//  ** V2: Changed "&&" to "and", added "3-of-a-minor invitational";
//  **        added 6N invite and 7N invite and jumps to both.
//  **       Also reflects switcheroo. 
//  **        
(  // *******  Begin 1NT opener block  
shape(south, any 4333 + any 4432 + any 5332) 
   and hcp(south)>14 
   and hcp(south)<18 
)   // ******  End 1NT opener block
and  // meaning: plus a hand from any *one* of the following blocks
(
  (  //*  Begin 3- of-a-minor-inv  Block
   hcp(north)<10
   and hearts(north)<4  
   and spades(north)<4 
   and
     (  
         ( shape(north, xx6x) 
           and
          ( quality(north, diamonds)>300
            and 
            quality(north, diamonds)<800   ) 
         )  
      or
         (  shape(north, xxx6) 
             and
        (  quality(north, clubs)>300
         and 
         quality(north, clubs)<800   
       )
     )
   )
  )  //*  End 3- of-a-minor-inv  Block
or 
 (   // Begin Minor Suit Stayman code block
   ( clubs(north)>=4
     and diamonds(north)>=4
     and hearts(north)<=2
     and spades(north)<=2
     and hcp(north)>=5
     and hcp(north)<=16
     and hcp(north)>=5
   ) 
   or
   ( clubs(north)>=5
     and diamonds(north)>=5
     and hearts(north)<=4
     and spades(north)<=3
     and hcp(north)>=5
     and hcp(north)<=16 
    )
  )   // End Minor Suit Stayman code block
or 
(   // Begin "any void" block,  covers Xfers
   hcp(north)>6
   and hcp(north)<17
   and shape(north, any 0xxx, any 1xxx) 
)    // End "any void" block
or
(   // Begin 2W2N block
   hcp(north)>9
   and hcp(north)<18
   and shape(north, any 1444 + any 4405)
)   // End 2W2N block.
or
 (   // Big NT hands (inv/go)
   shape(north, any 4333 + any 4432 + any 5332) 
    and hcp(north)>14 
    and hcp(north)<30 
 )   // End 2W2N block.
or
 (   // Small NT hands (inv/go)
   shape(north, any 4333 + any 4432 + any 5332) 
    and hcp(north)>7 
    and hcp(north)<10 
 )   // End 2W2N block.
)