Divide the 2nd digit of the lottery numbers (2-21) into 5 parts:
No.1 range: 2 - 5
No.2 range: 6 - 9
No.3 range: 10 - 13
No.4 range: 14 - 17
No.5 range: 18 - 21
Divide the 2nd digit of the lottery numbers (2-21) into 5 parts:
No.1 range: 2 - 5
No.2 range: 6 - 9
No.3 range: 10 - 13
No.4 range: 14 - 17
No.5 range: 18 - 21