21
21
21
21
21
21
21
21
10
21
21
16
21
21
20
21
16
16
16
21
21
21
21
21
21
21
16
16
21
16
12
21
21
21
21
21
20
20
16
21
21
21
21
21
21
21
20
21
21
21
21
21
12
16
15
16
15
16
11
21
12
16
21
21
21
21
21
12
21
21
21
21
21
21
16
16
21
21
21
16
21
21
21
12
21
15
21
21
11
21
21
21
21
16
16
21
21
21
21
21
21
20
16
20
12
12
16
21
21
21
21
21
21
21
20
21
21
12
12
21
21
20
21
21
20
15
12
16
16
21
21
21
12
21
21
21
21
21
16
10
20
12
21
21
20
21
21
21
16
21
21
21
21
21
21
21
12
21
21
21
12
21
16
20
21
15
20
15
15
15
12
20
21
21
21
20
12
21
12
12
12
21
21
16
20
21
16
11
21
21
21
21
12
21
20
21
21
21
21