221期:〓〓半数01,02,03,06,07,11,13,15,16,18,20,23,24,26,27,31,32,33,34,35,40,41,46,49》开01准
222期:〓〓半数03,05,10,11,12,14,15,16,17,18,19,23,24,25,35,36,39,40,43,45,46,47,48,49》开26错
223期:〓〓半数03,07,11,12,14,15,17,18,20,21,22,24,25,30,32,34,35,36,41,43,44,47,48,49》开23错
224期:〓〓半数01,04,05,07,08,10,11,12,14,15,16,17,18,20,23,25,27,32,35,40,45,46,48,49》开？？