12 Days of Christmas
338th
99 Bottles of Beer
154th
Abundant Numbers
55th
Arabic to Roman
68th
brainfuck
84th
Christmas Trees
110th
CSS Colors
27th
Divisors
163rd
Evil Numbers
142nd
Fibonacci
117th
Fizz Buzz
395th
Leap Years
97th
Leyland Numbers
42nd
Niven Numbers
116th
Odious Numbers
122nd
Ordinal Numbers
73rd
Pangram Grep
100th
Pernicious Numbers
79th
Prime Numbers
176th
Quine
182nd
Rock-paper-scissors-Spock-lizard
70th
Seven Segment
61st
Spelling Numbers
40th
United States
λ
78th
π
172nd