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

['k', 'l', 3761, 9679, 'Y', 'l', '1953', '7925', '8115', '5243', 'Y', '3939', '1231', 'Q', 'u', 5953, 5571, 'N'], [8981, 8379, 'h', 9701, 759, 'd', '1953', '7925', '8115', '5243', 'Y', '3939', '1231', 'l', 5705, 'P', 4009, 1189]
1953, 7925, 8115, 5243, Y, 3939, 1231

[875, 'U', 'g', 'q', 'H', 2847, 'f', '6811', 'B', '7549', 'K', 'r', 'V', 'x', 'P', 'X', '2469', '3845', 'W', 'e', 'n', 5885, 'w', 3345, 4693, 'H', 7789, 'y', 'j', 'e'], ['V', 'j', 6713, 2923, 'y', 6205, 'm', 5961, 9023, '6811', 'B', '7549', 'K', 'r', 'V', 'x', 'P', 'X', '2469', '3845', 'W', 'y', 7427, 5987]
6811, B, 7549, K, r, V, x, P, X, 2469, 3845, W

['L', 9623, 5997, 3117, 'E', '3879', '3015', '7549', '3515', 'B', '7983', 'S', '647', '4799', 'e', 'b', 'f', '2841', 'a', 'g', '9993', '6955', 'S', '9361', 'O', 6159, 8047, 'A', 'k', 2903, 9269, 4717, 'b', 7295], [3469, 6715, 'W', 8963, 3391, 6951, 'Z', 2615, 'I', 4259, 'e', 'f', 'g', 'E', '3879', '3015', '7549', '3515', 'B', '7983', 'S', '647', '4799', 'e', 'b', 'f', '2841', 'a', 'g', '9993', '6955', 'S', '9361', 'y', 'q', 'P', 9015, 'N', 2987, 'J', 'h', 'S', 9949, 'a', 'H', 'A', 1917, 'z', 'z', 1677, 2167, 4205]

E, 3879, 3015, 7549, 3515, B, 7983, S, 647, 4799, e, b, f, 2841, a, g, 9993, 6955, S, 9361