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 - 27

Part 3: 28 - 39

Part 4: 40 - 50

Part 5: 51 - 61

Part 6: 62 - 72

Part 7: 73 - 83