5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
2.0,aaopo,-4.5,aaopo
-4.5,wawoz,-22.0,wawoz
-22.0,wahoz,-31.0,wahoz
-31.0,waz,-50.0,waz
-50.0,end,-,-