C111112111133131121133133313331333133313331322121111331333131221231   >>    C11111211113313112113313331333133313331333132212111133133313122123   <<    C111112111133131121133133313331333133313331322121111331333131221233   >>      C111112111133131121133133313331333133313331322121111331333131221232   >>