Divide the 1st digit of the lottery numbers (1-28) into 7 parts:
No.1 range: 1 - 4
No.2 range: 5 - 8
No.3 range: 9 - 12
No.4 range: 13 - 16
No.5 range: 17 - 20
No.6 range: 21 - 24
No.7 range: 25 - 28
Divide the 1st digit of the lottery numbers (1-28) into 7 parts:
No.1 range: 1 - 4
No.2 range: 5 - 8
No.3 range: 9 - 12
No.4 range: 13 - 16
No.5 range: 17 - 20
No.6 range: 21 - 24
No.7 range: 25 - 28