10
-1 0 0 1
0 1 1 2
0 -1 -1 0 
1 0 0 1
2 1 1 2
0 -1 1 0 
1 0 2 1
1 0 2 -1
2 1 3 0
2 -1 3 0
10
0/1 -1/1 -1/1 0/1
-1/1 0/1 0/1 1/1
0/1 -1/1 1/1 0/1
1/1 0/1 0/1 1/1
0/1 1/1 1/1 2/1
1/1 0/1 2/1 -1/1
1/1 0/1 2/1 1/1
2/1 1/1 1/1 2/1
2/1 -1/1 3/1 0/1
2/1 1/1 3/1 0/1
8
-1/1 0/1
0/1 -1/1
0/1 1/1
1/1 0/1
1/1 2/1
2/1 -1/1
2/1 1/1
3/1 0/1
0
4
10
0/1 -1/1 -1/1 0/1
-1/1 0/1 0/1 1/1
0/1 -1/1 1/1 0/1
1/1 0/1 0/1 1/1
0/1 1/1 1/1 2/1
1/1 0/1 2/1 -1/1
1/1 0/1 2/1 1/1
2/1 1/1 1/1 2/1
2/1 -1/1 3/1 0/1
2/1 1/1 3/1 0/1
