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：28无
258期：<<01,13,14,17,21,24,25,28,29,31,33,35,41,46,47,49>>开：38无
259期：<<02,12,14,16,17,20,24,25,27,28,30,37,40,42,45,49>>开：88