24  > RA7680
    1 C       0    2    0    1
    2 T       1    3    0    2
    3 T       2    4   16    3
    4 T       3    5   15    4
    5 G       4    6   14    5
    6 A       5    7   13    6
    7 T       6    8    0    7
    8 A       7    9    0    8
    9 T       8   10    0    9
   10 T       9   11    0   10
   11 T      10   12    0   11
   12 C      11   13    0   12
   13 T      12   14    6   13
   14 C      13   15    5   14
   15 A      14   16    4   15
   16 A      15   17    3   16
   17 C      16   18    0   17
   18 T      17   19    0   18
   19 G      18   20    0   19
   20 A      19   21    0   20
   21 A      20   22    0   21
   22 T      21   23    0   22
   23 G      22   24    0   23
   24 C      23    0    0   24