⇣ copbsd ⇣cop100bsd00003cop500bsd00013cop1000bsd00025cop2000bsd00050cop5000bsd00126cop10000bsd00252⇣ copbsd ⇣cop1,00000bsd02520cop5,00000bsd126cop10,00000bsd252cop25,00000bsd630cop50,00000bsd1260cop100,00000bsd2520