TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['B', 'r', 5629, 4409, 7197, 'N', 'x', 'I', '6145', 'i', 'Q', '1033', '2945', 'K', '4931', 'y', 6505, 9149, 'E', 3067, 819], [2523, 'f', 2623, 'I', '6145', 'i', 'Q', '1033', '2945', 'K', '4931', 'a', 5449, 9193, 6325, 'i', 6901, 'E']

SOLUTION: I, 6145, i, Q, 1033, 2945, K, 4931

PROBLEM: [4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]

SOLUTION: k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755

PROBLEM: [7615, 3985, 'o', 1073, 5157, 5347, '7031', '7637', '6703', '7735', '8445', '9373', 'f', 'x'], [1247, 'x', 5707, 3649, 'g', 'z', '7031', '7637', '6703', '7735', '8445', '9373', 'h', 6317, 'T', 'M', 5703, 'h']

SOLUTION:
7031, 7637, 6703, 7735, 8445, 9373