Divide 1 to 43 into 11 scales

Divide the numbers from 1-43 into 11 scales, with each scale representing the following numerical intervals:

Size 1st: 1 - 4

Size 2nd: 5 - 8

Size 3rd: 9 - 12

Size 4th: 13 - 16

Size 5th: 17 - 20

Size 6th: 21 - 24

Size 7th: 25 - 28

Size 8th: 29 - 32

Size 9th: 33 - 36

Size 10th: 37 - 40

Size 11th: 41 - 43