2
0
2
0
4
0
1
0
3
0
2
0
1
0
2
0
2
0
5
0
1
0
4
0
2
0
2
0
3
0
2
0
0
0
5
0
3
0
1
0
3
0
0
0
2
0
3
0
5
0
3
0
3
0
3
0
4
0
4
0
6
0
2
0
2
0
1
0
2
0
3
0
9
0
1
0
3
0
2
0
1
0
3
0
2
0
0
0
2
0
1
0
4
0
3
1