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