252期：<<09,12,23,24,25,30,31,33,36,38,40,41,45,46,47,48>>开：23有
253期：<<04,13,16,17,18,19,21,26,30,34,35,36,43,44,47,49>>开：33无
254期：<<03,04,06,11,13,14,21,22,26,27,31,32,36,37,38,42>>开：17无
255期：<<03,06,07,09,10,15,16,17,21,26,27,29,32,36,42,46>>开：42有
256期：<<03,06,07,13,14,15,18,21,23,27,28,38,43,45,47,48>>开：48有
257期：<<01,02,03,04,10,12,14,16,17,19,22,33,36,41,42,47>>开：88
