Sub-cluster Analysis:
C-081 [2037] (#Grp: {9, 10, 11})
C-091 [3777] (#Grp: {9, 10, 11})
C-092 [3562] (#Grp: {9, 10, 11})
C-101 [69874] (#Grp: {9, 10, 11})
C-102 [211296] (#Grp: {9, 10, 11, 12, 13})