1
oil
7
5
5
5
2
1
3
0
3
2
2
3
1
3
8
4
6
4
1
2
2
2
5
1
2
3
5
3
4
4
3
2
3
3
4
3
3
2
3
2
2
5
1
6
2
1
4
3
1
