ['G', 'x', 4915, 9827, 'Q', 'f', 9417, 6117, 607, 'X', 2317, '6123', 'a', '9975', 'a', '5025', 'l', 'I', '7127', '7801', '8587', '1705', '4819', 'u', 3999, 'P', 7217, 'j', 'F', 'E', 7675]

6123, a, 9975, a, 5025, l, I, 7127, 7801, 8587, 1705, 4819