Unfold a perfectly balanced tree from the given settings.
In a level tree, the value of every node is its depth. This, for example, is a level tree:
┬1 ├─2 ├─2 ├┬2 │├─3 │└─3 └─2 Copy
┬1 ├─2 ├─2 ├┬2 │├─3 │└─3 └─2
Unfold a perfectly balanced tree from the given settings.
In a level tree, the value of every node is its depth. This, for example, is a level tree: