0
1
1
1
2
2
1
1
2
2
2

3
2
2
2
3
1
1
1
3
1

1
1
1
1
2
2
2
2
3
3

1
1
1
1
2
2
2
2
3
3

1
1
1
2
2
2
2
3
3
3

1
1
1
1
1
2
2
2
2
2

1
1
1
1
2
2
2
2
3
3

