4
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
6.1,bxz,3.1,bxz
3.1,wawok1,-4.4,wawok1
-4.4,wawoz,-19.9,wawoz
-19.9,end,-,-