           1           2   1.02305843505488     
           2           3   1.42108515490255     
           3           4   1.43977526067260     
           2           5  0.107989235344785     
           4           5   1.44009277463873     
           3           6  0.108613282062199     
           5           6   1.43977545916408     
           2           7   1.38566967853001     
           4           7  0.107989368925818     
           6           7   1.42108517947671     
           7           8   1.02305829609216     
           1           9  0.974172207442301     
           1          10  0.974171432352969     
           1          11  0.984877675691669     
           3          12  0.972663579513166     
           4          13  0.974319429648672     
           5          14  0.974319425525391     
           6          15  0.972663441900038     
           8          16  0.974172322796397     
           8          17  0.974171421854300     
           8          18  0.984877693725805     
