Divide the 1st digit of the lottery numbers (1-54) into 9 parts:
No.1 range: 1 - 6
No.2 range: 7 - 12
No.3 range: 13 - 18
No.4 range: 19 - 24
No.5 range: 25 - 30
No.6 range: 31 - 36
No.7 range: 37 - 42
No.8 range: 43 - 48
No.9 range: 49 - 54