So mien bac ngay 9/4 moi a e tham khao bo 64 so ,,,,33,32,31,36,30,37,34,39,23,22,21,26,20,27,24,29,13,12,11,16,10,17,14,19,63,62,61,66,60,67,64,69,03,02,01,06,00,07,04,09,73,72,71,76,70,77,74,79,43,42,41,46,40,47,44,49,93,92,91,96,90,97,94,99 ha dan 14 so 23 - 32, 16 - 61, 02 - 20, 27 - 72, 24 - 42, 14 - 41, 79 - 97