2
0
1
0
1
0
2
0
1
0
0
0
2
0
3
1
2
0
2
0
0
0
1
0
4
0
3
0
2
0
0
0
3
0
2
0
2
0
1
0
4
0
0
0
2
0
3
0
1
0
2
0
7
0
4
0
0
0
1
0
3
0
3
0
