C1111133313331323223313331333133313113313121111331323131121131321211   >>    C111113331333132322331333133313331311331312111133132313112113132121   <<    C1111133313331323223313331333133313113313121111331323131121131321213   >>      C1111133313331323223313331333133313113313121111331323131121131321212   >>