⇣ irrscr ⇣irr100scr00003irr500scr00016irr1000scr00032irr2000scr00064irr5000scr00160irr10000scr00321⇣ irrscr ⇣irr1,00000scr03209irr5,00000scr160irr10,00000scr321irr25,00000scr802irr50,00000scr1604irr100,00000scr3209