271期，正码23,41,04,43,16K.16 √
272期，正码18,11,24,45,47K.24 18 √
273期，正码24,30,39,31,08K.24 30 √
274期，正码02,13,17,45,19K.x
275期，正码29,48,46,13,09K.09 √
276期，正码09,40,01,04,48K.x
277期，正码41,27,20,06,15K.27 √
278期，正码29,44,40,08,26K.x
279期，正码30,46,15,38,07K.x
280期，正码44,40,20,46,06K.40 √
□□□□□□＜10-6＞□□□□□□
281期，正码40,38,23,27,33K.23 √
282期，正码44,29,21,13,09K.09 13 √
283期，正码44,28,37,12,06K.????√
