269期，正码02,18,11,04,13K.02 13 √
270期，正码07,11,28,21,02K.28 √
271期，正码21,36,03,29,04K.29 03 √
272期，正码34,22,49,31,39K.22 31 √
273期，正码38,02,37,47,19K.x
274期，正码16,31,14,09,20K.09 √
275期，正码44,49,34,05,28K.x
276期，正码43,08,34,20,36K.08 √
277期，正码12,29,07,05,35K.x
278期，正码46,44,03,31,35K.44 √
□□□□□□＜10-7＞□□□□□□
279期，正码24,48,14,18,02K.24 02 √
280期，正码47,05,10,31,46K.46 √
281期，正码35,34,45,10,16K.10 16 √
282期，正码48,18,32,09,40K.09 √
283期，正码22,33,48,47,09K.????√
