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 - 11

Part 2: 12 - 21

Part 3: 22 - 31

Part 4: 32 - 41

Part 5: 42 - 51

Part 6: 52 - 61

Part 7: 62 - 71