Sub-cluster Analysis:

C-020 [388]  (#Grp: {10})

C-028 [651]  (#Grp: {10})

C-037 [1367]  (#Grp: {10})

C-038 [1808]  (#Grp: {10})

C-058 [2239]  (#Grp: {10, 11, 12})

C-059 [770]  (#Grp: {10, 12})

Spikey Created with Wolfram Mathematica 9.0