12 Days of Christmas
258th
99 Bottles of Beer
236th
Abundant Numbers
64th
Arrows
41st
brainfuck
165th
45th
Divisors
69th
Emirp Numbers
56th
Evil Numbers
106th
Forsyth–Edwards Notation
34th
Leap Years
86th
Levenshtein Distance
1st
Morse Decoder
27th
Niven Numbers
72nd
Pangram Grep
15th
Pernicious Numbers
53rd
Quine
1st84th32nd1st99th
Rock-paper-scissors-Spock-lizard
41st
Star Wars GPT
22nd
Van Eck Sequence
33rd
π
140th
φ