Task: Program Execution
Input (English): 8, 3, 6, 8, 0, x, 8
Output (English): [['8', '3', '6', '8', '0', 'x'], ['8', '3', '6', '8', '0', '8'], ['8', '3', '6', '8', 'x', '8'], ['8', '3', '6', '0', 'x', '8'], ['8', '3', '8', '0', 'x', '8'], ['8', '6', '8', '0', 'x', '8'], ['3', '6', '8', '0', 'x', '8']]