大小单双图形排列

简介：Lin Anqin pursed his lips and smiled. It wasn't the college student from the national defense downstairs who said that. The old man usually asked him to go out to eat when he had nothing to do. The college student was quite knowledgeable. Lao Su probably picked up a few words from his mouth as a mantra. , if you really let the old man analyze it by himself, he will probably just stare.