4
0
0
1
0
0
1
0
0
1
0
0
2
0
0
1
0
0
0
0
0
2
0
0
1
0
0
0
0
0
1
0
0
4
0
0
13
0
0
0
0
0
4
0
0
1
0
0
0
0
0
7
0
0
1
0
0
2
0
0
1
0
0
26
0
0
1
0
0
1
0
0
2
0
0
2
0
0
8
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
2
0
0
在线
1
0
0
5
0
0
1
0
0