Computer Programming Contest Preparation

    1 1
    2 abc
    3 daebfaghicyouwin
    4 2
    5 abc
    6 daebfaghijyoulose
    7 3
    8 abc
    9 chicacken
   10 4
   11 abc
   12 daebfaghicjklmnopqrstuvwxyouwinz
   13 5
   14 abc
   15 youloseabcoracbyouwinbacbcacabcba
   16 6
   17 abc
   18 youloserabcnotacbwincba
   19 -1
   20