The coordnates given above are purely fictious.
The minifigs are trying to tell you the true coordinates of prison in which their conspirators are being held using their own special sign language. If you can find them you can free one and imprison another in its place.
You can check your answers for this puzzle on GeoChecker.com.
Placed with kind permission of Earley Town Council.
Chmmyr: Gurer ner bayl 10 glcrf bs zvavsvtf - gubfr jub haqrefgnaq ...... naq gubfr jub qba'g!
Pnpur: Nccebnpu sebz orybj