5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
11.2,bxz,10.2,bxz
10.2,syz,5.9,syz
5.9,wawok1,-4.8,wawok1
-4.8,wawoz,-14.3,wawoz
-14.3,end,-,-