C111112111133131121133133313331333133313331323133313331333133313112121111331121   >>    C11111211113313112113313331333133313331333132313331333133313331311212111133112   <<    C111112111133131121133133313331333133313331323133313331333133313112121111331123   >>      C111112111133131121133133313331333133313331323133313331333133313112121111331122   >>