0
1
1
0
2
1
0
1
2
0
1
1
0
1
2
0
1
1
0
1
2
0
1
1
0
5
2
0
1
1
0
3
3
0
1
1
0
1
3
0
1
1
0
1
2
0
3
2
0
8
2
0
1
2
3
8
4
0
1
1
