Task: Program Execution
Input (English): 6, 8, r, C, n, n
Output (English): [['6', '8', 'r', 'C', 'n'], ['6', '8', 'r', 'C', 'n'], ['6', '8', 'r', 'n', 'n'], ['6', '8', 'C', 'n', 'n'], ['6', 'r', 'C', 'n', 'n'], ['8', 'r', 'C', 'n', 'n']]