12 Days of Christmas
29th139th
81st
99 Bottles of Beer
552nd
Abundant Numbers
304th
Abundant Numbers (Long)
208th
Arabic to Roman
378th
Arithmetic Numbers
184th
Ascending Primes
75th
ASCII Table
219th
Card Number Validation
101st
Catalan Numbers
278th
Christmas Trees
86th
Collatz
403rd
CSS Colors
211th
Day of Week
1st
115th
Diamonds
129th
Divisors
373rd
Emirp Numbers
315th
Emirp Numbers (Long)
163rd
Evil Numbers
435th
Evil Numbers (Long)
316th
Fibonacci
158th
967th
Fizz Buzz
176th683rd497th332nd70th71st496th432nd340th925th145th
Foo Fizz Buzz Bar
129th
373rd
Forsyth–Edwards Notation
95th
Fractions
477th
Happy Numbers
301st
Happy Numbers (Long)
192nd
ISBN
100th
Leap Years
192nd
Leyland Numbers
225th
Lucky Numbers
206th
Niven Numbers
151st
51st
164th
Niven Numbers (Long)
208th
Odious Numbers
335th
Odious Numbers (Long)
249th
Ordinal Numbers
48th
258th
PalindromemordnilaP
54th
Pangram Grep
39th
243rd
Pascal’s Triangle
570th
Pernicious Numbers
303rd
Pernicious Numbers (Long)
184th
Prime Numbers
469th
Prime Numbers (Long)
218th
Quine
95th
Reverse Polish Notation
137th
Rock-paper-scissors-Spock-lizard
206th
Roman to Arabic
151st
ROT13
194th
Seven Segment
287th
Spelling Numbers
20th
108th
Tic-tac-toe
81st
Time Distance
147th
Tongue-twisters
188th
Transpose Sentence
162nd
United States
107th