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