Task: Program Execution
Input (English): 1, 1, 7, 5, z, C, 6
Output (English): [['1', '1', '7', '5', 'z', 'C'], ['1', '1', '7', '5', 'z', '6'], ['1', '1', '7', '5', 'C', '6'], ['1', '1', '7', 'z', 'C', '6'], ['1', '1', '5', 'z', 'C', '6'], ['1', '7', '5', 'z', 'C', '6'], ['1', '7', '5', 'z', 'C', '6']]