TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [8827, 'K', 7387, 7215, 'Y', '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'y', 'R', 7083, 'U', 3361, 'u', 'b', 'M', 5833, 'D', 7509, 'D'], ['Y', 4615, 'l', 2547, '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'b', 'W', 3225, 291, 2681, 'Z', 'k', 8059, 'A', 7261, 4877, 2019, 'g', 4621, 4541, 3343, 997, 6091, 5577, 'q']

SOLUTION: 4759, V, l, 5621, 391, V, 6741, O, 3153, 4133, 2785, 8699, 9719, 1445, 487, m, 3969, u, u, 8779

PROBLEM: [7231, 2153, '3257', '3693', 'P', 3291], [1543, 6411, '3257', '3693', 'G', 'k']

SOLUTION: 3257, 3693

PROBLEM: [3515, 2869, 'x', 'C', 'f', 'R', 'I', '4601', '725', '1733', 'a', 'U', 'w', 'w', '9547', '813', '6517', 'i', 'W', 'x', 'w', 8987, 'w', 'E', 1353, 'o', 'R', 'X', 'B', 641, 's', 1039, 2617, 'w'], [6879, 2561, 'd', 'j', 'x', 'C', 'f', 'R', 'I', '4601', '725', '1733', 'a', 'U', 'w', 'w', '9547', '813', '6517', 'i', 'W', 'x', 'V', 429, 251, 9833, 'M', 3223, 8197, 'n', 5719, 4283, 'k']

SOLUTION:
x, C, f, R, I, 4601, 725, 1733, a, U, w, w, 9547, 813, 6517, i, W, x