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int commonPoint;
   int minLevel, maxLevel;
   double highest, lowest, stepIncrement, tolerance, high;
   double storeLevel[];
   ///ArrayResize(storeLevel, loopback);
   
   minLevel = iLowest(Symbol(), Period(), MODE_LOW, loopback, 0);
   maxLevel = iHighest(Symbol(), Period(), MODE_HIGH, loopback, 0);
   highest = iHigh(Symbol(), Period(), maxLevel);
   lowest = iLow(Symbol(), Period(), minLevel);
  
   //Print("max: " + highest + " min: " + lowest);
   stepIncrement = 0.0005;
   tolerance = 0.0002;
   static double tmp;
   tmp = 0.0;
   
   
   for (double actPrice = lowest; actPrice <= highest; actPrice += stepIncrement) {
   
      
      for (int i = 1; i <= loopback; i++) {
         //do some stuff here...
         high = iHigh(Symbol(), Period(), i);
         double topRange, bottomRange;
         /**  if is the first value tmp stores the first high encountered until that moment **/
         if (tmp == 0) {
            tmp = high;
         } else {
            //define a buffer adding a subtracting from tmp to check if the new high is within that value
            topRange = tmp + tolerance;
            bottomRange = tmp - tolerance;
            
            if (high <= topRange && high >= bottomRange) {
               commonPoint++;
            }
         }
         //if has been touched at least three times reset common point
         //tmp goes to the new high value to keep looping
         if (commonPoint == 3) {
            commonPoint = 0;
            tmp = high;
            ///Print("valore tmp: " + tmp);
            storeLevel[i] = tmp;
         }
      }
   }