C1111121111331311211331333133313331333133313231333133313331333131331123111   >>    C111112111133131121133133313331333133313331323133313331333133313133112311   <<    C1111121111331311211331333133313331333133313231333133313331333131331123113   >>      C1111121111331311211331333133313331333133313231333133313331333131331123112   >>