9
0.0 0 0 0 0 0 0
1.0 0 0 1 0 0 0
0.0 0 0 2 0 0 0
1.0 1 0 0 0 0 0
1.0 1 0 1 0 0 0
1.0 1 0 2 0 0 0
1.0 2 0 0 0 0 0
1.0 2 0 1 0 0 0
1.0 2 0 2 0 0 0
12
-1 1 1 0 1
-1 1 1 1 2
-1 1 1 0 3
-1 1 1 1 4
-1 1 1 2 5
-1 1 1 3 4
-1 1 1 4 5
-1 1 1 3 6
-1 1 1 4 7
-1 1 1 5 8
-1 1 1 6 7
-1 1 1 7 8