The Keep
1 (Part 1)
/
+
/
+ +----+----+
| /
+ +
| /
+ +
| /
+ +----+----+----+->--+----+-o--+
o /
+--o-+----+---------<-/
|
+----+ + +
| x | o (* door only visible
+ + +----+-o--+ travelling west to east)
o |
+-o--+----+----+
(*)
The Keep
1 (Part 1)
/
+
/
+ +----+----+
| /
+ +
| /
+ +
| /
+ +----+----+----+->--+----+-o--+
o /
+--o-+----+---------<-/
|
+----+ + +
| x | o (* door only visible
+ + +----+-o--+ travelling west to east)
o |
+-o--+----+----+
(*)