270期，，精心计算二十八码，，01,02,03,05,07,08,10,11,17,18,19,20,22,23,24,27,28,29,31,32,35,38,40,43,45,46,48,49═开：32对
271期，，精心计算二十八码，，01,02,04,05,06,07,08,12,13,14,16,17,20,21,23,24,30,31,32,34,35,39,40,43,44,45,47,49═开：22错
272期，，精心计算二十八码，，01,02,04,05,06,11,13,15,18,20,21,23,25,27,29,30,35,36,37,38,39,40,41,42,44,45,47,48═开：=--=