0 0
1 0
0 0
0 0
1 0
0 0
1 0
0 0
0 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
0 0
0 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
0 0
1 0
1 0
0 0
1 0
1 0
1 0
2 0
2 0
1 0
4 0
1 0
1 0
2 0
2 1
2 0
1 0
2 0
2 0
1 0
1 0
2 0
1 0
1 0
2 0
2 0
1 0
3 1
6 0
3 0
6 0
3 0
1 0
0 0
2 0
3 0
3 0
0 0
2 0
1 0
1 0
1 0
1 0
1 0
2 0
1 0
2 0
1 0
1 0
1 0
4 0
1 0
3 0
2 0
