The Divide into 7 portions of sum of the 1st and 2nd digits

The sum of the 1st digit and the 2nd digit of the lucky draw number is divided into 7 divisions

Part 1: 1 - 12

Part 2: 13 - 24

Part 3: 25 - 36

Part 4: 37 - 48

Part 5: 49 - 60

Part 6: 61 - 72

Part 7: 73 - 83