270期：24码《02,04,05,06,08,10,11,12,15,16,17,18,28,29,31,32,33,37,38,39,43,46,47,49》开：32对
271期：24码《02,05,07,08,11,12,14,16,17,18,19,20,21,22,24,27,30,31,32,33,38,44,47,48》开：22对
272期：24码《03,04,05,10,11,13,14,16,18,19,20,22,25,29,32,33,35,37,38,39,40,42,44,49》开：34错
273期：24码《01,04,05,07,08,09,10,13,14,17,18,19,22,23,29,32,35,36,37,39,42,44,47,49》开：？？