⇣ irrrub ⇣irr100rub00021irr500rub00107irr1000rub00213irr2000rub00426irr5000rub01066irr10000rub02132⇣ irrrub ⇣irr1,00000rub213irr5,00000rub1066irr10,00000rub2132irr25,00000rub5331irr50,00000rub10662irr100,00000rub21324