12 Days of Christmas
12th
15th
197th
19th
99 Bottles of Beer
1st
4th
2nd
6th
5th
💎
6th
1st
16th
💎
5th
Abundant Numbers
3rd
21st
14th
1st
3rd
2nd
14th
11th
1st
11th
1st
3rd
2nd
Abundant Numbers (Long)
9th
1st
1st
3rd
5th
49th
1st
11th
3rd
Arabic to Roman
1st
2nd
1st
2nd
💎
3rd
14th
3rd
4th
Arithmetic Numbers
8th
14th
13th
1st
40th
2nd
Arrows
6th
Ascending Primes
2nd
23rd
5th
19th
ASCII Table
4th
4th
3rd
3rd
💎
4th
1st
8th
brainfuck
2nd
2nd
2nd
2nd
10th
Catalan Numbers
1st
6th
9th
16th
1st
1st
1st
2nd
2nd
1st
1st
1st
Catalan’s Constant
1st
4th
35th
Christmas Trees
3rd
8th
8th
6th
3rd
Collatz
6th
9th
1st
3rd
4th
10th
70th
7th
4th
CSS Colors
5th
7th
3rd
💎
2nd
22nd
54th
2nd
Cubes
💎
Day of Week
1st
4th
💎
1st
13th
6th
5th
1st
1st
1st
6th
1st
1st
1st
DFA Simulator
💎
Diamonds
5th
3rd
8th
16th
Divisors
3rd
9th
2nd
1st
1st
1st
1st
3rd
1st
2nd
1st
1st
13th
2nd
7th
8th
1st
Emirp Numbers
4th
3rd
5th
13th
9th
15th
10th
5th
3rd
3rd
9th
6th
7th
14th
3rd
2nd
2nd
Emirp Numbers (Long)
3rd
3rd
3rd
💎
9th
Emojify
3rd
23rd
3rd
6th
1st
Evil Numbers
5th
5th
30th
25th
12th
14th
1st
3rd
1st
1st
20th
1st
7th
3rd
7th
1st
1st
3rd
5th
1st
4th
3rd
14th
1st
2nd
4th
1st
3rd
1st
2nd
8th
2nd
2nd
7th
1st
Evil Numbers (Long)
14th
5th
1st
1st
1st
5th
1st
1st
5th
6th
1st
1st
2nd
Factorial Factorisation
2nd
5th
Farey Sequence
💎
18th
10th
6th
12th
💎
4th
💎
1st
5th
Fibonacci
1st
💎
1st
3rd
9th
1st
1st
2nd
4th
1st
1st
1st
9th
1st
1st
1st
1st
1st
1st
1st
7th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
9th
1st
6th
4th
1st
3rd
1st
1st
5th
3rd
Fizz Buzz
6th
1st
1st
1st
2nd
19th
16th
1st
22nd
4th
7th
4th
1st
1st
11th
9th
1st
6th
2nd
1st
1st
1st
1st
1st
3rd
2nd
1st
6th
1st
Foo Fizz Buzz Bar
1st
4th
2nd
13th
4th
3rd
10th
7th
1st
💎
1st
2nd
1st
1st
5th
15th
5th
Forsyth–Edwards Notation
1st
4th
5th
3rd
5th
Fractions
3rd
8th
1st
1st
6th
7th
2nd
1st
1st
2nd
4th
1st
4th
Game of Life
6th
3rd
3rd
1st
💎
5th
Gijswijt’s Sequence
3rd
4th
Happy Numbers
9th
1st
6th
14th
1st
16th
7th
12th
14th
1st
4th
6th
4th
12th
14th
6th
13th
2nd
1st
3rd
2nd
4th
3rd
3rd
Happy Numbers (Long)
7th
1st
7th
9th
1st
8th
💎
1st
14th
1st
9th
2nd
6th
Hexdump
13th
💎
2nd
3rd
💎
33rd
9th
Intersection
11th
65th
3rd
5th
Inventory Sequence
5th
9th
6th
3rd
1st
35th
💎
10th
ISBN
3rd
💎
1st
3rd
1st
Jacobi Symbol
1st
12th
Kolakoski Constant
3rd
12th
Kolakoski Sequence
12th
1st
8th
17th
1st
1st
2nd
37th
7th
6th
4th
5th
Leap Years
5th
10th
1st
8th
47th
14th
2nd
13th
1st
17th
20th
40th
1st
6th
15th
Levenshtein Distance
7th
1st
11th
1st
6th
4th
1st
1st
3rd
💎
12th
1st
Leyland Numbers
15th
4th
61st
14th
ln 2
1st
1st
1st
Look and Say
1st
5th
1st
16th
9th
1st
3rd
62nd
12th
4th
Lucky Numbers
1st
5th
💎
2nd
26th
1st
3rd
Lucky Tickets
8th
5th
36th
11th
Maze
💎
2nd
38th
1st
1st
Medal Tally
2nd
9th
Morse Decoder
5th
💎
4th
Morse Encoder
8th
Niven Numbers
1st
5th
1st
8th
1st
17th
1st
1st
1st
1st
1st
1st
1st
1st
5th
1st
1st
1st
1st
1st
1st
26th
3rd
16th
1st
1st
7th
2nd
6th
1st
2nd
3rd
1st
Niven Numbers (Long)
1st
3rd
4th
5th
3rd
4th
1st
3rd
12th
2nd
3rd
12th
1st
3rd
3rd
1st
1st
1st
1st
11th
1st
4th
7th
3rd
1st
3rd
Number Spiral
5th
3rd
4th
4th
2nd
8th
22nd
2nd
2nd
💎
4th
Odious Numbers
5th
5th
12th
22nd
16th
5th
1st
4th
1st
6th
17th
1st
7th
35th
7th
1st
1st
3rd
5th
6th
3rd
3rd
14th
14th
1st
2nd
4th
1st
1st
1st
1st
8th
3rd
10th
1st
Odious Numbers (Long)
4th
23rd
5th
1st
1st
1st
4th
1st
1st
3rd
3rd
1st
2nd
1st
2nd
Ordinal Numbers
6th
3rd
16th
1st
6th
1st
1st
4th
💎
64th
3rd
1st
2nd
1st
1st
Pangram Grep
2nd
3rd
19th
1st
3rd
💎
77th
2nd
3rd
1st
1st
2nd
3rd
Pascal’s Triangle
8th
16th
4th
1st
11th
12th
4th
1st
56th
1st
9th
2nd
Pernicious Numbers
1st
4th
1st
1st
1st
1st
15th
1st
1st
1st
1st
14th
1st
1st
10th
1st
1st
1st
11th
1st
1st
14th
1st
1st
1st
1st
3rd
1st
3rd
1st
3rd
1st
12th
1st
2nd
1st
1st
Pernicious Numbers (Long)
💎
9th
9th
12th
9th
4th
3rd
28th
4th
Poker
2nd
Prime Numbers
5th
7th
1st
6th
12th
16th
12th
6th
3rd
1st
4th
1st
1st
1st
7th
1st
1st
7th
1st
2nd
1st
7th
1st
1st
1st
1st
1st
1st
3rd
3rd
4th
1st
Prime Numbers (Long)
4th
1st
4th
9th
2nd
1st
5th
1st
1st
10th
1st
1st
1st
1st
1st
1st
1st
1st
Proximity Grid
3rd
1st
4th
💎
15th
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
11th
5th
3rd
1st
💎
2nd
Repeating Decimals
5th
1st
2nd
1st
1st
5th
Reverse Polish Notation
💎
1st
1st
2nd
1st
2nd
2nd
Rijndael S-box
9th
5th
2nd
Roman to Arabic
16th
6th
1st
3rd
2nd
1st
2nd
1st
5th
💎
4th
Rule 110
4th
2nd
3rd
22nd
2nd
3rd
Seven Segment
4th
SI Units
2nd
4th
Sierpiński Triangle
10th
10th
2nd
7th
28th
10th
3rd
Spelling Numbers
1st
💎
13th
Sudoku
7th
Sudoku v2
3rd
4th
2nd
💎
4th
Time Distance
10th
💎
💎
8th
Tongue-twisters
💎
10th
5th
3rd
10th
3rd
2nd
3rd
29th
4th
4th
6th
42nd
4th
12th
2nd
💎
United States
2nd
5th
💎
17th
1st
9th
3rd
Vampire Numbers
15th
Van Eck Sequence
7th
18th
6th
5th
Zodiac Signs
2nd
γ
8th
1st
18th
λ
💎
7th
2nd
💎
💎
1st
3rd
2nd
26th
2nd
1st
π
1st
1st
💎
44th
6th
τ
1st
1st
9th
7th
φ
15th
12th
15th
1st
1st
2nd
1st
7th
1st
7th
√2
8th
1st
1st
1st
1st
1st
𝑒
21st
7th
1st
1st
2nd
1st
12th
1st