251期：三七码「01,02,05,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,29,30,32,33,36,37,38,41,43,45,46,47,49」=牛30对
252期：三七码「01,02,03,04,05,06,10,12,13,14,15,16,17,20,21,22,24,25,26,28,29,30,32,33,34,35,36,37,38,40,41,42,43,45,46,47,48」=鸡22对
253期：三七码「02,03,04,05,07,08,10,12,13,14,15,16,18,19,20,22,23,24,25,26,31,32,33,35,36,37,38,40,41,42,43,44,45,46,47,48,49」=0000对