22 scale mapping

Paul Erlich writes TD 673:

> Well you still might want to try the other keyboard mapping in my paper,
> which is a 12-tone mapping (octaves remain octaves), the full scale being
> known as the hexachordal dodecatonic scale. It gives you a symmetrical
> decatonic scale if you avoid B and F, and it gives you two different
> pentachordal decatonic scales if you avoid either (B and E) or (C and F).
>
Manuel op de Coul was kind enough to send me the recent mapping file
which leaves the "B's" unmapped, so I will enjoy experimenting with
this...

Thanks!

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Joseph Pehrson