Task: Program Execution
Input (English): 2, 8, 1, K, 9, 2
Output (English): [['2', '8', '1', 'K', '9'], ['2', '8', '1', 'K', '2'], ['2', '8', '1', '9', '2'], ['2', '8', 'K', '9', '2'], ['2', '1', 'K', '9', '2'], ['8', '1', 'K', '9', '2']]