TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['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]

SOLUTION: 1953, 7925, 8115, 5243, Y, 3939, 1231

PROBLEM: [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']

SOLUTION: u, 6995, R, p, p, p, 8519, 4447

PROBLEM: [7087, 'O', 'm', 'x', 's', '6389', 'P', 'H', '5367', 'R', '8535', 'A', '4539', 'b', 'K', 'c', '7589', '7439', '4319', 'C', 'p', 'l', 's', '5089', '7169', '6165', '5805', 'M', '2245', 'X', 'X', 'W', 'C', 3049, 1519, 1177, 291, 't', 'n', 4175], ['u', 'x', 'n', 7347, 8973, 'i', 3725, 'y', 'I', 'M', 'h', 'P', 'v', 'x', 's', '6389', 'P', 'H', '5367', 'R', '8535', 'A', '4539', 'b', 'K', 'c', '7589', '7439', '4319', 'C', 'p', 'l', 's', '5089', '7169', '6165', '5805', 'M', '2245', 'X', 'X', 'S', 6141, 2945, 'D', 2975, 'F', 'N', 'N']

SOLUTION:
x, s, 6389, P, H, 5367, R, 8535, A, 4539, b, K, c, 7589, 7439, 4319, C, p, l, s, 5089, 7169, 6165, 5805, M, 2245, X, X