Divide 1 to 32 into 8 scales

Divide the numbers from 1-32 into 8 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