5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
6.8,bxz,5.5,bxz
5.5,syz,-0.2,syz
-0.2,wawok1,-6.2,wawok1
-6.2,wawoz,-15.2,wawoz
-15.2,end,-,-