12 Days of Christmas
245th
99 Bottles of Beer
231st
Abundant Numbers
56th
Arrows
35th
brainfuck
155th
36th
Divisors
63rd
Emirp Numbers
50th
Evil Numbers
96th
Forsyth–Edwards Notation
30th
Leap Years
75th
Levenshtein Distance
1st
Morse Decoder
26th
Niven Numbers
63rd
Pangram Grep
15th
Pernicious Numbers
50th
Quine
1st81st29th1st99th
Rock-paper-scissors-Spock-lizard
36th
Star Wars GPT
19th
Van Eck Sequence
31st
π
129th
26th
φ
56th