Next morning, the maid brought hot water to the room. Anderson woke up and remembered his suitcase. 'Where is my suitcase, please?' he asked. The maid laughed and pointed. The suitcase was on the table beside the wall. It was exactly where Anderson had left it. He noticed another strange thing. His ashtray was on the middle window-ledge. He clearly remembered smoking his cigarette by the end window - next to number 13.