           1           2  0.988068320770393     
           2           3   1.66336425148654     
           2           4   1.17083631475021     
           3           4  0.140148332264769     
           4           5   1.03517642930194     
           5           6   1.38390132713149     
           6           7   1.44193652446270     
           7           8   1.43465178895734     
           6           9  0.104687458704385     
           8           9   1.43249703355547     
           5          10   1.34857414883097     
           9          10   1.42859132588664     
          10          11  0.992381225303840     
           1          12  0.978860507861275     
           1          13  0.964895515387452     
           1          14  0.982070361645844     
           4          15  0.905539029627050     
           6          16  0.962146046328383     
           7          17  0.973673286722488     
           8          18  0.972743296411711     
           9          19  0.974299642312141     
