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