0
oil
1
0
3
2
1
1
2
1
1
2
0
1
0
1
1
1
2
2
0
1
1
1
1
1
2
0
3
1
3
1
3
1
1
2
2
2
0
1
1
4
0
2
2
1
1
0
4
4
0
