23
↓
30
↓
27
↓
12
↓
16
↓
16
→
0
0
17
24
↓
→
0
0
0
17
→
0
0
15
29
↓
→
0
0
0
0
35
→
0
0
0
0
0
12
↓
7
→
0
0
7
8
↓
→
0
0
7
↓
11
↓
10
16
↓
→
0
0
0
0
0
21
→
0
0
0
0
5
→
0
0
6
→
0
0
0
3
→
0
0