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