TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6475, 9471, 3883, 'k', 3715, 'h', '4275', '3019', '9711', 'd', '7655', 'j', 'Y', 'H', 'f', '3135', '9479', 'K', 'E', 'J', '9713', '6953', 's', 'g', 'G', 9013, 1643, 619, 'b', 'k', 'z', 'd', 'w', 'E', 7989, 'o', 'C', 'Y'], [3391, 's', 5761, 9389, 6131, 'a', 1723, 451, 4781, 'S', 8389, 'l', 'P', 'h', '4275', '3019', '9711', 'd', '7655', 'j', 'Y', 'H', 'f', '3135', '9479', 'K', 'E', 'J', '9713', '6953', 'D', 7661, 885, 'J', 7381, 2713, 1355, 451, 'N', 'P', 'T', 5127, 8301, 1891, 9947, 'x', 7295]

SOLUTION: h, 4275, 3019, 9711, d, 7655, j, Y, H, f, 3135, 9479, K, E, J, 9713, 6953

PROBLEM: [6921, 9035, 1815, 'T', 7393, 6607, 'D', 'c', 293, 'U', 4409, 4737, 3515, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'o', 'a', 'M', 7035, 'v', 4907, 'l', 9767, 9189, 6353, 2883, 'F', 'x', 7665, 6801, 'x', 'J', 'G', 5361, 'f', 'Y', 'u', 'K', 'c', 1779, 1115], [587, 779, 525, 'i', 's', 4247, 5713, 'I', 'a', '839', 'q', 'n', '2571', '5999', 'L', 'k', '9745', '9023', '7365', 'C', '2893', 'n', '7783', 'E', '5071', 'Z', '3647', 'f', '7281', '8791', 'U', 't', '3969', '2029', 'i', 'u', 4957, 'c', 'k', 5231, 'i', 'T', 'q', 'd']

SOLUTION: I, a, 839, q, n, 2571, 5999, L, k, 9745, 9023, 7365, C, 2893, n, 7783, E, 5071, Z, 3647, f, 7281, 8791, U, t, 3969, 2029, i

PROBLEM: [8257, 6109, 6657, 7039, 4349, 8219, 'D', 'I', 2141, 2209, 6415, 4837, 'J', 'v', 'U', 9885, 'g', 's', 2879, 'v', 'T', 'u', 'A', '9239', 's', '6937', 'Q', 'C', 'E', '7851', '4793', 'Q', '431', 'T', 'Y', 'G', '1379', '6121', 'V', '9361', 'P', 'D', '8069', '3435', '5141', '4169', '3275', '137', 'U', 3455, 6365, 'Y', 313, 'C', 'S', 2441, 'v', 'I', 'x'], [1789, 'h', 5677, 'D', 6071, 'R', 6857, 'n', 6263, 'y', 'A', '9239', 's', '6937', 'Q', 'C', 'E', '7851', '4793', 'Q', '431', 'T', 'Y', 'G', '1379', '6121', 'V', '9361', 'P', 'D', '8069', '3435', '5141', '4169', '3275', '137', 'Q', 'z', 'r', 'x', 3275, 6511, 'p', 'p', 'y', 'w']

SOLUTION:
A, 9239, s, 6937, Q, C, E, 7851, 4793, Q, 431, T, Y, G, 1379, 6121, V, 9361, P, D, 8069, 3435, 5141, 4169, 3275, 137