5
oil
2
1
1
2
1
2
2
2
2
2
1
2
3
3
2
2
2
5
1
0
0
0
3
1
1
1
1
1
2
0
1
1
2
3
1
3
1
3
1
1
2
2
0
1
1
4
0
1
4
