5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
5.7,bxz,3.7,bxz
3.7,syk1,1.4,syk1
1.4,syz,-5.0,syz
-5.0,wawok1,-6.3,wawok1
-6.3,end,-,-