20  ENERGY = 1.5  1
    1 A       0    2    0    1
    2 C       1    3    0    2
    3 T       2    4    0    3
    4 C       3    5    0    4
    5 C       4    6    0    5
    6 G       5    7   12    6
    7 G       6    8    0    7
    8 C       7    9    0    8
    9 T       8   10    0    9
   10 T       9   11    0   10
   11 G      10   12    0   11
   12 C      11   13    6   12
   13 G      12   14    0   13
   14 T      13   15    0   14
   15 T      14   16    0   15
   16 C      15   17    0   16
   17 T      16   18    0   17
   18 G      17   19    0   18
   19 T      18   20    0   19
   20 T      19    0    0   20