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