Task: Program Execution
Input (English): 8, 2, 0, 5, 7, 0, r
Output (English): [['8', '2', '0', '5', '7', '0'], ['8', '2', '0', '5', '7', 'r'], ['8', '2', '0', '5', '0', 'r'], ['8', '2', '0', '7', '0', 'r'], ['8', '2', '5', '7', '0', 'r'], ['8', '0', '5', '7', '0', 'r'], ['2', '0', '5', '7', '0', 'r']]