⇣ copbsd ⇣cop100bsd00003cop500bsd00013cop1000bsd00026cop2000bsd00051cop5000bsd00128cop10000bsd00256⇣ copbsd ⇣cop1,00000bsd02564cop5,00000bsd128cop10,00000bsd256cop25,00000bsd641cop50,00000bsd1282cop100,00000bsd2564