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