19
19
21
13
0
20
19
21
20
19
19
19
19
19
19
19
19
19
19
19
19
21
16
0
16
0
0
0
17
19
19
19
21
0
0
0
0
20
19
19
19
0
0
0
0
0
0
17
19
19
0
0
0
0
0
0
0
0
19
19
19
0
0
0
0
0
17
21
20
21
0
17
19
18
0
0
0
0
20
19
19
0
0
0
0
17
19
18
0
0
0
19
19
19
0
17
21
88
17
19
19
0
0
0
0
19
19
19
0
0
0
20
19
19
0
20
18
17
21
19
19
0
0
0
0
20
19
18
17
19
18
17
19
19
0
0
20
21
0
19
19
0
0
0
0
0
0
20
19
19
19
19
19
21
0
0
0
0
0
19
19
0
0
0
0
0
0
0
20
19
19
21
16
0
0
0
0
0
0
19
19
18
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
19
19
19
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
2
97
23
23
25
"snow"