Đầu
Đuôi
Đầu
Đuôi
0
01
90, 40, 20
0
1
18
21, 91, 01
1
2
24, 25, 21, 29, 23, 20
32, 72
2
3
34, 36, 32, 37, 39
63, 23, 63
3
4
49, 40
24, 94, 34, 74
4
5
-
25, 65, 65
5
6
67, 63, 65, 65, 63
36
6
7
72, 74
67, 37
7
8
-
18
8
9
94, 90, 99, 91, 99
49, 99, 29, 99, 39
9