⇣ irrron ⇣irr100ron00001irr500ron00005irr1000ron00011irr2000ron00022irr5000ron00055irr10000ron00109⇣ irrron ⇣irr1,00000ron01091irr5,00000ron05455irr10,00000ron109irr25,00000ron273irr50,00000ron546irr100,00000ron1091