Dx     Dy    ==> xc(i)=xvar+dx, yc(i)=yvar+dy  for AW_Ser
 -109.87  161.47
 -159.57  -17.29
  -76.96 -398.54
   94.49 -417.79
  242.06 -153.71
  375.70  125.22
  271.32  194.83
   65.99  367.80
 -375.85  267.98