C111123313121111121111331333133313331333132232233133313332123312321   >>    C11112331312111112111133133313331333133313223223313331333212331232   <<    C111123313121111121111331333133313331333132232233133313332123312323   >>      C111123313121111121111331333133313331333132232233133313332123312322   >>