The difference between the 1st and 2nd digits is divided into 7 portions

The difference between the 1st and 2nd digit of the lottery numbers is divided into 7 parts.

Part 1: 1 - 5

Part 2: 6 - 10

Part 3: 11 - 15

Part 4: 16 - 20

Part 5: 21 - 24

Part 6: 25 - 28

Part 7: 29 - 32