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（39）准√
257期：【10,11,12,13,18,19,28,40,45,46】开（08）准√
258期：【03,04,08,09,15,29,41,42,47,48】开（40）准√
259期：【03,07,12,13,18,19,30,34,35,41】开（29）准√
260期：【03,05,06,26,28,37,43,44,47,49】开（40）准√
261期：【03,19,20,25,26,41,42,43,47,48】开（01）准√
262期：【20,21,26,31,36,37,41,42,47,48】开（44）准√
263期：【05,06,12,20,22,37,43,44,46,49】开（13）准√
264期：【01,05,06,07,11,16,17,37,41,47】开（30）准√
【15准14】
265期：【01,02,07,08,30,34,35,38,48,49】开（16）准√
266期：【18,23,24,29,35,37,38,40,45,46】开（27）准√
267期：【05,06,08,09,23,32,33,38,39,45】开（12）准√
268期：【01,02,05,07,08,10,29,40,45,46】开（22）准√
269期：【05,11,16,17,32,33,38,39,47,48】开（11）错×
270期：【05,06,15,23,27,29,39,43,44,49】开（42）准√
271期：【01,10,11,16,17,41,42,43,44,49】开（40）准√
272期：【04,24,32,33,38,39,42,43,44,49】开（30）准√
273期：【01,02,07,08,33,40,42,45,46,49】开（？）