C1111121111331311211331333133313331333133313121111331333132313223311111   >>    C111112111133131121133133313331333133313331312111133133313231322331111   <<    C1111121111331311211331333133313331333133313121111331333132313223311113   >>      C1111121111331311211331333133313331333133313121111331333132313223311112   >>