⇣ stdron ⇣std100ron00002std500ron00010std1000ron00021std2000ron00041std5000ron00103std10000ron00206⇣ stdron ⇣std1,00000ron02056std5,00000ron103std10,00000ron206std25,00000ron514std50,00000ron1028std100,00000ron2056