9
natural
3
2
1
1
0
0
3
0
2
0
2
1
2
1
1
0
0
1
1
3
0
0
3
1
1
0
1
2
2
3
0
0
1
2
2
1
1
3
2
0
1
1
2
0
1
1
2
4
3
