6
oil
5
3
3
4
2
13
3
5
8
5
1
2
3
4
1
2
4
3
2
2
3
4
5
3
5
1
2
1
2
23
4
4
4
0
4
6
5
2
2
4
1
4
5
2
1
5
6
3
8
