-elm (4,71)/(4,91)/(4,9) westBoundingCoordinate !
-elm (4,71)/(4,91)/(4,10) eastBoundingCoordinate !
-elm (4,71)/(4,91)/(4,11) northBoundingCoordinate !
-elm (4,71)/(4,91)/(4,12) southBoundingCoordinate !
+elm (4,71)/(4,91)/(4,9) westBoundingCoordinate !:n
+elm (4,71)/(4,91)/(4,10) eastBoundingCoordinate !:n
+elm (4,71)/(4,91)/(4,11) northBoundingCoordinate !:n
+elm (4,71)/(4,91)/(4,12) southBoundingCoordinate !:n