317期：((03,04,07,08,17,24,26,29,32,35,36,39,41,45,48,49))开：24准
318期：((04,07,09,10,16,17,18,19,24,30,31,33,34,44,48,49))开：08错
319期：((01,03,05,11,18,24,25,27,31,33,38,39,41,43,46,49))开：05准
320期：((02,04,06,10,11,12,13,16,19,20,26,39,41,42,47,49))开：42准
321期：((07,08,13,19,20,21,27,28,29,34,35,40,43,45,46,49))开：==？