205期半数<<04,06,07,10,11,12,15,17,19,20,21,22,23,24,25,26,27,28,29,31,35,36,39,41,42,44,46,47>>】开21准
206期半数<<01,05,06,08,09,10,11,13,15,16,17,18,19,20,21,22,23,25,32,34,35,36,38,40,43,44,45,48>>】开26错
207期半数<<03,08,11,12,13,15,17,18,19,22,23,24,26,27,28,30,33,36,37,38,39,40,41,42,43,46,47,48>>】开42准
208期半数<<02,03,04,07,09,10,12,16,18,19,23,25,27,29,31,34,36,37,38,39,41,42,43,45,46,47,48,49>>】开04准
209期半数<<02,04,05,07,08,12,13,14,15,16,17,18,19,23,24,25,26,27,28,33,34,36,37,39,40,43,45,49>>】开41错
210期半数<<01,05,06,08,11,12,14,15,18,20,22,23,24,25,26,27,29,30,31,33,34,36,38,42,43,47,48,49>>】开？？