2,
<15,0,5>,
<-15,0,0>,
<0,0,0>,
0,
<0,0,20>,
<0,0,-35>,
<5,-25,0>,
<0,0,0>,
<-5,10,0>,
<-5,0,0>,
<0,0,0>,
<0,0,0>,
<0,0,0>,
<0,-35,0>,
0,
<20,0,-20>,
<0,0,35>,
<30,-65,0>,
<0,0,0>
