Wt
GB HLt RO
YG Lt VR
OY LLt BV
RO M GB
VR HD YG
BV D OY
GB LD RO
Blk
Here the mode is changed and the combined sequences inverted. The
combined sequences may be both in the same mode or in different modes.
When the modes are different the sequences come into contact, and in
some cases cross one another.