[clockwise]
[p%]
2
0
0
0

3
11
1
13

0
4
2
10

5
0
0
3

6
0
4
0

0
0
5
7

0
6
0
8

0
7
9
0

8
0
10
0

9
3
0
0

0
12
0
2

0
0
0
11

0
2
0
14

15
13
0
0

16
0
14
0

0
0
15
18

0
0
16
0

0
16
0
19

0
18
0
0
[end]