4
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
7.5,bxz,5.5,bxz
5.5,syz,-1.5,syz
-1.5,wawok1,-17.5,wawok1
-17.5,end,-,-