  11  20   4  15     0.00000    -0.81303                                    20Na
  11  21   5  23     0.00000     1.02777                                    21Na
  11  22   8  17     0.00000     0.05890                                    22Na
  11  23   8  15     0.00000     1.61076                                    23Na
  11  24   8  16    -0.28392    -0.34052                                    24Na
  11  25   8  16     0.00000     0.33781                                    25Na
  11  26   8  15     0.00000    -0.01959                                    26Na
