28  ENERGY = 2.2  > RA7680
    1 T       0    2    0    1
    2 T       1    3    0    2
    3 C       2    4    0    3
    4 A       3    5    0    4
    5 A       4    6    0    5
    6 A       5    7    0    6
    7 A       6    8    0    7
    8 C       7    9    0    8
    9 T       8   10    0    9
   10 T       9   11   17   10
   11 T      10   12    0   11
   12 C      11   13    0   12
   13 C      12   14    0   13
   14 A      13   15    0   14
   15 A      14   16    0   15
   16 A      15   17    0   16
   17 A      16   18   10   17
   18 A      17   19    0   18
   19 C      18   20    0   19
   20 A      19   21    0   20
   21 A      20   22    0   21
   22 T      21   23    0   22
   23 A      22   24    0   23
   24 G      23   25    0   24
   25 A      24   26    0   25
   26 T      25   27    0   26
   27 T      26   28    0   27
   28 A      27    0    0   28