12 Days of Christmas
53rd
99 Bottles of Beer
22nd
Abundant Numbers
31st
5th
23rd
8th
brainfuck
6th
5th
24th
Christmas Trees
9th
Collatz
3rd
3rd
59th
CSS Colors
10th
37th
Day of Week
1st
Divisors
9th
6th
121st
Emirp Numbers
21st
9th
62nd
Evil Numbers
7th
7th
13th
8th
Fibonacci
64th
54th
144th
5th
Fizz Buzz
1st
1st
1st
14th
Foo Fizz Buzz Bar
13th
5th
24th
Forsyth–Edwards Notation
7th
Fractions
9th
6th
Game of Life
11th
2nd
Happy Numbers
18th
1st
38th
Hexdump
6th
2nd
Intersection
10th
3rd
19th
ISBN
15th
13th
Jacobi Symbol
4th
Kolakoski Sequence
15th
40th
Leap Years
14th
12th
1st
Levenshtein Distance
7th
Leyland Numbers
9th
Look and Say
4th
Lucky Numbers
3rd
4th
5th
Niven Numbers
1st
17th
1st
1st
14th
Odious Numbers
7th
11th
Ordinal Numbers
14th
10th
1st
Pangram Grep
12th
Pascal’s Triangle
1st
1st
5th
Pernicious Numbers
29th
Prime Numbers
17th
4th
86th
5th
Prime Numbers (Long)
1st
1st
31st
Quine
1st
1st
1st
25th
1st
51st
1st
Reverse Polish Notation
3rd
💎
16th
Rock-paper-scissors-Spock-lizard
3rd
Roman to Arabic
7th
1st
Rule 110
5th
7th
3rd
37th
Time Distance
5th
Tongue-twisters
17th
10th
17th
United States
4th
Vampire Numbers
15th
π
38th
30th
145th
7th
τ
25th