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O (T, C) - Coggle Diagram
O
T
T
T
T
T
C
C
T
C
C
T
T
T
C
C
T
C
C
T
T
C
C
C
T
T
C
C
T
C
C
T
T
T
T
C
C
C
T
T
C
C
T
T
C
C
T
C