TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [2657, 9739, 's', 't', 9269, 'G', 'j', 'R', 'l', 119, 'V', 2753, 'V', 5255, 7821, '1931', '6905', 'u', '6137', '7665', '7679', '7019', 'O', 'F', 'i', 'u', 'L', 'e', 'E', 'G', '8939', 'n', 'Y', 't', 2565, 'c', 'G', 701, 'x'], ['x', 'K', 8907, 9149, 'A', 6585, 't', 7561, 5293, 'j', 9499, 3181, 8867, 'C', 'P', '1931', '6905', 'u', '6137', '7665', '7679', '7019', 'O', 'F', 'i', 'u', 'L', 'e', 'E', 'G', '8939', 'n', 'V', 'E', 2565, 863, 'N', 7535]

SOLUTION: 1931, 6905, u, 6137, 7665, 7679, 7019, O, F, i, u, L, e, E, G, 8939, n

PROBLEM: [6403, 3483, 'Z', 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'U', 9679, 'k', 'K', 3073, 3011, 'u', 'p', 'N', 2433, 9787, 3981, 363], ['n', 'n', 2201, 4585, 'Z', 'q', 921, 'S', 5417, 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'u', 'P', 4041, 6681, 'n', 'M', 8035]

SOLUTION: l, 1385, 5787, 7377, 9385, 1545, 1079, C, K, f, O, W, 3253, Y, 2727, 3679, C, 4251, 3803, y, p, H

PROBLEM: ['J', 'L', '1347', 'O', 'P', 509], ['y', 's', '1347', 'O', 'r', 'X']

SOLUTION:
1347, O