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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
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Hole
Golfer
Chars
Time
Submitted
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elgan65536
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2,973
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234
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4,739
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4,033
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237
3,857ms
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3,750
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3,016
4ms
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2,993
9ms
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934
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934
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670
33ms
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CSS Colors
retrohun
3,883
9ms
5 Jan 2026
CSS Colors
retrohun
4,598
9ms
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CSS Colors
retrohun
3,296
4ms
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CSS Colors
CaedenHarper
4,077
5ms
4 Jan 2026
CSS Colors
CaedenHarper
856
6ms
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CSS Colors
blaztoma
4,099
4ms
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CSS Colors
blaztoma
4,580
4ms
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CSS Colors
blaztoma
3,406
9ms
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CSS Colors
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3,457
4ms
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CSS Colors
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4,597
5ms
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CSS Colors
bitsandbeyond
3,685
4ms
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CSS Colors
bitsandbeyond
3,881
4ms
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CSS Colors
bitsandbeyond
3,615
10ms
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CSS Colors
CommandLeo
2,204
13ms
30 Dec 2025
CSS Colors
NoneTheFewer
2,989
256ms
27 Dec 2025
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TheZwierzLF
2,098
20ms
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2,065
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906
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3,306
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794
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5,169
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177
489ms
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prestosilver
🥇
59
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kellantech
1,593
13ms
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celiendonze
2,478
13ms
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1,283
13ms
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acotis
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487
256ms
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dokutan
2,601
2,551ms
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ravnskjaer
1,634
553ms
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3,917
13ms
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2,243
31ms
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🥇
59
60ms
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olavs69
3,147
10ms
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357
6ms
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343
5ms
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🥇
59
345ms
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3,929
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399
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59
318ms
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🥇
59
332ms
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emgordon154
🥈
813
402ms
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