Move the whole hole of Kongmingsuo to the upper part of the small hole; Just remove the big hole on the right and then remove the whole hole. Kongmingsuo is difficult to understand, and can be scrutinized in many ways, so as to find a meeting point through spatial imagination.
Kongmingsuo, also known as Bagua Lock and Luban Lock, was once widely circulated among Han people as an intellectual toy. It is the traditional fixed connector of ancient Han civil buildings in China, and there are also some folk names such as "Don't stay", "Liuzilian", "Don't do other things" and "It's difficult to be a man". Without nails and ropes, it is supported entirely by the connection of its own structure, just like a piece of paper can stand up when folded in half, showing a seemingly simple but extraordinary wisdom.
Do you know that the ranking university system is useful? Through the initial evaluation, candidates generally know their scores. Combin