Sub-cluster Analysis:

SC-010 [1138]  (#Grp: {6, 7, 8})

SC-011 [77616]  (#Grp: {6, 7, 8, 9})

SC-012 [219554]  (#Grp: {6, 7, 8, 9})

SC-013 [313135]  (#Grp: {6, 7, 8, 9})

SC-014 [229930]  (#Grp: {6, 7, 8, 9})

SC-015 [5491]  (#Grp: {6, 7})

SC-016 [62585]  (#Grp: {6, 7})

Spikey Created with Wolfram Mathematica 9.0