maze Stratz
| + 1
o o |
+--+ +--+--+---+--+ +
| | \ o +x-+--+ |
+--+--+-o+ \ + + | +--+--+
| \o o | |
+--+ +--+ + +--+--+
| | | |
+ +o-+ +--+--+
o | |
+--+--+ +--+
\ |
\ + +
\ | o
+----------+--+--+
o
+
1 = Stratz {1-70}
Here is the universal key.