Sub-cluster Analysis:

C-103 [165]  (#Grp: {9, 10, 11})

C-104 [128729]  (#Grp: {8, 9, 10, 11, 12, 13, 14, 15})

C-106 [23332]  (#Grp: {8, 9})

C-107 [131]  (#Grp: {8, 9})

C-110 [221468]  (#Grp: {7, 8, 9, 10})

C-111 [36072]  (#Grp: {7, 8, 9})

Spikey Created with Wolfram Mathematica 9.0