Miền bắc 9/3
Dàn đề 65 số
19,37,46,55,64,73,82,91,38,47,56,65,74,83,92,11,39,48,57,66,75,84,93,12,49,58,67,76,85,94,13,31,59,68,77,86,95,15,33,42,51,79,88,97,16,34,43,52,61,89,98,17,35,44,53,62,71,99,18,36,45,54,63,72,81
tứ thủ : 48,84 89,98
STĐ : 48,84. - BTĐ : 84
3 càng đề :0,1,2,3,4,7,8,9...