⇣ bifron ⇣bif100ron00016bif500ron00081bif1000ron00161bif2000ron00323bif5000ron00807bif10000ron01615⇣ bifron ⇣bif1,00000ron161bif5,00000ron807bif10,00000ron1615bif25,00000ron4037bif50,00000ron8074bif100,00000ron16148