TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [2803, 'l', 8379, 'r', 'b', 2363, 'P', 'K', 's', 3999, 't', 167, 'N', '9089', '4973', '7373', '8759', 'W', 'r', '6259', '9427', 'c', 'Q', '2311', '5829', 'O', '7913', '1539', 'r', 'e', 'd', '9025', 'M', 7681, 'e', 'm', 'a', 1365, 'm', 'm', 'v', 'P', 'M', 3649, 7257, 'q', 9843, 831, 'U', 'b'], ['A', 'm', 9121, 'h', 'p', 'k', 'P', 4077, 'd', 3595, 1689, 'D', 'C', 'l', 'I', 'Y', 'N', '9089', '4973', '7373', '8759', 'W', 'r', '6259', '9427', 'c', 'Q', '2311', '5829', 'O', '7913', '1539', 'r', 'e', 'd', '9025', 'K', 2849, 'i', 'K', 'N', 'u', 1811, 967, 2799, 'u', 'C', 637, 1911, 6151, 'L']

SOLUTION: N, 9089, 4973, 7373, 8759, W, r, 6259, 9427, c, Q, 2311, 5829, O, 7913, 1539, r, e, d, 9025

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: ['b', 2833, 'Y', 'c', 8791, 'k', 7327, 6717, 3525, 477, 'i', '5477', 'b', 'x', 'x', '1993', 'T', 'V', '5741', 'w', 'x', 'G', 'z', 'c', 'I', 4139, 5383, 'Q', 'd', 'Z', 8751, 1835, 7427, 5457], ['E', 5439, 7047, 4531, 'X', 'k', 157, 'M', 8961, 5663, 8437, 2927, 'L', '5477', 'b', 'x', 'x', '1993', 'T', 'V', '5741', 'w', 'x', 'G', 'z', 'c', 'M', 'h', 'J', 'f', 6461, 'Y', 'e', 'w', 5537, 3965, 'B', 'b', 2339]

SOLUTION:
5477, b, x, x, 1993, T, V, 5741, w, x, G, z, c