Divide the 3rd digit of the lottery numbers (3-39) into 12 parts:
No.1 range: 3 - 6
No.2 range: 7 - 9
No.3 range: 10 - 12
No.4 range: 13 - 15
No.5 range: 16 - 18
No.6 range: 19 - 21
No.7 range: 22 - 24
No.8 range: 25 - 27
No.9 range: 28 - 30
No.10 range: 31 - 33
No.11 range: 34 - 36
No.12 range: 37 - 39