C111123313121111121111331333133313331333133313331333133313331333212112113121   >>    C11112331312111112111133133313331333133313331333133313331333133321211211312   <<    C111123313121111121111331333133313331333133313331333133313331333212112113123   >>      C111123313121111121111331333133313331333133313331333133313331333212112113122   >>