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