12 Days of Christmas
25th
Abundant Numbers
13th
brainfuck
25th
Christmas Trees
22nd
Diamonds
32nd
Divisors
14th
Emirp Numbers
27th
Evil Numbers
49th
Fibonacci
8th
Fizz Buzz
20th
Happy Numbers
48th
Leap Years
7th
Morse Decoder
11th
Niven Numbers
37th
Odious Numbers
53rd
Ordinal Numbers
13th
Pangram Grep
36th
Pascalβs Triangle
41st
Pernicious Numbers
53rd
Prime Numbers
38th
Quine
19th
Roman to Arabic
16th
Seven Segment
50th