217期：〓(01,02,04,06,07,08,09,12,14,15,19,21,23,26,27,30,33,34,36,37,41,46,48,49)〓→开:26准
218期：〓(01,03,06,08,09,13,21,23,24,25,26,27,30,32,33,34,35,36,37,41,43,45,46,47)〓→开:17错
219期：〓(01,04,10,13,14,18,20,21,25,28,29,30,32,33,35,36,37,39,40,43,44,45,47,48)〓→开:43准
220期：〓(01,03,04,05,08,09,10,11,13,17,18,19,20,21,22,24,31,32,33,34,36,45,46,49)〓→开:48错
221期：〓(02,04,05,08,12,14,15,18,19,20,22,24,28,30,32,38,39,40,41,45,46,47,48,49)〓→开:??←