-10 -10 -10 -10
-8 -9 -10 -11 
-5 -9 -10 -2
-3 -9 -10 -1
-2 -8 -8 0
-2 -5 -9 1
-2 -5 -2 3 
-1 -5 -1 6 
-1 -1 -1 10
-1 0 1 0
-1 0 0 0
-1 0 10 20
0 0 -10 -10
0 1 -5 -5
0 0 0 0
0 1 0 1
0 1 10 10
0 3 -1 0
0 3 0 5
0 3 5 5
0 3 9 10
0 3 99 4
0 4 0 1
0 4 4 4
0 9 9 9
0 99 99 1
1 -1 0 2
1 2 -3 9
1 2 0 1
1 2 2 3
1 2 3 4
1 2 4 6 
1 4 5 8
1 5 9 99
2 5 9 99
2 5 10 99
2 5 11 99
2 5 99 2
5 -4 0 8
5 -4 5 8
5 0 5 9
5 1 5 6
5 5 5 5
5 6 7 8
5 8 8 9
10 1 0 9
10 0 1 2
10 5 5 7
10 6 5 8
10 6 6 8
10 10 6 9
10 10 10 10