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  • Re: What do these three sets have in common?

    From HenHanna@NewsGrouper@user4055@newsgrouper.org.invalid to rec.puzzles,rec.games.trivia on Sat Feb 21 21:46:15 2026
    From Newsgroup: rec.games.trivia



    great problem!!!


    James Dow Allen <user4353@newsgrouper.org.invalid> posted:


    I'm thinking of three sets (of bit-strings) which are conceptually infinite. Each of the sets is in practical use and has a name.
    Here are the first twelve elements of each set:

    (A)
    1
    000
    010
    00100
    00110
    01100
    01110
    0010100
    0010110
    0011100
    0011110
    0110100

    (B)
    11
    011
    0011
    1011
    00011
    10011
    01011
    000011
    100011
    010011
    001011
    101011

    (C)
    00
    01
    100
    101
    1100
    1101
    11100
    11101
    111100
    111101
    1111100
    1111101

    Each of the infinite sets has the same special and useful property.
    __ What is that property? __
    Please rot13 any solution.

    Dearest regards. James Dow Allen (mail address: jamesdowallen at gmail)
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