271期:杀=02,08,13,15,17,20,21,39,44,45,（共10个）开40准
272期:杀=01,02,08,11,14,18,23,36,42,43,（共10个）开30准
273期:杀=03,05,19,20,22,32,34,35,46,48,（共10个）开41准
274期:杀=03,09,14,15,17,18,28,33,40,44,（共10个）开49准
275期:杀=02,04,16,17,20,24,31,40,42,49,（共10个）开41准
276期:杀=06,17,22,25,31,35,37,38,40,41,（共10个）开29准
277期:杀=03,07,12,15,16,18,26,29,34,49,（共10个）开26错
278期:杀=10,21,23,26,33,36,37,40,47,48,（共10个）开07准
279期:杀=08,09,15,20,21,22,24,33,46,49,（共10个）开