HOW TO RETURN repstrings str:
    PUT {} IN reps
    FOR len IN {0..floor(#str/2-1)}:
        PUT str|floor(#str/2-len) IN rep
        PUT rep IN rpt
        WHILE #rpt < #str: PUT rpt^rep IN rpt
        IF rpt|#str = str: INSERT rep IN reps
    RETURN reps

PUT {} IN tests
PUT "1001110011" IN tests[1]
PUT "1110111011" IN tests[2]
PUT "0010010010" IN tests[3]
PUT "1010101010" IN tests[4]
PUT "1111111111" IN tests[5]
PUT "0100101101" IN tests[6]
PUT "0100100" IN tests[7]
PUT "101" IN tests[8]
PUT "11" IN tests[9]
PUT "00" IN tests[10]
PUT "1" IN tests[11]

FOR t IN tests:
    WRITE t, repstrings t /