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