   23  ENERGY = 1.9  reverse
    1 G       0    2    0    1
    2 G       1    3   21    2
    3 A       2    4   20    3
    4 G       3    5   19    4
    5 G       4    6   18    5
    6 C       5    7    0    6
    7 T       6    8    0    7
    8 T       7    9    0    8
    9 G       8   10    0    9
   10 T       9   11    0   10
   11 G      10   12    0   11
   12 T      11   13    0   12
   13 G      12   14    0   13
   14 A      13   15    0   14
   15 T      14   16    0   15
   16 A      15   17    0   16
   17 C      16   18    0   17
   18 C      17   19    5   18
   19 C      18   20    4   19
   20 T      19   21    3   20
   21 C      20   22    2   21
   22 T      21   23    0   22
   23 C      22    0    0   23
