Divide the 5th digit of the lottery numbers (5-43) into 12 parts:
No.1 range: 5 - 8
No.2 range: 9 - 12
No.3 range: 13 - 16
No.4 range: 17 - 19
No.5 range: 20 - 22
No.6 range: 23 - 25
No.7 range: 26 - 28
No.8 range: 29 - 31
No.9 range: 32 - 34
No.10 range: 35 - 37
No.11 range: 38 - 40
No.12 range: 41 - 43