Task: Program Execution
Input (English): 6, 1, 4, m, R, 7
Output (English): [['6', '1', '4', 'm', 'R'], ['6', '1', '4', 'm', '7'], ['6', '1', '4', 'R', '7'], ['6', '1', 'm', 'R', '7'], ['6', '4', 'm', 'R', '7'], ['1', '4', 'm', 'R', '7']]