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