12 Days of Christmas
209th
99 Bottles of Beer
204th
Abundant Numbers
49th
Arrows
29th
brainfuck
122nd
Divisors
55th
Emirp Numbers
44th
Evil Numbers
88th
Forsyth–Edwards Notation
19th
Leap Years
72nd
Levenshtein Distance
1st
Morse Decoder
21st
Niven Numbers
53rd
Pangram Grep
13th
Pernicious Numbers
42nd
Quine
1st
71st
25th
1st
84th
Rock-paper-scissors-Spock-lizard
31st
Van Eck Sequence
22nd
π
106th
23rd
φ
50th