23  ENERGY = -0.3  ham1-1
    1 C       0    2    0    1
    2 C       1    3    9    2
    3 G       2    4    8    3
    4 G       3    5    0    4
    5 C       4    6    0    5
    6 G       5    7    0    6
    7 T       6    8    0    7
    8 C       7    9    3    8
    9 G       8   10    2    9
   10 A       9   11    0   10
   11 A      10   12    0   11
   12 C      11   13    0   12
   13 C      12   14    0   13
   14 A      13   15    0   14
   15 T      14   16    0   15
   16 A      15   17    0   16
   17 A      16   18    0   17
   18 T      17   19    0   18
   19 A      18   20    0   19
   20 A      19   21    0   20
   21 T      20   22    0   21
   22 C      21   23    0   22
   23 C      22    0    0   23