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