276期：⑤不中{28,11,39,32,35}开16 22 34 13 21 25 = 09 <对>
277期：⑤不中{04,02,18,45,43}开46 11 41 33 48 37 = 16 <对>
278期：⑤不中{31,21,24,03,28}开04 18 33 34 45 39 = 28 <错>)
279期：⑤不中{47,12,32,09,06}开37 01 26 42 39 30 = 27 <对>
280期：⑤不中{19,38,43,42,10}开36 49 44 32 35 28 = 42 <错>)
281期：⑤不中{41,43,45,25,23}开？<对>