CrossRoad


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