C111112111133131121133133313331333133313123221211113313221323231333131   >>    C11111211113313112113313331333133313331312322121111331322132323133313   <<    C111112111133131121133133313331333133313123221211113313221323231333133   >>      C111112111133131121133133313331333133313123221211113313221323231333132   >>