upper_x

upper_y

upper_xy

QCF_x

QCF_y

QCF_c

QCF_xy

QCB_a

QCB_b

FF_ab

FF_a

FF_b

FF ;Required (do not remove)

BB ;Required (do not remove)

recovery;Required (do not remove)

down_a

down_b

a

b

c

x

y

z

start

holda

holdb

holdc

holdx

holdfwd;Required (do not remove)

holdback;Required (do not remove)

holdup ;Required (do not remove)

holddown;Required (do not remove)