20
1
20
999
-
18
1
18
999
-
4
1
4
999
-
6
1
6
999
-
7
1
7
999
-
9
1
9
999
-
12
1
12
999
-
1
1
1
999
-
68
1
68
999
-
14
1
14
999
-
12
1
12
999
-
11
1
11
999
-
11
1
11
999
-
9
1
9
999
-
6
1
6
999
-
10
1
10
999
-
8
1
8
999
-
8
1
8
999
-
15
1
15
999
-
6
1
6
999
-
6
1
6
999
-
8
1
8
999
-
9
1
9
999
-
10
1
10
999
-
5
1
5
999
-
9
1
9
999
-
7
1
7
999
-
4
1
4
999
-
9
1
9
999
-
6
1
6
999
-
10
1
10
999
-
14
1
14
999
-
9
1
9
999
-
6
1
6
999
-
7
1
7
999
-
31
1
31
999
-
27
1
27
999
-
27
1
27
999
-
45
1
45
999
-
34
1
34
999
-
25
1
25
999
-
26
1
26
999
-
31
1
31
999
-
37
1
37
999
-
48
1
48
999
-
6
1
6
999
-
8
1
8
999
-
10
1
10
999
-
4
1
4
999
-
10
1
10
999
-
8
1
8
999
-
180
1
180
999
-
105
1
105
999
-
57
1
57
999
-
5
1
5
999
-
12
1
12
999
-
10
1
10
999
-
12
1
12
999
-
8
1
8
999
-
8
1
8
999
-
13
1
13
999
-
16
1
16
999
-
37
1
37
999
-
37
1
37
999
-
31
1
31
999
-
31
1
31
999
-
31
1
31
999
-
21
1
21
999
-
38
1
38
999
-
6
1
6
999
-
29
1
29
999
-
21
1
21
999
-
21
1
21
999
-
31
1
31
999
-
30
1
30
999
-
31
1
31
999
-
16
1
16
999
-
8
1
8
999
-
