12 Days of Christmas
66th
brainfuck
32nd
29th
Card Number Validation
15th
Christmas Trees
48th
Diamonds
20th
Divisors
67th
Evil Numbers
95th
Fibonacci
1,525th196th
Fizz Buzz
168th584th316th
324th2,031st109th
Foo Fizz Buzz Bar
34th
Hexdump
16th
Look and Say
17th
Niven Numbers
49th
56th
Niven Numbers (Long)
27th
32nd
Odious Numbers
71st
Prime Numbers
231st
1,030th70th
Quine
58th
π
106th
16th