TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [6559, 2255, 'n', '9599', '4415', 'B', 3911, 4867], ['A', 6419, 'n', '9599', '4415', 'T', 'n', 3281]

SOLUTION: n, 9599, 4415

PROBLEM: ['A', 'f', 's', 619, 'P', '6773', '2907', 'j', 'Y', '3815', '5619', '3681', '1259', 'k', 'k', 'p', '7817', 'e', '1227', 'T', '7201', 'o', 'o', 'W', 'U', 'E', '4881', 'h', '9013', '8427', 'W', 'B', '5309', 'V', 'L'], [7877, 9179, 'B', 'F', 'e', 4663, 'd', 7957, 'F', 'F', 'k', 'f', 8559, 'U', '6773', '2907', 'j', 'Y', '3815', '5619', '3681', '1259', 'k', 'k', 'p', '7817', 'e', '1227', 'T', '7201', 'o', 'o', 'W', 'U', 'E', '4881', 'h', '9013', '8427', 'W', 'B', '5309', 'J', 'R', 't', 'J', 'D', 'U', 'x', 'G', 'y', 'L', 7841, 'g', 's', 8385, 1631, 'Z', 6679, 4419, 'Y', 9253, 3709, 'E', 'a']

SOLUTION: 6773, 2907, j, Y, 3815, 5619, 3681, 1259, k, k, p, 7817, e, 1227, T, 7201, o, o, W, U, E, 4881, h, 9013, 8427, W, B, 5309

PROBLEM: [9599, 347, 5465, 2521, 'l', 7587, 1433, 9069, 'Y', 'k', 'x', '5321', '3011', 'c', '2983', '1547', 'c', '5851', 'h', 's', 't', '9657', '2727', 'U', 4717, 'l', 'z', 1227, 683, 2443, 'X', 4291, 1835, 287], [8039, 'M', 7003, 'z', 'D', 'x', '5321', '3011', 'c', '2983', '1547', 'c', '5851', 'h', 's', 't', '9657', '2727', 'u', 6283, 'z', 9255, 5459, 7683, 'C', 8413, 7431, 'J', 3347]

SOLUTION:
x, 5321, 3011, c, 2983, 1547, c, 5851, h, s, t, 9657, 2727