⇣ bifron ⇣bif100ron00016bif500ron00080bif1000ron00159bif2000ron00318bif5000ron00796bif10000ron01591⇣ bifron ⇣bif1,00000ron159bif5,00000ron796bif10,00000ron1591bif25,00000ron3978bif50,00000ron7956bif100,00000ron15912