0
xxx
1
0
0
0
0
0
0
1
2
1
2
1
1
2
3
3
2
4
1
2
0
3
4
0
1
0
1
0
1
1
1
1
3
1
1
2
0
1
1
0
1
1
1
1
3
3
4
2
3
5
9
2
3
1
