15
21
15
16
20
21
21
17
21
15
19
10
21
21
14
21
20
16
21
21
21
21
21
21
21
12
21
21
20
19
16
21
21
20
18
21
21
21
15
21
21
21
17
21
21
21
21
20
16
19
15
16
18
16
15
21
15
12
16
21
16
21
21
21
21
21
21
16
21
21
21
21
21
21
16
21
21
21
20
21
21
21
21
20
21
21
21
16
21
21
21
20
21
21
21
15
21
20
21
21
20
21
21
21
21
21
21
15
21
20
21
21
21
16
21
21
16
21
21
21
20
21
20
21
21
21
16
21
21
21
21
21
16
18
18
12
16
20
17
20
15
21
17
12
15
21
17
17
21
21
21
21
21
21
17
15
21
17
16
21
21
21
21
18
21
21
21
21
21
16
21
14
21
21
21
12
21
15
21
21
21
21
21
15
20
15
20
21
21
21
19
21
21
20
16
21
21
21
21
