XSMB 21/7/2022 BTL 81 STL 08 80 Dàn đề (51 số) 00,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,28,30,31,38,40,41,48,50,51,58,60,61,68,70,71,78,80,81,82,83,84,85,86,87,88,89,90,91,98