12 Days of Christmas
119th
99 Bottles of Beer
127th
Abundant Numbers
73rd
brainfuck
20th
Christmas Trees
25th7th7th
76th
CSS Colors
Cubes
22nd
Day of Week
1st
Diamonds
4th
Divisors
17th
Emirp Numbers
20th
Evil Numbers
55th
Fibonacci
39th
Fizz Buzz
37th
Foo Fizz Buzz Bar
54th
Happy Numbers
25th
Leap Years
74th
Leyland Numbers
6th163rd
Morse Decoder
8th
Morse Encoder
18th
Niven Numbers
72nd
Odious Numbers
56th
Ordinal Numbers
12th
Pangram Grep
13th
Pascal’s Triangle
6th
Pernicious Numbers
53rd
Prime Numbers
77th
Quine
12th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
30th
Seven Segment
22nd
Sierpiński Triangle
17th
Spelling Numbers
13th
Sudoku
4th
United States