+1 +1, +1+2, +1+3… +1+11 – Symmetrical (44 pitch) scale/mode
>> A0 – D7

+1 +1 +1, +1 +1 +2, +1 +1+3… +1+1+10 – Symmetrical (56 pitch) scale/mode
>> A0 – C7

+1 +1 +1 +1, +1 +1 +1 +2… +1+1+10 – Symmetrical (65 pitch) scale/mode
>> A0 – Bb7