19  ENERGY = 1.5  > RA7680
    1 A       0    2    0    1
    2 G       1    3    0    2
    3 A       2    4    0    3
    4 A       3    5    0    4
    5 G       4    6    0    5
    6 T       5    7    0    6
    7 C       6    8    0    7
    8 C       7    9    0    8
    9 C       8   10    0    9
   10 A       9   11    0   10
   11 G      10   12   17   11
   12 A      11   13    0   12
   13 A      12   14    0   13
   14 G      13   15    0   14
   15 T      14   16    0   15
   16 C      15   17    0   16
   17 C      16   18   11   17
   18 T      17   19    0   18
   19 C      18    0    0   19