Divide the 2nd digit of the lottery numbers (2-31) into 7 parts:
No.1 range: 2 - 6
No.2 range: 7 - 11
No.3 range: 12 - 15
No.4 range: 16 - 19
No.5 range: 20 - 23
No.6 range: 24 - 27
No.7 range: 28 - 31
Divide the 2nd digit of the lottery numbers (2-31) into 7 parts:
No.1 range: 2 - 6
No.2 range: 7 - 11
No.3 range: 12 - 15
No.4 range: 16 - 19
No.5 range: 20 - 23
No.6 range: 24 - 27
No.7 range: 28 - 31