⇣ copimp ⇣cop100imp00002cop500imp00010cop1000imp00020cop2000imp00041cop5000imp00102cop10000imp00203⇣ copimp ⇣cop1,00000imp02030cop5,00000imp102cop10,00000imp203cop25,00000imp508cop50,00000imp1015cop100,00000imp2030