The 12 Major Keys as they rise mingled, with the 13th octave.

The same no longer mingled, meeting by fifths through 7 octaves.

The 7 of the 12 Minor Keys as they rise mingled, and the 13th octave.

The Key of each 7 meeting by fifths, unmingled.

The Key of the ascending scale written above, and of the descending scale
below.