5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
6.3,bxz,4.3,bxz
4.3,syz,-5.7,syz
-5.7,wawok1,-8.7,wawok1
-8.7,wawoz,-18.7,wawoz
-18.7,end,-,-