251期：（（06,10,14,16,20,21,24,25,31,32,33,35,43,44,48,49））开：14中中中
252期：（（01,03,04,05,08,12,14,24,27,29,32,34,35,37,39,46））开：36错错错
253期：（（01,04,07,08,10,13,14,16,19,20,34,40,41,43,46,47））开：47中中中
254期：（（05,10,11,12,17,25,26,29,31,33,36,41,42,43,47,48））开：27错错错
255期：（（01,02,06,10,12,24,27,30,31,33,34,35,36,39,47,49））开：30中中中
256期：（（02,03,05,06,10,20,21,22,23,26,27,28,32,37,41,45））开：中？
