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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    dokutan (they/them)

    94,610
    98,643
    💎35
    🥇189
    🥈264
    🥉551

    123 / 123 Holes

    🔣

    62 / 62 Langs

    🏆

    88 / 98 Cheevos

    📅

    blaztoma solved Mahjong in Erlang
    blaztoma solved Arabic to Roman in Common Lisp
    blaztoma solved Roman to Arabic in Python
    blaztoma solved Pernicious Numbers in Erlang
    blaztoma solved Pernicious Numbers in Ruby
    blaztoma solved Pernicious Numbers in Perl
    blaztoma solved Pernicious Numbers in Python
    blaztoma solved Fractions in Python
    blaztoma solved Zeckendorf Representation in Python
    blaztoma solved Sierpiński Triangle in Ruby
    blaztoma solved Sierpiński Triangle in Python
    dokutan solved Arithmetic Numbers in VimL
    dokutan solved Arithmetic Numbers in Bash
    dokutan solved Quine in BQN
    dokutan solved Quine in Hare
    dokutan solved Abundant Numbers in Bash
    dokutan solved Abundant Numbers (Long) in Bash
    blaztoma solved Card Number Validation in Python
    blaztoma solved Billiards in Python
    blaztoma solved DFA Simulator in Python
    dokutan solved Pangram Grep in BASIC
    dokutan solved ROT13 in Assembly
    blaztoma solved Sudoku (Fill-in) in Swift
    blaztoma solved Sudoku (Fill-in) in Python
    dokutan solved Minesweeper in Tcl
    dokutan solved Minesweeper in Ruby
    dokutan solved Emojify in Python
    dokutan solved Emojify in Coconut
    dokutan solved Arrows in Groovy
    dokutan solved Minesweeper in Crystal
    blaztoma solved Sudoku (Fill-in) in Ruby
    blaztoma solved Repeating Decimals in Ruby
    blaztoma solved Repeating Decimals in Python
    blaztoma solved Repeating Decimals in Erlang
    blaztoma solved Repeating Decimals in Perl
    blaztoma solved Kaprekar Numbers in C
    blaztoma solved Kaprekar Numbers in Julia
    blaztoma solved Medal Tally in Python
    blaztoma solved Ten-pin Bowling in Swift
    blaztoma solved Ten-pin Bowling in Pascal
    blaztoma solved Ten-pin Bowling in Perl
    blaztoma solved Ten-pin Bowling in Erlang
    blaztoma solved Ten-pin Bowling in Python
    dokutan solved Christmas Trees in Kotlin
    blaztoma solved Ten-pin Bowling in Ruby
    blaztoma solved Star Wars GPT in Ruby
    dokutan solved Pernicious Numbers (Long) in Kotlin
    dokutan solved Evil Numbers (Long) in Kotlin
    dokutan solved Evil Numbers in Kotlin
    dokutan solved Odious Numbers in Kotlin
    dokutan solved Odious Numbers (Long) in Kotlin
    dokutan solved CSS Colors in Kotlin
    blaztoma solved Star Wars GPT in Python
    blaztoma solved SI Units in Python
    dokutan solved Odious Numbers in Luau
    dokutan solved Evil Numbers in Luau
    dokutan solved Emojify in Luau
    dokutan solved Emojify in Lua
    blaztoma solved Musical Chords in Pascal
    blaztoma solved QR Decoder in Perl
    blaztoma solved Musical Chords in PHP
    blaztoma solved Musical Chords in Erlang
    dokutan solved Emojify in Java
    dokutan solved Emojify in Groovy
    dokutan solved Emojify in ><>
    blaztoma solved Musical Chords in Python
    blaztoma solved QR Decoder in Python
    dokutan solved Emojify in V
    dokutan solved Emojify in Ruby
    dokutan solved Emojify in Crystal
    blaztoma solved Emojify in Python
    blaztoma solved Arrows in Python
    blaztoma solved Maze in Python
    blaztoma solved Maze in PHP
    dokutan solved Tower of Hanoi in ><>
    dokutan solved Tower of Hanoi in Bash
    dokutan solved Arrows in Dart
    dokutan solved Tower of Hanoi in brainfuck
    dokutan solved Tower of Hanoi in OCaml
    dokutan solved Arrows in V
    dokutan solved Arrows in COBOL
    dokutan solved CSS Colors in COBOL
    dokutan solved Foo Fizz Buzz Bar in Erlang
    dokutan solved Fizz Buzz in Erlang
    blaztoma solved Sudoku (Fill-in) in Perl
    blaztoma solved Sudoku (Fill-in) in Pascal
    blaztoma solved Sudoku (Fill-in) in PHP
    dokutan solved Van Eck Sequence in Go
    dokutan solved Vampire Numbers in Go
    dokutan solved Trinomial Triangle in Go
    dokutan solved Tower of Hanoi in Go
    dokutan solved Smith Numbers in Go
    dokutan solved Rijndael S-box in Go
    dokutan solved N Queens in Go
    dokutan solved Lucky Numbers in Go
    dokutan solved Look and Say in Go
    dokutan solved Leyland Numbers in Go
    dokutan solved Kaprekar Numbers in Go
    dokutan solved Inventory Sequence in Go
    dokutan solved Hilbert Curve in Go