Array Issue

void Identify_Hedges(){
     
     int y,k;
     string Magic_hedge_Number = DoubleToStr(HedgedMagic,0);
     string aCurrency_Pair;
     int aMagic,aDirection;
     string bCurrency_Pair;
     int bMagic,bDirection;

     //for( a=ArraySize(Orders) ; a > 0 ; a-- ){ // Order array containing direction symbol adn Magic number
     for( y = ArraySize(Orders) ; y > 0  ; y-- ){ // Order array containing direction symbol adn Magic number
         for( k = ArraySize(Orders) ; k > 0  ; k-- ){ // Order array containing direction symbol adn Magic number
        
         bool checking = false;
         // Convert order array to Order Variables 
         aCurrency_Pair = StringSubstr(Orders[y],1,6);
         aMagic = StrToInteger(StringSubstr(Orders[y],7,0));// Magic Number Pending Array
         aDirection = StrToInteger(StringSubstr(Orders[y],0,1));
         
         bCurrency_Pair = StringSubstr(Orders[k],1,6);
         bMagic = StrToInteger(StringSubstr(Orders[k],7,0));// Magic Number Pending Array
         bDirection = StrToInteger(StringSubstr(Orders[k],0,1));
         
   
        if (aMagic != HedgedMagic && bMagic != HedgedMagic 
            && aCurrency_Pair == bCurrency_Pair
            && aDirection != bDirection 
            ){
                  Orders[y] = StringConcatenate(StringSubstr(Orders[y],0,7),Magic_hedge_Number);
                  Orders[k] = StringConcatenate(StringSubstr(Orders[k],0,7),Magic_hedge_Number);
                  Print(Orders[y]+ " A ");
                  Print(Orders[k]+ " B ");
                  }
        } // K
     } //Y 
}// Function 

Quoting Kurka Fund

Disliked

So im trying to compare search within a string array to see if I have any orders that are hedged example a long and a short EURUSD order and then change the value of the two entries to indicate this... why doensnt this code work ?

The Orders[] has 300 - 900 string values formatted like this

0EURUSD321345

first number =...

Ignored