017期====03,05,11,12,13,14,15,20,21,24,25,29,32,33,35,37,38,39,41,44,46,47,48,49··(共半数) 中:38准
018期====04,05,06,07,08,09,12,13,15,17,19,23,25,26,27,28,30,31,35,38,42,46,48,49··(共半数) 中:10错
019期====02,05,06,07,11,12,13,15,16,19,21,22,23,26,27,29,33,34,35,37,41,42,48,49··(共半数) 中:?