250期：【01,02,07,08,12,13,14,18,19,37】开（24）准√
251期：【11,30,33,34,35,40,43,45,46,47】开（14）准√
252期：【03,04,09,29,39,41,42,46,47,48】开（36）准√
253期：【18,21,22,27,28,29,32,33,38,39】开（47）准√
254期：【01,02,07,08,27,36,40,44,45,46】开（27）错×
255期：【05,06,12,15,17,28,32,33,38,39】开（30）准√
256期：【20,25,26,33,36,41,42,46,47,48】开（？）