2
1
0
1
2
1
1
2
2
1
1
7
2
1
1
8
2
1
1
9
2
1
1
12
2
1
1
13
2
1
1
14
2
1
1
15
3
2
2
16
3
2
2
17
2
1
1
18
2
1
1
19
3
2
2
20
3
2
2
22
2
1
1
23
2
1
1
24
2
1
1
