12 Days of Christmas
27th
Abundant Numbers
19th
brainfuck
25th
Christmas Trees
22nd
Diamonds
31st
Divisors
15th
Emirp Numbers
26th
Evil Numbers
46th
Fibonacci
40th
Fizz Buzz
20th
Happy Numbers
47th
Leap Years
15th
Morse Decoder
11th
Niven Numbers
37th
Odious Numbers
51st
Ordinal Numbers
16th
Pangram Grep
37th
Pascalβs Triangle
40th
Pernicious Numbers
50th
Prime Numbers
39th
Quine
18th
Roman to Arabic
16th
Seven Segment
51st