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AA BB CC DD EE
201902 X 1000 1 1
201902 X 1000 2 2
201902 X 1001 4 3
201902 Y 2000 6 4
201902 Y 2001 8 5
201903 Y 2002 10 6
201904 Y 2002 12 7
AA BB DD
201902 X 6
201902 Y 14
201903 Y 10
201904 Y 12