case_id,output FP01,+15551234567 FP02,+15551234567 FP03,+15551234567 FP04,+15551234567 FP05,+15551234567 FP06,+15551234567 FP07,+15551234567 FP08,+15551234567 FP09,+15551234567;ext=123 FP10,+15551234567;ext=123 FP11,+15551234567;ext=123 FP12,+18003569377 FP13,+15552255669 FP14,+442079460958 FP15,+442079460958 FP16,+493012345678 FP17,+33123456789 FP18,+81312345678 FP19,+61212345678 FP20,+15551234567 FP21,<error: insufficient digits - need 10 for US> FP22,<error: too many digits> FP23,<error: invalid - all zeros> FP24,<error: invalid - reserved/placeholder pattern> FP25,<error: multiple numbers detected - split into separate cells first> FP26,+15551234567 FP27,+15551234567 FP28,+15551234567 FP29, FP30,<error: unparseable - 'TBD'> FP31,<error: unparseable - too few digits after cleanup>