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

[9711, 6103, 3531, 3623, 'u', '6995', 'R', 'p', 'p', 'p', '8519', '4447', 'b', 6001, 'b', 2477, 'd', 'y', 'C', 9605], ['j', 'P', 'W', 9073, 'u', '6995', 'R', 'p', 'p', 'p', '8519', '4447', 'X', 8365, 9899, 'H', 'T', 4049, 'Z', 'w']
u, 6995, R, p, p, p, 8519, 4447

['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

[2447, 6831, 5507, 'g', 1761, 'f', 3413, 1719, 'c', 4043, 'U', 3239, 59, 'G', 'P', 'l', 'L', 611, 7673, 7103, 3277, 'l', 'y', 'F', 's', 'x', 'd', '5879', '6151', 'f', 'n', 'i', '1887', 'Z', '793', '3439', 'p', 'c', 'c', '483', '7103', 'F', '5557', 'b', 'r', '6865', 'n', '9163', 'V', '4991', 'B', 'l', 8573, 6291, 4557, 'v', 'G', 'f', 'K'], [3799, 'I', 1933, 'M', 7691, 9873, 's', 6051, 9681, 1333, 'X', 'z', 3967, 3019, 8191, 3531, 8503, 6189, 565, 'Y', 'Z', 's', 'x', 'd', '5879', '6151', 'f', 'n', 'i', '1887', 'Z', '793', '3439', 'p', 'c', 'c', '483', '7103', 'F', '5557', 'b', 'r', '6865', 'n', '9163', 'V', '4991', 'D', 'k', 6581, 'r', 'r', 'Z', 't', 'w', 3455, 'y', 'k', 'X', 'Q', 6929, 10003, 'N', 8555]

s, x, d, 5879, 6151, f, n, i, 1887, Z, 793, 3439, p, c, c, 483, 7103, F, 5557, b, r, 6865, n, 9163, V, 4991