2,
<80,0,0>,
<-70,0,0>,
<-10,0,0>,
20,
<0,0,0>, 
<50,0,0>,
<0,0,0>,
<0,0,0>,
<0,0,0>,
<-60,0,0>,
<-30,0,0>,
<80,0,0>,
<-70,0,0>,
<0,0,0>,
20,
<55,0,0>,
<0,0,0>,
<0,0,0>,
<0,0,0>
