5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
6.77,skip,2.02,skip
2.02,syz,-3.68,syz
-3.68,wawok1,-6.13,wawok1
-6.13,wawoz,-20.23,wawoz
-20.23,end,-,-