12 Days of Christmas
42nd
Abundant Numbers
95th
163rd
Arithmetic Numbers
29th
brainfuck
107th
Card Number Validation
77th
Collatz
146th
Divisors
491st
Fibonacci
190th
Fizz Buzz
60th
Foo Fizz Buzz Bar
1st
Game of Life
81st
Intersection
144th
ISBN
126th
Kaprekar Numbers
86th
Maze
84th
Niven Numbers
203rd
ROT13
93rd
Sierpiński Triangle
193rd
Tic-tac-toe
13th