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555555555555555         222222222222222             00000000000000

5                                     2             0            0

5                                    2            0           0

555555555555555         222222222222222            0           0

             5        2                           0           0

             5        2                          0           0

555555555555555         222222222222222            00000000000000

      1               333333333333333                1               4           4

      1                             3                1                4           4

      1                             3                 1               4            4

       1                333333333333333                1               44444444444444

      1                             3                1                            4

      1                             3                1                            4

      1                333333333333333               1                            4