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 - 15

Part 2: 16 - 29

Part 3: 30 - 43

Part 4: 44 - 57

Part 5: 58 - 71

Part 6: 72 - 85

Part 7: 86 - 99