20  ENERGY = 1.6  pBS35
    1 A       0    2    0    1
    2 U       1    3    0    2
    3 G       2    4   17    3
    4 G       3    5   16    4
    5 U       4    6   15    5
    6 G       5    7   14    6
    7 A       6    8    0    7
    8 C       7    9    0    8
    9 C       8   10    0    9
   10 G       9   11    0   10
   11 G      10   12    0   11
   12 G      11   13    0   12
   13 C      12   14    0   13
   14 C      13   15    6   14
   15 G      14   16    5   15
   16 C      15   17    4   16
   17 C      16   18    3   17
   18 G      17   19    0   18
   19 A      18   20    0   19
   20 U      19    0    0   20