12 Days of Christmas
34th
Abundant Numbers (Long)
21st
38th
Arithmetic Numbers
8th16th
ASCII Table
18th
brainfuck
19th
Collatz
33rd
Evil Numbers
77th
Fibonacci
223rd
Fizz Buzz
147th
381st1,989th165th
Foo Fizz Buzz Bar
64th
94th
Fractions
36th
ISBN
24th48th23rd21st
Leap Years
78th
281st
Medal Tally
16th
Niven Numbers
56th
Niven Numbers (Long)
20th
Pangram Grep
25th
Prime Numbers
59th
Prime Numbers (Long)
38th
Roman to Arabic
24th
Seven Segment
31st
Spelling Numbers
17th