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F is t

F is tF is tF is tF is tF is tF is t
F is tF is tF is tF is tF is tF is t
F is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is tF is t