1a%A%1%B%b
2a%A%2%B%b
3a%A%3%B%b
4a%A%4%B%b
5a%A%5%B%b
6a%A%6%B%b
7a%A%7%B%b
8a%A%8%B%b
9a%A%9%B%b
10a%A%10%B%b
11