Divide the 1st digit of the lottery numbers (1-50) into 7 parts:
No.1 range: 1 - 8
No.2 range: 9 - 15
No.3 range: 16 - 22
No.4 range: 23 - 29
No.5 range: 30 - 36
No.6 range: 37 - 43
No.7 range: 44 - 50
Divide the 1st digit of the lottery numbers (1-50) into 7 parts:
No.1 range: 1 - 8
No.2 range: 9 - 15
No.3 range: 16 - 22
No.4 range: 23 - 29
No.5 range: 30 - 36
No.6 range: 37 - 43
No.7 range: 44 - 50