256期：←24码→（01,02,05,06,07,12,13,17,18,19,22,24,27,28,29,30,33,34,38,40,43,44,45,48）开：19准
257期：←24码→（01,02,03,06,07,08,09,12,19,20,21,25,26,28,29,34,35,36,38,39,41,44,48,49）开：08准
258期：←24码→（02,03,06,07,10,11,13,16,17,18,19,20,26,28,29,31,32,33,34,37,41,44,46,47）开：26准
259期：←24码→（02,03,05,07,09,14,15,19,20,26,28,31,32,34,39,40,42,43,44,45,46,47,48,49）开：46准
260期：←24码→（01,02,03,06,10,11,12,17,18,19,20,22,23,26,27,33,35,39,40,41,42,44,45,47）开：25错
261期：←24码→（02,10,12,15,16,17,18,19,25,26,28,29,31,32,33,34,38,39,43,44,45,47,48,49）开：20错
262期：←24码→（01,03,04,08,12,13,14,20,22,23,25,28,29,30,31,32,34,35,37,39,42,45,46,47）开：？？