203期：01,06,07,08,09,10,12,17,19,20,24,25,26,28,29,32,37,40,41,42,43,45,47,49··（共半数）开25准
204期：04,05,06,07,08,11,12,14,17,18,19,20,24,26,29,32,33,34,37,39,42,44,45,46··（共半数）开05准
205期：02,03,05,06,07,08,10,13,14,15,16,18,19,22,24,25,27,28,35,36,37,41,46,48··（共半数）开？？！