+
/|
+ | +
/| | /|
+ | | +----+ |
/| | | /| | |
+-=-=-=---+ | | |
/| | | | | | | |
+ | | | + | | | |
/| | | |/ | | | |
+ | | | + | | | +
| | | |/ | | |/
+ + | | + | +----+
/|/ | |/ |/
Fourth 1 + | +---------+
Level |/
+
- Details
+
/|
+ | +
/| | /|
+ | | +----+ |
/| | | /| | |
+-=-=-=---+ | | |
/| | | | | | | |
+ | | | + | | | |
/| | | |/ | | | |
+ | | | + | | | +
| | | |/ | | |/
+ + | | + | +----+
/|/ | |/ |/
Fourth 1 + | +---------+
Level |/
+