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    CRASH - The acronym  C RA SH refers to a hand with a 
    two-suited suited shape.  These hands have one of three different 
    shapes, defined by the letters of CRASH: 
      
        | First step | Color |  
        | Second step | RAnk |  
        | Third step | SHape |  One common use for CRASH is over opponent's strong 1 Club system using 
    the following conventional meaning: 
      
        | Second Seat |  | Fourth Seat over 1 Diamond 
        response |  
        | Bid | Meaning |  | Bid | Meaning |  
        | Double | Suits have same Color |  | Double | Suits have same Color |  
        | 1D | Suits have same RAnk |  | 1N | Suits have same RAnk |  
        | 1 Major | Values in that major |  | 1 Major | Values in that major |  
        | 1N | Suits have same SHape |  | 2C | Suits have same SHape |  Note - other conventions are also in use and other bids describe 
    additional hands. |