12 Days of Christmas
8th
π
π
π
π
π
π
π
π
π
π
2nd
π
π
π
2nd
π
π
π
99 Bottles of Beer
1st
π
3rd
5th
π
2nd
1st
2nd
1st
π
Abundant Numbers
1st
π
4th
1st
1st
4th
2nd
3rd
1st
3rd
1st
1st
1st
1st
1st
π
11th
1st
1st
1st
6th
2nd
3rd
1st
1st
1st
1st
1st
π
Abundant Numbers (Long)
1st
6th
2nd
5th
1st
1st
1st
2nd
1st
1st
2nd
1st
2nd
3rd
11th
1st
1st
3rd
2nd
3rd
1st
1st
1st
1st
π
Arabic to Roman
5th
1st
1st
3rd
3rd
π
3rd
π
4th
π
1st
2nd
3rd
3rd
5th
3rd
π
π
Arithmetic Numbers
1st
4th
1st
1st
1st
3rd
1st
1st
1st
1st
5th
2nd
1st
1st
2nd
2nd
π
1st
6th
π
2nd
π
2nd
π
Arrows
π
2nd
π
1st
2nd
π
2nd
π
π
1st
2nd
2nd
π
1st
1st
4th
2nd
π
π
π
π
π
Ascending Primes
1st
1st
π
π
π
π
π
π
π
1st
π
π
2nd
π
π
1st
2nd
π
π
π
π
ASCII Table
3rd
1st
π
1st
π
2nd
π
1st
1st
π
1st
π
π
1st
6th
π
π
π
π
π
brainfuck
π
π
π
π
π
7th
π
1st
1st
π
π
π
Catalan Numbers
1st
2nd
1st
1st
1st
1st
1st
1st
3rd
1st
1st
1st
1st
11th
1st
1st
π
π
1st
Catalanβs Constant
3rd
3rd
2nd
π
1st
6th
4th
π
Christmas Trees
2nd
2nd
1st
2nd
1st
π
1st
1st
9th
1st
2nd
6th
π
π
1st
1st
π
Collatz
1st
8th
1st
1st
6th
4th
1st
1st
1st
1st
5th
3rd
1st
1st
4th
1st
1st
1st
1st
π
2nd
1st
1st
π
CSS Colors
1st
3rd
1st
π
π
π
π
π
π
π
1st
1st
1st
2nd
π
π
π
Cubes
2nd
2nd
2nd
π
2nd
π
5th
3rd
π
Day of Week
1st
1st
1st
1st
4th
1st
1st
1st
1st
1st
1st
1st
π
1st
1st
1st
1st
1st
π
π
1st
π
DFA Simulator
2nd
3rd
2nd
π
Diamonds
π
π
π
1st
1st
π
π
π
π
7th
3rd
2nd
1st
3rd
π
π
2nd
π
Divisors
8th
1st
1st
1st
2nd
2nd
1st
1st
1st
1st
1st
1st
1st
18th
1st
1st
4th
1st
1st
11th
1st
4th
1st
π
1st
1st
1st
Emirp Numbers
π
4th
1st
2nd
1st
2nd
1st
1st
1st
1st
1st
3rd
1st
1st
3rd
3rd
3rd
3rd
1st
3rd
3rd
1st
3rd
1st
4th
2nd
2nd
1st
Emirp Numbers (Long)
π
1st
π
3rd
1st
2nd
π
π
π
π
3rd
π
2nd
3rd
π
1st
1st
π
π
π
π
π
π
Emojify
4th
π
3rd
1st
1st
π
1st
π
π
π
π
1st
1st
1st
1st
2nd
π
1st
4th
1st
2nd
π
π
π
Evil Numbers
6th
2nd
1st
2nd
1st
2nd
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
23rd
1st
1st
1st
1st
1st
1st
1st
1st
3rd
1st
2nd
1st
1st
1st
1st
1st
1st
5th
1st
4th
1st
1st
Evil Numbers (Long)
3rd
5th
1st
1st
1st
3rd
1st
1st
1st
1st
π
1st
1st
1st
17th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
4th
1st
π
1st
1st
1st
1st
Factorial Factorisation
π
1st
π
π
π
π
π
π
π
π
2nd
1st
π
π
π
π
Farey Sequence
1st
1st
1st
1st
1st
π
1st
1st
π
2nd
1st
2nd
1st
1st
1st
1st
π
1st
1st
1st
π
1st
π
1st
π
Fibonacci
3rd
1st
1st
1st
2nd
9th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
3rd
1st
22nd
1st
1st
6th
1st
1st
1st
1st
1st
Fizz Buzz
1st
18th
1st
1st
1st
1st
1st
1st
1st
1st
8th
1st
1st
3rd
1st
8th
1st
1st
1st
1st
3rd
1st
1st
π
1st
2nd
Foo Fizz Buzz Bar
π
1st
1st
3rd
1st
1st
1st
11th
2nd
3rd
1st
1st
1st
2nd
1st
2nd
π
1st
π
1st
π
ForsythβEdwards Notation
π
π
π
π
π
π
π
1st
3rd
π
π
π
π
π
Fractions
2nd
1st
π
1st
1st
1st
π
1st
1st
1st
4th
1st
2nd
5th
1st
1st
π
π
1st
1st
Game of Life
π
1st
π
π
π
π
π
π
π
π
π
π
π
π
1st
π
π
π
π
π
π
Gijswijtβs Sequence
π
1st
π
π
3rd
1st
π
π
π
Happy Numbers
1st
3rd
1st
1st
1st
1st
1st
1st
1st
1st
1st
2nd
1st
2nd
1st
3rd
1st
4th
2nd
1st
2nd
1st
1st
1st
1st
1st
1st
7th
1st
1st
1st
Happy Numbers (Long)
π
3rd
1st
π
2nd
1st
1st
1st
2nd
1st
1st
1st
1st
1st
1st
2nd
1st
2nd
2nd
1st
1st
π
1st
π
Hexdump
2nd
2nd
2nd
1st
5th
π
π
Intersection
π
1st
π
2nd
π
1st
π
5th
1st
π
1st
π
π
π
Inventory Sequence
π
2nd
2nd
1st
2nd
3rd
2nd
π
π
1st
2nd
3rd
1st
1st
2nd
3rd
4th
π
2nd
2nd
π
ISBN
π
3rd
1st
2nd
2nd
π
2nd
2nd
π
π
1st
1st
2nd
π
π
3rd
4th
π
π
π
π
2nd
Jacobi Symbol
π
1st
π
π
1st
2nd
3rd
2nd
2nd
π
π
π
Kolakoski Constant
1st
π
π
π
π
2nd
π
π
4th
π
2nd
π
π
Kolakoski Sequence
2nd
3rd
1st
1st
1st
1st
1st
3rd
1st
1st
1st
2nd
1st
4th
1st
1st
π
1st
1st
π
Leap Years
1st
1st
2nd
1st
1st
1st
1st
1st
1st
1st
1st
1st
2nd
1st
1st
1st
1st
1st
1st
2nd
4th
1st
1st
3rd
1st
1st
1st
2nd
1st
1st
Levenshtein Distance
2nd
1st
1st
1st
5th
1st
2nd
2nd
1st
1st
1st
π
1st
Leyland Numbers
1st
π
π
π
1st
4th
4th
2nd
1st
1st
5th
π
π
1st
ln 2
2nd
1st
1st
1st
π
1st
1st
1st
1st
1st
1st
1st
1st
11th
π
Look and Say
1st
1st
3rd
2nd
2nd
1st
5th
π
4th
1st
1st
1st
π
π
Lucky Numbers
1st
2nd
1st
1st
1st
1st
π
π
3rd
1st
1st
2nd
π
1st
1st
3rd
π
π
π
π
1st
Lucky Tickets
π
1st
3rd
π
π
π
1st
π
1st
π
1st
4th
π
π
π
π
Maze
3rd
3rd
π
2nd
1st
2nd
2nd
π
π
5th
π
Medal Tally
2nd
π
3rd
π
3rd
1st
π
π
π
π
Morse Decoder
π
π
π
1st
π
π
π
1st
π
1st
1st
1st
π
π
1st
2nd
π
π
π
Morse Encoder
π
π
π
π
π
π
π
π
π
π
π
π
π
π
π
π
2nd
π
π
2nd
π
1st
π
π
π
Musical Chords
π
π
π
π
π
π
π
π
2nd
π
1st
π
2nd
π
π
π
π
π
π
π
π
π
π
Niven Numbers
2nd
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
4th
1st
1st
1st
1st
1st
1st
2nd
9th
4th
1st
1st
1st
1st
1st
1st
1st
1st
Niven Numbers (Long)
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
2nd
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
Number Spiral
3rd
6th
π
1st
2nd
2nd
π
1st
π
π
4th
π
2nd
π
π
6th
3rd
π
π
π
π
Odious Numbers
7th
2nd
1st
6th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
6th
4th
3rd
7th
1st
1st
1st
1st
1st
1st
6th
1st
5th
1st
1st
Odious Numbers (Long)
2nd
5th
5th
1st
1st
3rd
1st
1st
1st
1st
π
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
4th
1st
π
1st
1st
1st
1st
Ordinal Numbers
π
π
π
π
π
7th
π
π
π
π
1st
1st
π
1st
1st
1st
π
π
π
13th
π
1st
π
π
π
π
Pangram Grep
π
10th
2nd
4th
1st
π
2nd
π
1st
2nd
1st
3rd
1st
1st
1st
3rd
1st
1st
1st
5th
1st
π
1st
2nd
Pascalβs Triangle
1st
2nd
1st
1st
1st
4th
π
1st
1st
2nd
7th
1st
1st
2nd
3rd
1st
1st
1st
3rd
1st
1st
1st
1st
1st
Pernicious Numbers
1st
6th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
3rd
1st
1st
5th
1st
1st
1st
Pernicious Numbers (Long)
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
4th
1st
1st
1st
1st
1st
π
π
1st
1st
4th
1st
1st
1st
2nd
π
Poker
π
π
π
2nd
π
π
π
π
π
π
2nd
π
π
π
Prime Numbers
2nd
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
3rd
1st
1st
1st
1st
7th
1st
1st
1st
1st
1st
7th
1st
1st
1st
1st
6th
1st
6th
1st
1st
1st
Prime Numbers (Long)
1st
5th
1st
1st
1st
2nd
5th
1st
1st
1st
1st
9th
1st
1st
1st
6th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
Proximity Grid
π
1st
4th
π
4th
π
π
π
QR Decoder
π
π
π
π
π
π
π
π
π
1st
π
π
π
π
π
π
π
π
π
π
π
Quine
1st
1st
23rd
14th
1st
6th
4th
1st
1st
1st
9th
1st
10th
1st
1st
1st
1st
1st
1st
1st
1st
1st
1st
RecamΓ‘n
2nd
3rd
1st
1st
1st
2nd
1st
π
π
π
1st
1st
7th
1st
1st
1st
9th
π
π
1st
1st
π
Repeating Decimals
1st
π
π
2nd
3rd
1st
3rd
π
Reverse Polish Notation
2nd
2nd
π
π
π
2nd
1st
2nd
1st
π
2nd
8th
π
π
Rijndael S-box
π
1st
π
2nd
π
π
π
π
π
2nd
2nd
2nd
π
2nd
Rock-paper-scissors-Spock-lizard
π
1st
π
π
π
π
4th
3rd
π
π
1st
2nd
π
π
π
π
Roman to Arabic
1st
4th
1st
2nd
1st
1st
π
1st
π
π
1st
1st
1st
3rd
2nd
π
2nd
1st
1st
1st
3rd
π
π
π
π
π
Rule 110
π
π
1st
1st
1st
π
1st
2nd
1st
2nd
π
π
π
Seven Segment
2nd
2nd
π
π
π
π
1st
2nd
6th
3rd
π
2nd
π
SierpiΕski Triangle
1st
1st
1st
1st
1st
1st
1st
1st
1st
π
π
2nd
1st
2nd
2nd
1st
1st
1st
2nd
π
π
π
1st
π
Smith Numbers
3rd
2nd
2nd
1st
π
π
π
π
π
2nd
1st
π
π
π
1st
2nd
2nd
π
π
π
Spelling Numbers
π
1st
π
π
1st
2nd
2nd
π
π
Star Wars Opening Crawl
2nd
π
5th
π
Sudoku
π
π
π
π
π
π
π
π
π
π
π
3rd
π
Sudoku v2
1st
π
π
π
1st
π
π
π
2nd
π
π
π
π
π
Ten-pin Bowling
π
1st
π
π
π
π
π
π
1st
π
π
2nd
π
π
Time Distance
3rd
π
π
π
π
π
π
π
π
π
2nd
π
π
Tongue-twisters
π
π
π
π
π
π
π
2nd
π
π
π
π
π
π
1st
π
π
3rd
2nd
π
π
π
π
π
π
United States
π
3rd
2nd
π
1st
π
2nd
π
3rd
1st
π
2nd
5th
3rd
π
1st
π
π
π
Vampire Numbers
2nd
π
π
π
π
2nd
π
π
π
π
π
π
π
3rd
5th
π
π
π
π
Van Eck Sequence
π
1st
1st
1st
1st
1st
2nd
1st
1st
1st
8th
3rd
1st
1st
1st
π
π
π
1st
π
Zodiac Signs
3rd
π
3rd
π
π
π
π
π
π
π
1st
π
π
π
2nd
π
π
π
π
Ξ³
1st
1st
1st
1st
π
π
π
π
1st
1st
1st
2nd
π
Ξ»
3rd
π
1st
3rd
π
π
π
π
2nd
1st
4th
2nd
1st
1st
3rd
7th
5th
π
π
1st
π
π
Ο
3rd
2nd
π
π
π
3rd
1st
3rd
4th
6th
1st
4th
7th
3rd
π
Ο
3rd
2nd
π
π
π
2nd
1st
3rd
4th
1st
1st
4th
5th
3rd
π
Ο
2nd
1st
1st
π
2nd
1st
3rd
1st
15th
1st
1st
1st
1st
1st
15th
π
β2
4th
1st
1st
π
2nd
1st
4th
1st
9th
13th
1st
1st
1st
1st
1st
1st
1st
π
2nd
1st
π
1st
1st
1st
1st
1st
1st
1st
1st
1st
4th
1st
8th
1st