TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5577, 'V', 'R', 7749, 'P', 7921, 'B', '6205', '245', 'j', '6015', '7139', '7495', '3061', '4683', 'v', 'X', 'U', '7019', '4943', '8111', 'A', 'E', '655', '8197', '9847', 'j', 'D', 'H', 'L', 4377, 'z', 6727, 'm', 'S', 5001, 'F', 'h', 'j', 8457], [1021, 9597, 6541, 'c', 'B', '6205', '245', 'j', '6015', '7139', '7495', '3061', '4683', 'v', 'X', 'U', '7019', '4943', '8111', 'A', 'E', '655', '8197', '9847', 'j', 'D', 't', 603, 'y', 5235, 'U', 'b']

SOLUTION: B, 6205, 245, j, 6015, 7139, 7495, 3061, 4683, v, X, U, 7019, 4943, 8111, A, E, 655, 8197, 9847, j, D

PROBLEM: ['i', 2711, 6903, 1929, 2863, 'b', 5091, 'C', 'g', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'M', 5859, 'C', 7687, 'N', 1227, 5881, 8139, 'L', 'u', 1299], [4083, 2455, 'q', 'L', 3689, 'l', 'd', 9587, 'I', 'N', 'O', '3689', 'B', '6851', '605', '811', '8847', 'a', '3649', '5787', 'B', '6611', 'S', 'V', 7521, 'F', 3951, 'm', 'E']

SOLUTION: O, 3689, B, 6851, 605, 811, 8847, a, 3649, 5787, B, 6611, S

PROBLEM: ['W', 8227, 'c', 9521, 79, 'd', 'Y', '6849', '4287', 'o', '5909', '565', '8323', '1159', '1281', '6181', 'n', 1683, 'G'], [2131, 'v', 4559, 's', 's', 5659, 7869, 8853, 'Y', '6849', '4287', 'o', '5909', '565', '8323', '1159', '1281', '6181', 'H', 'I', 'a', 1855, 8511, 781, 9529]

SOLUTION:
Y, 6849, 4287, o, 5909, 565, 8323, 1159, 1281, 6181