4
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
7.3,bxz,4.1,bxz
4.1,wawok1,1.8,wawok1
1.8,wawoz,-17.7,wawoz
-17.7,end,-,-