C1111121111331311211331333133313113313331323113121111133313223311111   >>    C111112111133131121133133313331311331333132311312111113331322331111   <<    C1111121111331311211331333133313113313331323113121111133313223311113   >>      C1111121111331311211331333133313113313331323113121111133313223311112   >>