5
4,2
"top(m+nap)",-999.99
"eenheid",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
3.5,bxz,0.5,bxz
0.5,syz,-6.5,syz
-6.5,wawok1,-10.5,wawok1
-10.5,wawoz,-20.5,wawoz
-20.5,end,-,-