⇣ irrron ⇣irr100ron00001irr500ron00006irr1000ron00011irr2000ron00022irr5000ron00055irr10000ron00110⇣ irrron ⇣irr1,00000ron01102irr5,00000ron05512irr10,00000ron110irr25,00000ron276irr50,00000ron551irr100,00000ron1102