24  T2
    1 T       0    2    0    1
    2 A       1    3    0    2
    3 G       2    4    0    3
    4 G       3    5   14    4
    5 T       4    6   13    5
    6 G       5    7   12    6
    7 A       6    8    0    7
    8 A       7    9    0    8
    9 G       8   10   23    9
   10 G       9   11   22   10
   11 C      10   12   21   11
   12 C      11   13    6   12
   13 A      12   14    5   13
   14 C      13   15    4   14
   15 T      14   16    0   15
   16 C      15   17    0   16
   17 C      16   18    0   17
   18 A      17   19    0   18
   19 A      18   20    0   19
   20 T      19   21    0   20
   21 G      20   22   11   21
   22 C      21   23   10   22
   23 C      22   24    9   23
   24 A      23    0    0   24