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      10    0    0    0    0    0    1    1    1    1    1
      20    0    0    0    0    0    2    2    2    2    2
      40    0    0    0    0    0    2    2    2    2    2
      50    0    0    0    0    0    1    1    1    1    1
      60    0    0    0    0    0    1    1    1    1    1
