4 7
200
3 1
1 2
1 1
1 2
0 1
1 2
3 3
1 2
3 2
1 2
2 6
1 2
0 5
1 2
1 3
1 2
2 0
1 2
2 1
1 2
3 2
1 2
1 1
1 2
1 1
1 2
1 6
1 2
2 3
1 2
2 2
1 2
3 0
1 2
3 4
1 2
2 2
1 2
0 5
1 2
3 2
1 2
0 1
1 2
1 2
1 2
2 2
1 2
0 4
1 2
0 0
1 2
0 6
1 2
1 5
1 2
3 2
1 2
1 3
1 2
2 1
1 2
1 2
1 2
3 3
1 2
3 5
1 2
0 0
1 2
3 6
1 2
3 2
1 2
0 2
1 2
0 2
1 2
3 2
1 2
0 2
1 2
2 6
1 2
0 5
1 2
0 0
1 2
0 3
1 2
0 3
1 2
2 1
1 2
1 6
1 2
2 5
1 2
0 6
1 2
2 2
1 2
2 2
1 2
0 4
1 2
2 5
1 2
3 5
1 2
3 3
1 2
0 6
1 2
0 5
1 2
2 3
1 2
1 4
1 2
3 2
1 2
0 2
1 2
0 6
1 2
3 0
1 2
3 4
1 2
2 3
1 2
2 2
1 2
3 1
1 2
3 6
1 2
3 4
1 2
2 5
1 2
3 3
1 2
3 4
1 2
3 0
1 2
1 4
1 2
1 2
1 2
2 3
1 2
1 1
1 2
1 0
1 2
3 2
1 2
1 2
1 2
1 3
1 2
1 6
1 2
3 0
1 2
2 5
1 2
1 2
1 2
3 2
1 2
2 1
1 2
1 0
1 2
2 0
1 2
0 5
1 2
1 1
1 2
1 3
1 2
3 4
1 2
1 5
1 2
3 5
1 2
3 5
1 2
2 2
1 2
3 1
1 2
3 6
1 2