2
enough
0
0
0
0
0
0
1
0
0
2
0
0
0
0
0
0
0
1
0
0
0
0
0
2
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
2
4
0
0
2
0
3
1
8
0
0
0
2
15
15