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F base

F baseF baseF baseF baseF baseF base
F baseF baseF baseF baseF baseF base
F baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF baseF base