21
15
21
21
20
15
19
21
19
20
20
10
12
21
14
21
21
15
21
20
18
21
21
21
21
12
8
20
21
12
21
21
18
18
21
21
12
21
21
21
12
20
21
21
21
18
21
21
16
12
21
19
21
14
12
12
21
21
17
21
21
21
21
21
21
12
17
21
21
12
19
16
15
19
21
21
21
21
16
21
12
21
21
21
17
21
20
20
16
20
18
21
21
20
21
21
21
17
16
8
21
21
21
21
21
14
21
17
21
21
16
15
8
8
13
21
21
17
15
16
21
19
21
17
15
10
12
21
17
14
21
17
21
21
17
21
21
12
16
21
15
21
15
17
21
21
21
21
18
21
21
17
21
21
17
12
21
21
21
16
16
17
21
16
21
18
21
12
20
21
16
19
19
19
17
18
21
16
19
14
16
16
21
17
21
21
21
21
21
12
21
15
21
18
21
18
21
21
21
