19  ENERGY = 1.4  > RA7680
    1 G       0    2    0    1
    2 T       1    3    0    2
    3 C       2    4    0    3
    4 T       3    5    0    4
    5 T       4    6    0    5
    6 C       5    7    0    6
    7 A       6    8    0    7
    8 G       7    9    0    8
    9 G       8   10    0    9
   10 G       9   11    0   10
   11 T      10   12    0   11
   12 C      11   13   18   12
   13 T      12   14    0   13
   14 T      13   15    0   14
   15 C      14   16    0   15
   16 A      15   17    0   16
   17 G      16   18    0   17
   18 G      17   19   12   18
   19 A      18    0    0   19