C1111121111331311211331333133313331333133313223313113313331323133313123131   >>    C111112111133131121133133313331333133313331322331311331333132313331312313   <<    C1111121111331311211331333133313331333133313223313113313331323133313123133   >>      C1111121111331311211331333133313331333133313223313113313331323133313123132   >>