12 Days of Christmas
269th
99 Bottles of Beer
248th
Abundant Numbers
63rd
Arrows
40th
brainfuck
168th
42nd
Divisors
68th
Emirp Numbers
63rd
Evil Numbers
105th
Forsyth–Edwards Notation
34th
Leap Years
85th
Levenshtein Distance
16th
Morse Decoder
27th
Niven Numbers
69th
Pangram Grep
15th
Pernicious Numbers
52nd
Quine
1st81st31st1st99th
Rock-paper-scissors-Spock-lizard
40th
Star Wars GPT
22nd
Van Eck Sequence
33rd
π
142nd
φ