20  ENERGY = 1.8  pBS34
    1 A       0    2    0    1
    2 C       1    3    0    2
    3 T       2    4   16    3
    4 G       3    5   15    4
    5 G       4    6   14    5
    6 C       5    7   13    6
    7 C       6    8   12    7
    8 C       7    9    0    8
    9 G       8   10    0    9
   10 G       9   11    0   10
   11 C      10   12    0   11
   12 G      11   13    7   12
   13 G      12   14    6   13
   14 C      13   15    5   14
   15 T      14   16    4   15
   16 A      15   17    3   16
   17 A      16   18    0   17
   18 G      17   19    0   18
   19 G      18   20    0   19
   20 A      19    0    0   20