Task: Program Execution
Input (English): 8, n, r, w, 8
Output (English): [['8', 'n', 'r', 'w'], ['8', 'n', 'r', '8'], ['8', 'n', 'w', '8'], ['8', 'r', 'w', '8'], ['n', 'r', 'w', '8']]