#red   levels.mrg 
#def    ,   , : int = 4  short = 2  byte = 1  .  ,     2 :    . 
1. . ,   ,    3 :  ,  ,    .   ( ): [int o-   easy] { [int _][ ][byte  ] ... } [int -   medium] { [int _][ ][byte  ] ... } [int -   hard] { [int _][ ][byte  ] ... }    "3 " .   .   int -   ( .  ).    (  ): { int -   (   ,   ,    .),  , byte -    }.     ,       -      .    medium   hard. 
2.   
        2 :       .    , ,       (  )     .     mrg  30  (10/10/10),   " "  30 -      ,   . ""     : [byte - 0x33 -      ][int -     X][int -     Y (  ,  )][int -     X][int -     Y (       ,  0)][short -  ][int -     X][int -     Y]        { [byte -    X][byte    Y] }: [byte -    X][byte    Y] [byte -    X][byte    Y]...[byte -    X][byte    Y]. 2  - X  Y = 1 . ( ,    ,   "", "" ).   