The 1st digit is divided into 5 parts

Divide the 1st digit of the lottery numbers (1-28) into 5 parts:

No.1 range: 1 - 6

No.2 range: 7 - 12

No.3 range: 13 - 18

No.4 range: 19 - 23

No.5 range: 24 - 28