The difference between the 1st and 2nd digits is divided into 5 portions

The difference between the 1st and 2nd digit of the lottery numbers is divided into 5 parts.

Part 1: 1 - 7

Part 2: 8 - 14

Part 3: 15 - 20

Part 4: 21 - 26

Part 5: 27 - 32