TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [9889, 'I', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'm', 2573, 839, 'a', 'S', 9999, 'H', 135, 1089], ['Y', 'a', 9301, 'l', 'v', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'Q', 9865, 7343, 741, 863, 'I', 'M', 'u']

SOLUTION: f, y, 3773, 4483, Y, 2325, M, 247, 8091, H, 3787, 3845, i, L, t, 6949, 6019, 5929

PROBLEM: ['K', 4691, 'I', '2495', '1015', 'L', '581', 'b', 9477], ['k', 2419, 'd', 'I', '2495', '1015', 'L', '581', 'r', 's', 6673, 5755]

SOLUTION: I, 2495, 1015, L, 581

PROBLEM: [9111, 'y', 'V', 6627, 'B', 'd', 'S', '4991', 'R', 'N', '867', 'c', '8635', '4497', 'q', 'z', '2853', '8001', '9163', '5451', '5529', 'v', 'Q', 'X', 'H', 's', 'h', 1729], [7123, 'b', 8193, 'W', 'j', 'N', 'v', 'k', 'M', 'Z', 'E', 'O', 'f', 's', 'B', 8485, 9213, 'S', '4991', 'R', 'N', '867', 'c', '8635', '4497', 'q', 'z', '2853', '8001', '9163', '5451', '5529', 'v', 'Q', 'X', 'T', 'L', 'W', 'Z', 4839, 739, 'V', 795, 'X', 'Q', 'J', 5993, 'F', 'n', 1835, 1045, 'R', 583]

SOLUTION:
S, 4991, R, N, 867, c, 8635, 4497, q, z, 2853, 8001, 9163, 5451, 5529, v, Q, X