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