Sub-cluster Analysis:

C-021 [561]  (#Grp: {9, 10, 11})

C-022 [5828]  (#Grp: {10, 11, 12})

C-023 [15803]  (#Grp: {10, 11, 12})

C-024 [10019]  (#Grp: {10, 11, 12})

Spikey Created with Wolfram Mathematica 9.0