         {
           // Starting of a new sector ... try to to authenticate
           Serial.print("------------------------Sector ");Serial.print(nfc_handler.currentblock/4, DEC);Serial.println("-------------------------");
-           Serial.print("keys used:");
+            Serial.print("keys used:");
            
           if (nfc_handler.currentblock >= 5 * 4 && nfc_handler.currentblock <= 6 * 4)
           {

      }
    }
    else
    {
      Serial.println("Ooops ... this doesn't seem to be a Mifare Classic card!");
    }
  }
  lcd.clear();
  lcd.print("Balance :");

    switch (relativePosition)
    {
      case 0:
        lcd.clear();
        nfc_read(3, false);
        break;
      case 1:
        lcd.clear();
        nfc_write();
        break;
      case 2:
        lcd.clear();
        nfc_read(4, false);
        break;
      case 3:
        lcd.clear();
        break;
    }
   }
}

int encoderWrite()
{
  int newPosition;
  myEnc.write(0);
