yb-pi
jg-ej
yb-KN
LD-start
end-UF
UF-yb
yb-xd
qx-yb
xd-end
jg-KN
start-qx
start-ej
qx-LD
jg-LD
xd-LD
ej-qx
end-KN
DM-xd
jg-yb
ej-LD
qx-UF
UF-jg
qx-jg
xd-UF