5,
<12,-10,7>,
<-5,0,0>,
<-2,0,0>;
0,
<-10,0,0>,
<20,0,0>,
<0,0,0>,
20,
<10,0,0>,
<-10,8,0>,
<-5,-8,0>,
<0,10,-5>,
<-10,0,0>,
<-55,0,0>,
<10,0,0>,
0,
<8,0,0>,
<20,0,0>,
<0,0,20>,
30,
<0,0,0>
