Divided into 6 parts of average

The average is the sum of the digits of the lottery numbers, divided by the number of numbers(6).

Divide the average into 6 parts:

Part 1st: 3 - 12

Part 2nd: 13 - 21

Part 3rd: 22 - 30

Part 4th: 31 - 39

Part 5th: 40 - 48

Part 6th: 49 - 57