12 Days of Christmas
64th
brainfuck
31st
28th
Card Number Validation
12th
Christmas Trees
47th
Diamonds
18th
Divisors
64th
Evil Numbers
91st
Fibonacci
1,489th188th
Fizz Buzz
164th572nd310th
320th1,993rd107th
Foo Fizz Buzz Bar
31st
Hexdump
13th
Look and Say
16th
Niven Numbers
45th
54th
Niven Numbers (Long)
26th
29th
Odious Numbers
67th
Prime Numbers
224th
1,004th68th
Quine
56th
π
103rd
15th