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

    lynn (she/her)

    119,277
    116,359
    💎56
    🥇542
    🥈154
    🥉196

    130 / 130 Holes

    🔣

    49 / 65 Langs

    🏆

    72 / 113 Cheevos

    📅

    1 Hole Authored

    9 Referrals

    12 Days of Christmas
    15th 9th 2nd 10th2nd 7th 6th 4th 4th 8th 3rd8th
    24 Game
    2nd 69th 3rd
    99 Bottles of Beer
    14th 1st 4th 5th 5th 3rd 13th 3rd165th 6th 9th 6th
    Abundant Numbers
    10th 6th 3rd1st 8th 5th 22nd 6th 21st 10th121st 35th8th 4th6th9th
    Abundant Numbers (Long)
    3rd1st 2nd 4th 78th 1st
    Alphabetic Numbers
    2nd
    Arabic to Roman
    1st 3rd 3rd 4th 3rd116th23rd 7th1st 9th7th
    Arithmetic Numbers
    2nd2nd 65th 8th
    Arrows
    7th 16th7th 💎 💎 3rd16th 4th 4th 💎46th 11th6th 2nd
    Ascending Primes
    2nd1st 21st 10th
    ASCII Table
    19th 💎 6th1st 7th 12th 3rd 6th56th 20th6th 10th 7th
    Billiards
    2nd 34th 2nd
    brainfuck
    12th 5th3rd 7th 💎 7th 80th 4th
    Calendar
    2nd
    Card Number Validation
    2nd 57th
    Catalan Numbers
    4th 1st 3rd1st 1st 11th 6th 1st 1st5th10th
    Catalan’s Constant
    4th 1st9th 4th 44th 12th
    Christmas Trees
    1st 4th1st 7th6th 2nd 11th 5th88th 27th5th 4th3rd
    Collatz
    7th4th 29th1st 3rd 110th 6th
    Continued Fractions
    1st
    CSS Colors
    4th 12th22nd12th 6th 2nd19th 4th💎 8th14th 6th47th3rd 6th5th20th7th87th 7th 4th7th
    Cubes
    2nd 6th3rd 3rd 8th 1st 2nd84th 6th 9th 2nd💎
    Day of Week
    27th 5th1st 1st 3rd 1st 81st 5th
    DFA Simulator
    6th3rd 47th
    Diamonds
    12th 💎 5th1st 9th 4th 4th 6th26th 4th 4th3rd
    Divisors
    97th 38th 10th1st 26th1st 1st 29th 3rd 7th 47th7th125th 47th5th1st10th 7th6th
    Emirp Numbers
    20th 10th 14th 7th 6th1st 1st 1st17th 20th14th 3rd 5th 2nd
    Emirp Numbers (Long)
    4th5th 1st 312th 10th
    Emojify
    3rd3rd 4th 41st 4th
    Evil Numbers
    28th 13th 8th 1st6th 1st 1st 6th 4th 1st1st 12th8th 1st 3rd9th5th
    Evil Numbers (Long)
    8th 1st1st 9th 1st1st
    Factorial Factorisation
    💎 9th
    Farey Sequence
    3rd2nd 4th
    Fibonacci
    54th1st 33rd 19th 12th 1st1st 7th 1st3rd1st16th 1st 1st 7th13th 1st1st 11th9th1st16th 7th1st20th
    Fizz Buzz
    47th74th95th32nd67th38th50th 1st11th20th 1st 48th71st60th5th1st38th 37th79th1st1st20th13th 12th17th1st63rd6th1st1st6th208th 44th4th1st12th 92nd100th4th6th17th20th
    Foo Fizz Buzz Bar
    💎 8th1st 67th 3rd 9th 27th6th21st 19th7th
    Forsyth–Edwards Notation
    5th1st 193rd 3rd
    Fractions
    9th 2nd 1st1st 14th 3rd 3rd149th 1st7th 5th
    Game of Life
    3rd 3rd 199th
    Gijswijt’s Sequence
    💎 4th1st 6th 💎 4th16th 18th6th 4th2nd
    Gray Code Decoder
    1st
    Gray Code Encoder
    7th
    Happy Numbers
    17th 28th19th 17th 5th 7th2nd 10th 6th 6th 22nd 18th1st58th 18th11th 16th 3rd7th6th
    Happy Numbers (Long)
    7th1st 5th 2nd 3rd 6th 14th11th
    Hexdump
    3rd 4th💎 6th 56th 9th
    Hilbert Curve
    💎
    Intersection
    20th 2nd 2nd1st 3rd 92nd 6th 6th 7th109th 4th 3rd
    Inventory Sequence
    13th 1st2nd 4th 26th 11th
    ISBN
    2nd 9th1st 3rd 11th 3rd 88th 7th
    Jacobi Symbol
    3rd 1st 5th 3rd 69th
    Kaprekar Numbers
    21st 3rd
    Kolakoski Constant
    4th 4th 5th 4th 4th 12th 7th6th9th4th
    Kolakoski Sequence
    1st 14th 1st 2nd 3rd66th 9th 4th
    Leap Years
    44th7th 15th 4th 10th1st 3rd 78th6th12th14th 4th 16th 1st8th18th 35th5th7th 5th3rd 3rd
    Levenshtein Distance
    1st 3rd 9th 7th 1st 5th 16th5th 13th4th
    Leyland Numbers
    12th 2nd 10th1st 3rd 8th 4th 3rd91st 4th 3rd3rd
    ln 2
    22nd 7th1st 3rd 1st 49th
    Look and Say
    8th 8th1st 9th 2nd7th8th 4th 4th 4th86th 8th 3rd4th
    Lucky Numbers
    15th 2nd 8th1st 2nd 39th 7th 2nd
    Lucky Tickets
    1st 7th1st 5th 14th 2nd47th 5th5th5th
    Mahjong
    3rd 42nd
    Mandelbrot
    2nd 9th
    Maze
    💎3rd
    Medal Tally
    9th💎 2nd 6th
    Minesweeper
    3rd
    Morse Decoder
    2nd 5th2nd 4th 4th2nd
    Morse Encoder
    2nd 3rd 3rd 11th 4th 5th 2nd
    Multitap Input
    3rd 2nd
    Musical Chords
    10th5th 13th 5th 6th 25th 4th
    N Queens
    💎 74th
    Niven Numbers
    29th9th 32nd21st 1st1st 4th1st 16th39th1st 6th 1st1st1st 16th 25th1st1st 26th14th1st 15th 6th3rd3rd6th
    Niven Numbers (Long)
    6th 2nd1st 1st 8th 1st 1st13th
    Number Spiral
    10th 10th 2nd 2nd 1st 💎 45th 7th 4th 2nd
    Odious Numbers
    10th9th 13th 8th 1st6th 1st 1st 6th 3rd 9th 1st1st 19th 1st 1st 4th10th5th
    Odious Numbers (Long)
    9th 1st1st 9th 1st1st
    Ordinal Numbers
    5th 9th 6th 21st 4th90th 10th 21st1st 6th6th
    PalindromemordnilaP
    1st 65th
    Pangram Grep
    36th 19th 2nd 3rd1st 15th 7th 3rd 16th 12th107th 9th 1st 6th
    Partition Numbers
    3rd 37th
    Pascal’s Triangle
    6th 20th 1st 1st1st 1st1st 1st 2nd89th 5th48th 43rd 1st 6th7th4th
    Pernicious Numbers
    28th1st 10th20th 1st1st 1st1st1st 1st39th1st 15th 1st1st 1st1st1st1st1st 20th23rd1st 4th 20th6th 7th
    Pernicious Numbers (Long)
    17th 13th3rd 1st 5th 31st 1st
    Poker
    21st 2nd 7th2nd 2nd 56th 7th
    Polyominoes
    💎
    Prime Numbers
    10th18th 13th 4th 4th1st 1st1st 1st 1st 3rd 1st1st 12th1st 1st 4th 5th
    Prime Numbers (Long)
    26th 1st 5th1st 1st 1st 2nd 6th64th 48th1st
    Proximity Grid
    2nd
    QR Decoder
    18th 4th3rd 49th 5th
    Quine
    1st1st 20th1st 22nd1st18th 1st1st 1st1st1st 48th1st 1st 1st 1st1st1st 1st1st 1st 5th 28th4th
    Recamán
    💎 8th1st 13th 1st 6th113th 22nd 5th5th
    Repeating Decimals
    2nd 53rd 14th
    Reverse Polish Notation
    2nd 1st1st 6th 5th 71st 8th
    Reversi
    3rd
    Rijndael S-box
    4th
    Rock-paper-scissors-Spock-lizard
    2nd 3rd 6th 2nd 6th 4th63rd 12th
    Roman to Arabic
    4th 3rd1st 12th 13th 5th 6th66th 5th 5th
    ROT13
    1st 1st 60th 1st 5th
    Rule 110
    23rd 13th 💎 1st 8th 18th 3rd 4th30th 3rd
    Scrambled Sort
    1st 43rd 3rd
    Set
    5th 45th
    Seven Segment
    2nd 1st 4th 8th 2nd 5th81st 8th
    SI Units
    3rd 2nd 94th
    Sierpiński Triangle
    19th 6th 2nd 1st 8th 7th 2nd 5th25th 9th 4th
    Smith Numbers
    4th 9th 7th 8th78th 11th
    Spelling Numbers
    1st 💎 2nd 4th 💎 73rd 4th 3rd5th
    Star Wars GPT
    2nd 34th 2nd
    Star Wars Opening Crawl
    6th 20th 💎 2nd 4th 5th 💎 6th 50th 7th
    Sudoku
    3rd 5th 3rd 4th 3rd
    Sudoku (Fill-in)
    10th 2nd 4th 54th
    Taxicab Numbers
    1st
    Ten-pin Bowling
    8th 8th 3rd 5th8th 5th 7th 62nd 10th 3rd
    Tic-tac-toe
    3rd 5th
    Time Distance
    3rd💎 💎
    Tongue-twisters
    22nd 6th25th 6th 3rd 6th 7th 7th 13th 7th55th 8th 9th 6th8th
    Topological Sort
    3rd
    Tower of Hanoi
    2nd
    Transpose Sentence
    24th 1st1st 1st 26th5th
    Trinomial Triangle
    1st1st 32nd
    United States
    2nd 4th 55th1st
    Vampire Numbers
    5th 8th1st 7th 3rd 5th69th 10th 4th
    Van Eck Sequence
    8th14th 3rd 1st1st 17th 2nd 1st36th 16th 5th
    Zeckendorf Representation
    💎 4th 52nd
    Zodiac Signs
    17th 6th3rd 42nd
    γ
    2nd 1st 5th 73rd
    λ
    2nd4th 10th26th 10th 7th 6th60th 15th 8th5th
    π
    38th 2nd 5th6th 3rd 52nd11th 3rd 4th 6th60th 20th 8th5th
    τ
    3rd 5th 3rd 11th 3rd 4th 7th67th 13th 8th5th
    φ
    18th 7th1st 6th 1st10th 3rd 1st 9th36th 14th 10th5th
    √2
    21st 1st 17th 50th9th 3rd 1st 10th1st 13th 12th5th
    𝑒
    23rd 20th 1st 5th 1st 1st15th 2nd 5th 9th1st 24th 10th6th