4
4

10 0 0
1 1 1
-1 0 0
0

15 0 0
1 1 1
-3 0 0
0

0 15 0
1 1 1
0 -3 0
0

0 0 10
1 1 1
0 0 -1
0

-15 0 0
3 0 0
1
0

-10 0 0
1 0 0
1
0

0 0 15
0 0 -3
1
0

0 10 0
0 -1 0
1
0