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hole will go live in approximately
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. Why not try and solve it ahead of time?
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ALGOL 68
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AWK
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brainfuck
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C#
C++
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Common Lisp
Crystal
D
Dart
Elixir
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Factor
Forth
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Go
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Groovy
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iogii
J
Janet
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jq
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PHP
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Python
R
Raku
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Ruby
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Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
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05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
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All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Nim
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Bytes
Time
Submitted
Diamonds
zzh1996
117
471ms
15 days ago
Diamonds
HumanoidCPU
1,131
439ms
17 days ago
Diamonds
KasperKivimaeki
💎
95
501ms
13 Aug 2026
Diamonds
scpchicken
693
157ms
10 Aug 2026
Diamonds
ovs-code
🥉
100
515ms
17 Jun 2026
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JayXon
🥈
98
500ms
16 Jun 2026
Diamonds
Shanethegamer
147
497ms
15 Jun 2026
Diamonds
dokutan
168
469ms
27 Dec 2025
Diamonds
sean-niemann
118
489ms
12 Aug 2025
Diamonds
kevinnaviapaiva
307
504ms
6 Mar 2025
Diamonds
CaedenHarper
1,135
493ms
24 Jan 2025
Diamonds
Mabeloid
1,141
140ms
17 Sep 2024
Diamonds
retrohun
1,144
156ms
27 Dec 2022
Diamonds
KatieLG-Transpiler
1,248
146ms
24 Jun 2022
Diamonds
janbehrens
145
494ms
24 Mar 2022
Diamonds
MeWhenI
157
459ms
5 Mar 2022
Diamonds
aposteriorist
136
481ms
4 Mar 2022
Diamonds
KatieLG
1,134
488ms
28 Feb 2022