2021/12/input


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TR-start
xx-JT
xx-TR
hc-dd
ab-JT
hc-end
dd-JT
ab-dd
TR-ab
vh-xx
hc-JT
TR-vh
xx-start
hc-ME
vh-dd
JT-bm
end-ab
dd-xx
end-TR
hc-TR
start-vh