12 Days of Christmas
42nd
Abundant Numbers
95th
164th
Arithmetic Numbers
29th
brainfuck
108th
Card Number Validation
79th
Collatz
150th
Divisors
501st
Fibonacci
193rd
Fizz Buzz
62nd
Foo Fizz Buzz Bar
1st
Game of Life
83rd
Intersection
145th
ISBN
129th
Kaprekar Numbers
88th
Maze
86th
Niven Numbers
207th
ROT13
96th
Sierpiński Triangle
197th
Tic-tac-toe
13th