+-o+--+-----+
| |
| + |
| o |
+ +--+
|
+-o+o-+
|
a<-+->c +-o+o-+
Crystalmir ^o |
River 1--+ | \----\ | + + +
| | \| o o o
+ d ^ e +x-+--+--+
| ^ | ^ o o o
c<-+->a--b--c + + +
| | | |
e<-+->d--+--e +--+
| v v v |
c<-+->a b c +-----+--+--+
| | | |
e<-+->d + +<-+->+ +
| | | |
c<-+->a + +<-+->+ +
| | | |
| +--+--+-----+
| /
| /------------/
|/
+
1 = Crystalmir River {all}
Here is the universal key.