21  ENERGY = 1.6  Reverse
    1 G       0    2    0    1
    2 C       1    3    0    2
    3 T       2    4   12    3
    4 G       3    5   11    4
    5 G       4    6    0    5
    6 A       5    7    0    6
    7 A       6    8    0    7
    8 T       7    9    0    8
    9 T       8   10    0    9
   10 A       9   11    0   10
   11 C      10   12    4   11
   12 A      11   13    3   12
   13 G      12   14    0   13
   14 G      13   15    0   14
   15 G      14   16    0   15
   16 G      15   17    0   16
   17 T      16   18    0   17
   18 G      17   19    0   18
   19 A      18   20    0   19
   20 G      19   21    0   20
   21 C      20    0    0   21