           1           2   1.43847381207513     
           2           3   1.42342758196648     
           3           4   1.41973885460846     
           4           5   1.33488948020505     
           1           6   1.43428660641530     
           5           6   1.37505032196030     
           5           7   1.06111947385590     
           7           8   1.06111877789460     
           8           9   1.37505055795522     
           9          10   1.43428685208325     
          10          11   1.43847376474291     
          11          12   1.42342775917740     
           8          13   1.33488948529971     
          12          13   1.41973816416181     
           4          14   1.01587438601543     
          13          14   1.01587534383853     
           1          15  0.974052537164835     
           2          16  0.973573540783567     
           3          17  0.973556022421715     
           6          18  0.972430107480046     
           7          19  0.917623976078462     
           9          20  0.972430043481386     
          10          21  0.974052362993246     
          11          22  0.973573536935078     
          12          23  0.973556069415057     
