Task: Program Execution
Input (English): x, 9, 8, N, 9, A, 3
Output (English): [['x', '9', '8', 'N', '9', 'A'], ['x', '9', '8', 'N', '9', '3'], ['x', '9', '8', 'N', 'A', '3'], ['x', '9', '8', '9', 'A', '3'], ['x', '9', 'N', '9', 'A', '3'], ['x', '8', 'N', '9', 'A', '3'], ['9', '8', 'N', '9', 'A', '3']]