Find 3 topologically different ways to cut a circle into 4 connected regions such that every region borders every other region.
... for ease of diagramming this topological problem.
+--------------+----------------+
| | |
| | |
| | |
| | |
| +----+-----+ |
| | | |
| | | |
| | | |
| | | |
|---------| |-----------|
| +----------+ |
| |
| |
| |
| |
| |
+--------------------------------+
+--------------+----------------+
| |
| |
| |
| |
| +----+-----+ |
| | | | |
| | | | |
| | | | |
| +----+-----+ |
| | | |
| +----------+ |
| |
| |
| |
| |
| |
+--------------------------------+
+--------------+----------------+
| | |
| | |
| | |
| | |
| +----+-----+ |
| | | |
| | | |
| +----------+ |
| | | |
| | | |
| +----+-----+ |
| | |
| | |
| | |
| | |
| | |
+--------------+-----------------+
|
Posted by Charlie
on 2016-06-20 10:47:16 |