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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
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Arrows
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Billiards
brainfuck
Card Number Validation
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Catalan’s Constant
Christmas Trees
Collatz
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Day of Week
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Diamonds
Divisors
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Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
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Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
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Kolakoski Sequence
Leap Years
Levenshtein Distance
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ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
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Odious Numbers (Long)
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PalindromemordnilaP
Pangram Grep
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Pernicious Numbers (Long)
Poker
Polyominoes
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Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
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Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Seven Segment
SI Units
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Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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Gray Code Encoder
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p-adic Expansion
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Submitted
Catalan Numbers
CaedenHarper
2,881
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28
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22
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🥇
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22
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22
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22
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3,435
27 Dec 2022
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22
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22
30 Nov 2022
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22
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22
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4,372
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22
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2,881
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🥇
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🥇
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23
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27
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🥇
21
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22
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🥇
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22
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🥇
21
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🥇
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🥇
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🥇
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🥇
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22
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