Divide the 4th digit of the lottery numbers (4-57) into 3 parts:
No.1 range: 4 - 21
No.2 range: 22 - 39
No.3 range: 40 - 57
Divide the 4th digit of the lottery numbers (4-57) into 3 parts:
No.1 range: 4 - 21
No.2 range: 22 - 39
No.3 range: 40 - 57