Cluster Index Z x y z 3 4.52 18 71 26 3 4.2 16 69 26 3 4.04 21 73 26 3 3.98 24 74 27 3 3.77 21 70 23 2 4.74 40 64 26 2 3.82 37 70 31 2 3.62 40 66 30 1 4.14 54 48 11 1 3.74 54 45 10