Find the orange building block and embed it in the narrow slot of the purple building block.
3. We began to observe that the building blocks formed in the first two steps formed some strange and irregular angles after docking, and observed that one of the remaining four building blocks had just finished docking.
After completing the first three steps, it is found that a convex and straight shape has been formed. At this time, there must be a hole in the sphere to make up for it, and there is just a green one in the remaining building blocks that can be embedded.
The groove formed by five orange blocks and pink blocks can just be inserted, and finally there is just one groove that can be inserted for the purple straight block to be inserted.