2
5
2
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
4
2
0
3
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
2
0
2
2
0
2
1
