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 - 8

Part 2: 9 - 16

Part 3: 17 - 23

Part 4: 24 - 30

Part 5: 31 - 37

Part 6: 38 - 44

Part 7: 45 - 51