35  seq
    1 a       0    2   35    1
    2 a       1    3   34    2
    3 a       2    4    0    3
    4 a       3    5    0    4
    5 a       4    6    0    5
    6 a       5    7   32    6
    7 a       6    8   31    7
    8 a       7    9   30    8
    9 a       8   10   29    9
   10 a       9   11   28   10
   11 a      10   12   27   11
   12 a      11   13   26   12
   13 a      12   14   25   13
   14 a      13   15   24   14
   15 a      14   16   23   15
   16 a      15   17    0   16
   17 a      16   18    0   17
   18 a      17   19    0   18
   19 a      18   20    0   19
   20 a      19   21    0   20
   21 a      20   22    0   21
   22 a      21   23    0   22
   23 a      22   24   15   23
   24 a      23   25   14   24
   25 a      24   26   13   25
   26 a      25   27   12   26
   27 a      26   28   11   27
   28 a      27   29   10   28
   29 a      28   30    9   29
   30 a      29   31    8   30
   31 a      30   32    7   31
   32 a      31   33    6   32
   33 a      32   34    0   33
   34 a      33   35    2   34
   35 a      34    0    1   35