C111112111133131121133133313331333133313331322121111331333133313232213123131   >>    C11111211113313112113313331333133313331333132212111133133313331323221312313   <<    C111112111133131121133133313331333133313331322121111331333133313232213123133   >>      C111112111133131121133133313331333133313331322121111331333133313232213123132   >>