5
4,2
"top(m+nap)",-999.99
"code",-999.99
"bottom(m+nap)",-999.99
"eenheid",-999.99
4.0,AA,3.1,AA
3.1,BX,2.4,BX
2.4,SY,-11.7,SY
-11.7,WAWO,-21.0,WAWO
-21.0,end,-,-