RT-start
bp-sq
em-bp
end-em
to-MW
to-VK
RT-bp
start-MW
to-hr
sq-AR
RT-hr
bp-to
hr-VK
st-VK
sq-end
MW-sq
to-RT
em-er
bp-hr
MW-em
st-bp
to-start
em-st
st-end
VK-sq
hr-st