Wt
HLt - Y
3d
Lt - O
5th
LLt - V
3d
M - B
5th
HD - Y
3d
D - O
5th
LD - V
Blk
The relation of a seventh followed by two fifths, when repeated, in
either mode, gives a large number of sequences of very great interest,
particularly for Representation.
151. Any two of the sequences which I have described as those of the
Vertical, or more than two, may be combined and used together. In
that case we have two or more colors to a value. The monotony which
is inevitable in any single vertical sequence is avoided in the
combination of two or more such sequences.