TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5269, 'q', 'b', 9461, 1715, 8909, 2865, 't', 3899, 9097, 's', 'J', 'u', 'O', 'q', '3289', '9079', 'q', '1341', 'a', '8881', 's', '1837', '4351', '5559', '43', '4733', 'y', '6455', '6219', '725', '7947', '7143', '9627', '3401', '1647', '755', 'E', 4775, 7047, 6939, 5023, 'F', 1385, 'f', 'P', 'R', 6711, 3741, 'C', 6351, 'K', 5279, 'm', 4933, 8587, 4429, 793, 5537, 'v'], ['X', 'A', 'I', 'W', 8039, 6937, 'l', 209, 6835, 'Z', 'x', 'G', 'R', 's', 'J', 'u', 'O', 'q', '3289', '9079', 'q', '1341', 'a', '8881', 's', '1837', '4351', '5559', '43', '4733', 'y', '6455', '6219', '725', '7947', '7143', '9627', '3401', '1647', '755', 'i', 'a', 'k', 5823, 'r', 'l', 'p', 'F', 5771, 'H', 7231, 't', 'c']

SOLUTION: s, J, u, O, q, 3289, 9079, q, 1341, a, 8881, s, 1837, 4351, 5559, 43, 4733, y, 6455, 6219, 725, 7947, 7143, 9627, 3401, 1647, 755

PROBLEM: [8471, 8309, 'g', 'f', 5019, 'd', 8129, 'r', 'e', 'l', 'B', '7297', 'c', '2785', '919', 'B', '5459', 'L', 5985, 2953, 6897, 'n', 9209, 3281, 'w', 4011, 't'], ['g', 7529, 'q', 6213, 'c', 'l', 6053, 'r', 'e', 'l', 'B', '7297', 'c', '2785', '919', 'B', '5459', 'B', 2159, 7633, 8707]

SOLUTION: r, e, l, B, 7297, c, 2785, 919, B, 5459

PROBLEM: ['k', 8005, 8523, 2775, 'i', 7401, 'l', 'N', '6303', '5619', '4949', 'R', 'U', 'n', '5967', '4275', '3889', 'I', '2513', '1303', 'v', 'j', 'i', 'A', 'F', 'n'], ['O', 5761, 1491, 3051, 'P', 'm', 2137, 'p', 6533, 'N', 'n', 'p', 9321, 'A', 3999, 'N', '6303', '5619', '4949', 'R', 'U', 'n', '5967', '4275', '3889', 'I', '2513', '1303', 'v', 'j', 'i', 't', 'w', 597, 'Z', 'T', 'u', 'U']

SOLUTION:
N, 6303, 5619, 4949, R, U, n, 5967, 4275, 3889, I, 2513, 1303, v, j, i