6
-1 -1 0
1 -1 0
1 1 0
-1 1 0
0 0 1.414214
0 0 -1.414214
8
0 5 1 -1
0 1 4 -1
1 5 2 -1
1 2 4 -1
5 3 2 -1
3 4 2 -1
0 4 3 -1
0 3 5 -1