+-x--+
| \
| +----------------------------------+
| |
| +----+----+----+----+
| | |
| S----+----+ + a + +
+ | |\ ^ | |
| +----+----S +-<--+ b +----+----+ +
| | | v ^ |
| S----+----+ + + \-->-a +----+
| | |\ | v |
| S----+ + \| \ +
| | | + b \
+ +----+ +----+----+ + 3
| | | \| Caverns
+----+----+----+ +----+----+----+ + Level 1
| \ |
| 2 Enclave +----+----+ |
Mydgaard + v \|
Sewer 1 |/ +
Fourth \|
Floor +
1 = Sewer (fourth floor) {5-30}
2 = Enclave (upper level) {5-15}