TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['N', 3679, '5181', 'q', 'c', 'W', 'r', 'l', 399], ['f', 6419, 5567, 'L', 'c', '5181', 'q', 'c', 'W', 'r', 'd', 8123, 3981, 'D', 'W']

SOLUTION: 5181, q, c, W, r

PROBLEM: ['t', 3815, '7171', 'I', 'm', '3035', 'a', 'V', 2889, 'm'], [5911, 4525, 'R', 133, '7171', 'I', 'm', '3035', 'P', 'W', 'f', 4045]

SOLUTION: 7171, I, m, 3035

PROBLEM: ['G', 4821, 'V', 807, 'J', '945', 'T', '4969', 'S', 'W', '4505', '3571', '6095', 'L', '9707', 'r', 'b', 'q', 4619, 5289, 3419, 'r', 8343, 9137, 1309, 'D', 'Q'], [7707, 5883, 2197, 7265, 'p', 'C', 1377, 'F', 'j', 4881, '945', 'T', '4969', 'S', 'W', '4505', '3571', '6095', 'L', '9707', 'r', 'b', 'S', 253, 3787, 3169, 'E', 'L']

SOLUTION:
945, T, 4969, S, W, 4505, 3571, 6095, L, 9707, r, b