C111123313121111121111331323133313331333132333133313113313222113121   >>    C11112331312111112111133132313331333133313233313331311331322211312   <<    C111123313121111121111331323133313331333132333133313113313222113123   >>      C111123313121111121111331323133313331333132333133313113313222113122   >>