The graph distances of the arrangement vertices from (1 1) :
(1 1) at distance 0
(7 1) at distance 20.0907
(3 7) at distance 20.4082
(1.85714 3.57143) at distance 7.34694
(1 4) at distance 8.26531
(4.33333 2.33333) at distance 11.2018
(2 2) at distance 10.9796
(9 3) at distance 28.0907
(3 3) at distance 8.97959
(4 4) at distance 10.9796
