1 #F3----------------------------------------------
2 polyline p 2 0 0 15 0 0 15 0 20 2 0 20 2 0 0
3 profile p p 0 -1 0 1 0 0 f 2 0 l 15 t 0 20 t -5 0 \
4 t 0 -18 t -5 0 t 0 18 t -5 0
5 revol p p 0 0 0 0 0 1 180
9 depouille result p 0 0 1 p_2 2 0 0 0 0 0 1 \