     lcd.print(blank_writer);
     delay(200);
     map_display();
+    delay(500);
 }
 
 //map display function

    else
      lcd.print(" ");
  } 
}

void loop() 
{
  while(ptr0<ptr_max)
  { 
   delay(700);
    ++ptr0;
    ++ptr1;
    map_display();
  }
  if(ptr0>=ptr_max)
  {
    lcd.setCursor(0,0);

{
  lcd.setCursor(0,0);
  int i = 0;
  //setting val0 and val1
  val0 = map_0[ptr0];
  val1 = map_1[ptr1];
  /*lcd.setCursor(0,0);
  lcd.print("val0:");
  lcd.print(val0);
  lcd.setCursor(0,1);
  lcd.print("val1:");
  lcd.print(val1);
  delay(700);
  lcd.setCursor(0,0);
  lcd.print("usr0:");
  lcd.print(user0);
  lcd.setCursor(0,1);
  lcd.print("usr1:");
  lcd.print(user1);
  delay(700);*/
  //displaying map
  for(;i<16;++i)
  {
    lcd.setCursor(i,0);
