+----+----+
| | |
| | |
| | |
+----+----+
| |x |
| | \ |
| | | |
+----+--=-+
|
|
+----+----+----+--=-+
| x | |
| | / |
+----+ + + / +----+
| x |/x / x |
| \ + | / \ |
+ 1 |x 1 +
| +x---+---x+ |
| / /| / |
+x---+----+ + x +----+---x+
| + |
| / |
+ + +
| | |
| | |
+----+ + +----+
|x | |x
| \ | | \
| 1 x | 1
+----+----+----+----+
1 = The Dark Shiro (First Floor) {90-150}
Here is the universal key.