０２１期:必中１５码：开－－对
03,05,06,07,08,10,15,17,19,20,25,27,29,30,32,34,37,39,41,42,43,44,46,49,(24码)
03,05,06,07,08,10,15,17,19,20,25,27,29,34,39,41,42,44,46,49,(20码)
03,05,06,07,08,15,17,19,20,34,39,41,42,44,49,(15码)