Task: Program Execution
Input (English): U, 9, 3, 1, q, 3, 0
Output (English): [['U', '9', '3', '1', 'q', '3'], ['U', '9', '3', '1', 'q', '0'], ['U', '9', '3', '1', '3', '0'], ['U', '9', '3', 'q', '3', '0'], ['U', '9', '1', 'q', '3', '0'], ['U', '3', '1', 'q', '3', '0'], ['9', '3', '1', 'q', '3', '0']]