Task: Program Execution
Input (English): 7, 2, 6, 9, 8, 3, b
Output (English): [['7', '2', '6', '9', '8', '3'], ['7', '2', '6', '9', '8', 'b'], ['7', '2', '6', '9', '3', 'b'], ['7', '2', '6', '8', '3', 'b'], ['7', '2', '9', '8', '3', 'b'], ['7', '6', '9', '8', '3', 'b'], ['2', '6', '9', '8', '3', 'b']]