12 Days of Christmas
11th
13th
143rd
9th
99 Bottles of Beer
1st
4th
2nd
6th
2nd
💎
1st
1st
3rd
💎
2nd
Abundant Numbers
4th
21st
13th
1st
6th
4th
10th
8th
1st
1st
3rd
1st
1st
Abundant Numbers (Long)
1st
1st
1st
3rd
5th
5th
1st
4th
3rd
Arabic to Roman
1st
2nd
1st
💎
💎
3rd
7th
3rd
4th
Arithmetic Numbers
8th
3rd
13th
1st
16th
2nd
Arrows
5th
Ascending Primes
2nd
17th
6th
17th
ASCII Table
4th
4th
💎
💎
💎
2nd
1st
8th
brainfuck
2nd
2nd
2nd
💎
2nd
Catalan Numbers
1st
6th
2nd
16th
1st
1st
1st
💎
1st
1st
1st
1st
Catalan’s Constant
1st
4th
29th
Christmas Trees
3rd
7th
8th
6th
3rd
Collatz
2nd
9th
1st
3rd
4th
10th
6th
2nd
4th
CSS Colors
2nd
7th
1st
💎
💎
22nd
16th
4th
Cubes
2nd
Day of Week
1st
4th
💎
1st
13th
6th
5th
1st
1st
1st
1st
1st
1st
DFA Simulator
2nd
Diamonds
5th
2nd
6th
14th
Divisors
2nd
8th
1st
1st
1st
1st
1st
6th
1st
2nd
1st
1st
10th
1st
6th
8th
1st
Emirp Numbers
2nd
3rd
5th
1st
1st
15th
3rd
4th
1st
3rd
34th
1st
5th
1st
1st
2nd
2nd
Emirp Numbers (Long)
2nd
3rd
3rd
2nd
3rd
Emojify
2nd
1st
3rd
7th
2nd
Evil Numbers
4th
5th
28th
18th
7th
14th
1st
3rd
1st
1st
19th
1st
7th
3rd
3rd
1st
1st
3rd
1st
1st
4th
3rd
8th
1st
2nd
4th
4th
3rd
3rd
1st
2nd
7th
2nd
2nd
7th
1st
Evil Numbers (Long)
13th
1st
1st
1st
1st
4th
1st
1st
5th
6th
1st
1st
2nd
Factorial Factorisation
2nd
1st
Farey Sequence
💎
18th
1st
6th
12th
💎
4th
💎
1st
5th
Fibonacci
1st
13th
💎
1st
3rd
9th
1st
1st
2nd
3rd
1st
1st
1st
9th
1st
1st
1st
1st
1st
1st
1st
7th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
7th
1st
6th
3rd
1st
3rd
1st
1st
5th
1st
Fizz Buzz
6th
1st
1st
1st
2nd
19th
1st
1st
22nd
4th
7th
1st
1st
1st
3rd
9th
1st
6th
1st
1st
1st
1st
1st
1st
1st
2nd
1st
5th
1st
Foo Fizz Buzz Bar
1st
4th
2nd
1st
4th
1st
7th
7th
1st
1st
1st
1st
1st
1st
1st
4th
5th
Forsyth–Edwards Notation
1st
3rd
5th
1st
5th
Fractions
3rd
1st
1st
1st
6th
7th
2nd
1st
1st
2nd
3rd
1st
1st
Game of Life
6th
3rd
4th
1st
💎
2nd
Gijswijt’s Sequence
3rd
4th
Happy Numbers
2nd
1st
4th
14th
1st
1st
6th
10th
9th
1st
1st
💎
1st
3rd
1st
1st
3rd
1st
1st
1st
1st
💎
3rd
1st
Happy Numbers (Long)
2nd
1st
6th
9th
1st
8th
💎
1st
3rd
1st
4th
1st
5th
Hexdump
11th
💎
💎
3rd
💎
14th
1st
Intersection
6th
10th
3rd
💎
Inventory Sequence
5th
7th
6th
3rd
1st
22nd
💎
10th
ISBN
3rd
💎
2nd
8th
1st
Jacobi Symbol
1st
7th
Kolakoski Constant
2nd
9th
Kolakoski Sequence
11th
1st
8th
17th
1st
1st
2nd
10th
6th
6th
4th
4th
Leap Years
5th
10th
1st
8th
47th
13th
1st
13th
1st
17th
20th
40th
1st
1st
17th
Levenshtein Distance
1st
1st
11th
1st
6th
4th
1st
1st
3rd
💎
1st
1st
Leyland Numbers
3rd
4th
4th
12th
ln 2
1st
1st
1st
Look and Say
1st
5th
1st
16th
9th
1st
3rd
16th
8th
3rd
Lucky Numbers
1st
5th
1st
2nd
16th
1st
3rd
Lucky Tickets
8th
5th
18th
9th
Maze
💎
2nd
31st
1st
1st
Medal Tally
2nd
8th
Morse Decoder
3rd
💎
4th
Morse Encoder
4th
Niven Numbers
1st
5th
1st
1st
1st
17th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
26th
3rd
1st
1st
1st
7th
2nd
1st
1st
2nd
1st
1st
Niven Numbers (Long)
1st
3rd
4th
1st
3rd
1st
1st
3rd
11th
1st
5th
12th
1st
3rd
3rd
1st
1st
1st
1st
1st
1st
4th
6th
3rd
1st
3rd
Number Spiral
5th
3rd
2nd
4th
2nd
8th
4th
2nd
2nd
💎
4th
Odious Numbers
4th
5th
8th
21st
16th
1st
1st
3rd
1st
6th
16th
1st
7th
35th
3rd
1st
1st
3rd
1st
6th
3rd
3rd
10th
14th
1st
2nd
4th
4th
1st
1st
1st
1st
7th
3rd
10th
1st
Odious Numbers (Long)
4th
16th
2nd
1st
1st
1st
4th
1st
1st
3rd
3rd
1st
2nd
1st
2nd
Ordinal Numbers
6th
3rd
16th
1st
5th
1st
1st
4th
💎
4th
1st
1st
1st
1st
1st
Pangram Grep
2nd
1st
19th
1st
3rd
💎
36th
2nd
9th
1st
2nd
3rd
Pascal’s Triangle
8th
16th
4th
1st
11th
12th
4th
1st
36th
1st
8th
1st
Pernicious Numbers
1st
4th
1st
1st
1st
1st
15th
1st
1st
1st
1st
15th
1st
1st
10th
1st
1st
1st
11th
1st
1st
14th
1st
1st
1st
1st
3rd
1st
1st
1st
2nd
1st
12th
1st
2nd
1st
1st
Pernicious Numbers (Long)
💎
8th
9th
12th
9th
4th
3rd
26th
4th
Poker
2nd
Prime Numbers
5th
7th
1st
6th
7th
16th
1st
6th
3rd
1st
4th
1st
1st
1st
7th
1st
1st
1st
1st
2nd
1st
7th
1st
1st
1st
1st
1st
1st
3rd
3rd
1st
1st
Prime Numbers (Long)
4th
1st
4th
1st
2nd
1st
4th
1st
1st
6th
1st
1st
1st
1st
1st
4th
1st
1st
Proximity Grid
3rd
2nd
3rd
💎
8th
1st
Quine
1st
1st
1st
5th
2nd
14th
1st
2nd
2nd
💎
1st
1st
2nd
1st
1st
6th
1st
3rd
9th
1st
1st
10th
1st
5th
1st
1st
1st
1st
1st
10th
1st
1st
1st
1st
1st
1st
2nd
1st
1st
1st
2nd
1st
43rd
1st
💎
1st
5th
Recamán
4th
3rd
4th
5th
3rd
1st
💎
2nd
Repeating Decimals
1st
1st
2nd
1st
1st
1st
Reverse Polish Notation
💎
1st
1st
2nd
1st
2nd
1st
Rijndael S-box
4th
2nd
2nd
Roman to Arabic
10th
6th
1st
2nd
2nd
1st
2nd
1st
5th
1st
4th
Rule 110
4th
1st
2nd
14th
1st
1st
Seven Segment
2nd
SI Units
3rd
2nd
Sierpiński Triangle
10th
10th
1st
7th
20th
10th
3rd
Spelling Numbers
1st
2nd
4th
Sudoku
7th
Sudoku v2
3rd
4th
2nd
💎
3rd
Time Distance
5th
💎
💎
2nd
Tongue-twisters
1st
10th
2nd
2nd
3rd
2nd
2nd
2nd
3rd
2nd
2nd
2nd
3rd
💎
2nd
4th
💎
United States
2nd
3rd
💎
10th
1st
3rd
3rd
Vampire Numbers
10th
Van Eck Sequence
7th
17th
6th
5th
Zodiac Signs
💎
γ
💎
1st
16th
λ
6th
2nd
💎
2nd
💎
5th
2nd
💎
3rd
2nd
1st
π
1st
1st
1st
34th
6th
τ
1st
1st
9th
7th
φ
15th
1st
15th
1st
1st
2nd
1st
7th
1st
7th
√2
1st
1st
1st
1st
1st
1st
𝑒
21st
1st
1st
1st
2nd
1st
12th
1st