Divide 1 to 41 into 10 scales

Divide the numbers from 1-41 into 10 scales, with each scale representing the following numerical intervals:

Size 1st: 1 - 5

Size 2nd: 6 - 9

Size 3rd: 10 - 13

Size 4th: 14 - 17

Size 5th: 18 - 21

Size 6th: 22 - 25

Size 7th: 26 - 29

Size 8th: 30 - 33

Size 9th: 34 - 37

Size 10th: 38 - 41