section b-b b-b

section r-r r-r

section l-l l-l

black direct R-L code

direct fast blue

white direct R-L code

Fast blue B

L-b-L assembly preparation

L(r) r>1 mixingale sequence

L(∞)-L(l) estimate

L~∞-L~l estimate

direct blue

Direct blue B2R

direct fast black

direct fast bordeaux

direct fast brilliant yellow

direct fast brown

direct fast dye

direct fast grey