The Divide into 7 portions of sum of the 4th and 5th digits

The sum of the 4th digit and the 5th digit of the lucky draw number is divided into 7 divisions

Part 1: 4 - 15

Part 2: 16 - 26

Part 3: 27 - 37

Part 4: 38 - 48

Part 5: 49 - 59

Part 6: 60 - 70

Part 7: 71 - 81