4
feet
1
0
1
1
1
1
4
1
2
2
1
5
1
0
2
2
2
2
1
2
2
1
1
1
1
3
2
2
3
1
1
1
2
1
3
2
1
2
1
0
1
0
2
3
2
3
1
1
0
