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