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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)

    119,318
    116,371
    💎56
    🥇542
    🥈154
    🥉196

    130 / 130 Holes

    🔣

    49 / 65 Langs

    🏆

    72 / 113 Cheevos

    📅

    1 Hole Authored

    9 Referrals

    12 Days of Christmas
    15th 6th 2nd 9th3rd 7th 5th 4th 4th 5th 3rd8th
    24 Game
    2nd 55th 3rd
    99 Bottles of Beer
    12th 1st 4th 5th 3rd 3rd 10th 3rd71st 6th 9th 6th
    Abundant Numbers
    10th 1st1st 8th 5th 22nd 6th 21st 7th31st 35th6th 4th5th9th
    Abundant Numbers (Long)
    1st1st 2nd 4th 8th 1st
    Alphabetic Numbers
    2nd
    Arabic to Roman
    1st 3rd 3rd 4th 3rd66th23rd 7th1st 9th7th
    Arithmetic Numbers
    1st2nd 10th 8th
    Arrows
    6th 7th5th 💎 💎 2nd13th 3rd 4th 💎14th 5th6th 2nd
    Ascending Primes
    2nd1st 3rd 10th
    ASCII Table
    1st 💎 3rd1st 7th 10th 3rd 6th1st 11th6th 10th 7th
    Billiards
    2nd 11th 2nd
    brainfuck
    12th 3rd3rd 7th 💎 5th 21st 4th
    Calendar
    2nd
    Card Number Validation
    2nd 33rd
    Catalan Numbers
    1st 1st 1st1st 1st 10th 6th 1st 1st5th10th
    Catalan’s Constant
    4th 1st8th 3rd 20th 8th
    Christmas Trees
    1st 1st1st 7th6th 2nd 11th 5th16th 26th5th 4th3rd
    Collatz
    4th4th 29th1st 3rd 10th 6th
    Continued Fractions
    1st
    CSS Colors
    3rd4th 7th20th6th 4th 2nd19th 3rd2nd 6th7th 5th47th3rd 3rd5th20th7th30th 5th 3rd6th
    Cubes
    2nd 4th3rd 2nd 8th 1st 3rd36th 5th 9th 2nd💎
    Day of Week
    1st 4th1st 1st 3rd 1st 1st 5th
    DFA Simulator
    5th3rd 13th
    Diamonds
    5th 💎 4th1st 9th 4th 4th 6th8th 4th 4th3rd
    Divisors
    97th 35th 9th1st 25th1st 1st 29th 3rd 6th 47th7th1st 24th1st1st10th 7th6th
    Emirp Numbers
    1st 10th 9th 1st 5th2nd 1st 1st45th 1st4th 1st 5th 4th
    Emirp Numbers (Long)
    3rd5th 1st 311th 10th
    Emojify
    3rd3rd 4th 23rd 4th
    Evil Numbers
    28th 13th 8th 1st6th 1st 1st 6th 4th 1st1st 4th8th 1st 3rd9th5th
    Evil Numbers (Long)
    1st 1st1st 9th 1st1st
    Factorial Factorisation
    💎 9th
    Farey Sequence
    3rd2nd 4th
    Fibonacci
    14th1st 33rd 19th 12th 1st1st 7th 1st3rd1st16th 1st 1st 7th13th 1st1st 1st8th1st16th 7th1st20th
    Fizz Buzz
    47th59th74th95th31st67th38th49th 1st11th20th 1st 48th71st60th1st1st38th 37th79th1st1st9th13th 12th17th1st63rd6th1st1st6th1st 18th1st1st12th 92nd100th4th6th17th20th
    Foo Fizz Buzz Bar
    💎 4th1st 66th 3rd 7th 26th6th1st 3rd7th
    Forsyth–Edwards Notation
    4th1st 193rd 4th
    Fractions
    9th 2nd 1st1st 14th 3rd 3rd91st 1st7th 5th
    Game of Life
    3rd 3rd 198th
    Gijswijt’s Sequence
    💎 4th1st 6th 💎 4th1st 15th6th 4th2nd
    Gray Code Decoder
    1st
    Gray Code Encoder
    7th
    Happy Numbers
    12th 28th25th 14th 1st 6th1st 6th 1st 6th 22nd 16th1st1st 1st1st 16th 3rd6th6th
    Happy Numbers (Long)
    6th1st 5th 2nd 3rd 6th 13th11th
    Hexdump
    3rd 2nd💎 5th 25th 9th
    Hilbert Curve
    💎
    Intersection
    20th 2nd 1st1st 1st 89th 6th 6th 7th40th 4th 3rd
    Inventory Sequence
    3rd 1st2nd 4th 6th 11th
    ISBN
    2nd 9th1st 1st 11th 3rd 23rd 7th
    Jacobi Symbol
    3rd 1st 5th 3rd 23rd
    Kaprekar Numbers
    21st 3rd
    Kolakoski Constant
    4th 4th 4th 3rd 4th 8th 7th6th9th4th
    Kolakoski Sequence
    1st 14th 1st 2nd 3rd21st 9th 4th
    Leap Years
    42nd5th 15th 4th 10th1st 1st 77th6th15th14th 4th 16th 1st5th18th 24th4th7th 5th3rd 3rd
    Levenshtein Distance
    1st 3rd 9th 7th 1st 5th 1st5th 13th4th
    Leyland Numbers
    12th 2nd 9th1st 1st 8th 4th 3rd8th 4th 3rd3rd
    ln 2
    1st 7th1st 3rd 1st 1st
    Look and Say
    8th 7th1st 8th 2nd7th8th 4th 1st 4th22nd 8th 3rd4th
    Lucky Numbers
    7th 2nd 8th1st 2nd 14th 7th 2nd
    Lucky Tickets
    1st 7th1st 3rd 14th 2nd1st 5th4th5th
    Mahjong
    2nd 44th
    Mandelbrot
    2nd 9th
    Maze
    💎3rd
    Medal Tally
    9th💎 2nd 6th
    Minesweeper
    3rd
    Morse Decoder
    2nd 4th2nd 4th 4th2nd
    Morse Encoder
    2nd 3rd 3rd 11th 4th 5th 2nd
    Multitap Input
    3rd 2nd
    Musical Chords
    10th5th 6th 5th 5th 8th 4th
    N Queens
    💎 60th
    Niven Numbers
    24th1st 32nd1st 1st1st 1st1st 14th39th1st 1st 1st1st1st 16th 25th1st1st 15th7th1st 15th 1st3rd1st6th
    Niven Numbers (Long)
    1st 1st1st 1st 8th 1st 1st13th
    Number Spiral
    10th 10th 2nd 2nd 1st 💎 19th 7th 4th 2nd
    Odious Numbers
    10th4th 13th 8th 1st6th 1st 1st 6th 3rd 9th 1st1st 15th 1st 1st 4th10th5th
    Odious Numbers (Long)
    5th 1st1st 9th 1st1st
    Ordinal Numbers
    5th 8th 6th 21st 4th7th 10th 21st1st 6th6th
    PalindromemordnilaP
    1st 31st
    Pangram Grep
    36th 1st 2nd 1st1st 14th 7th 3rd 16th 12th30th 2nd 1st 6th
    Partition Numbers
    3rd 30th
    Pascal’s Triangle
    6th 11th 1st 1st1st 1st1st 1st 2nd88th 5th1st 29th 1st 6th7th4th
    Pernicious Numbers
    1st1st 10th1st 1st1st 1st1st1st 1st39th1st 15th 1st1st 1st1st1st1st1st 1st23rd1st 3rd 20th6th 7th
    Pernicious Numbers (Long)
    13th 13th3rd 1st 5th 1st 1st
    Poker
    12th 2nd 7th2nd 2nd 28th 7th
    Polyominoes
    💎
    Prime Numbers
    10th1st 13th 1st 4th1st 1st1st 1st 1st 3rd 1st1st 1st1st 1st 4th 5th
    Prime Numbers (Long)
    22nd 1st 4th1st 1st 1st 2nd 1st64th 48th1st
    Proximity Grid
    2nd
    QR Decoder
    8th 3rd2nd 17th 5th
    Quine
    1st 1st 20th1st 2nd1st18th 1st1st 1st1st1st 48th1st 1st 1st 1st1st1st 1st1st 1st 5th 28th4th
    Recamán
    💎 7th1st 12th 1st 6th63rd 22nd 5th5th
    Repeating Decimals
    2nd 34th 13th
    Reverse Polish Notation
    2nd 1st1st 6th 5th 26th 7th
    Reversi
    3rd
    Rijndael S-box
    10th 4th
    Rock-paper-scissors-Spock-lizard
    💎 2nd 6th 2nd 5th 4th35th 10th
    Roman to Arabic
    4th 2nd1st 11th 13th 5th 6th35th 5th 5th
    ROT13
    1st 1st 1st 1st 5th
    Rule 110
    23rd 7th 💎 1st 7th 18th 3rd 3rd12th 3rd
    Scrambled Sort
    1st 11th 3rd
    Set
    5th 13th
    Seven Segment
    14th 2nd 1st 6th 8th 2nd 5th32nd 7th
    SI Units
    3rd 2nd 94th
    Sierpiński Triangle
    19th 6th 2nd 1st 8th 7th 2nd 5th14th 9th 4th
    Smith Numbers
    4th 9th 7th 8th42nd 11th
    Spelling Numbers
    1st 💎 2nd 4th 💎 33rd 4th 3rd5th
    Star Wars GPT
    2nd 1st 2nd
    Star Wars Opening Crawl
    6th 6th 💎 2nd 4th 5th 💎 4th 9th 7th
    Sudoku
    3rd 5th 3rd 4th 3rd
    Sudoku (Fill-in)
    9th 2nd 3rd 33rd
    Taxicab Numbers
    1st
    Ten-pin Bowling
    8th 8th 3rd 3rd8th 5th 6th 38th 10th 3rd
    Tic-tac-toe
    3rd 5th
    Time Distance
    2nd💎 💎
    Tongue-twisters
    15th 6th15th 5th 5th 5th 6th 7th 10th 7th29th 6th 8th 4th8th
    Topological Sort
    3rd
    Tower of Hanoi
    2nd
    Transpose Sentence
    19th 1st1st 1st 25th5th
    Trinomial Triangle
    1st1st 1st
    United States
    2nd 4th 17th1st
    Vampire Numbers
    4th 8th1st 7th 3rd 5th25th 8th 4th
    Van Eck Sequence
    7th2nd 3rd 1st1st 17th 2nd 1st1st 16th 5th
    Zeckendorf Representation
    💎 4th 23rd
    Zodiac Signs
    11th 5th3rd 14th
    γ
    2nd 1st 4th 69th
    λ
    9th3rd 7th25th 9th 6th 4th33rd 6th 4th4th
    π
    38th 2nd 4th6th 1st 1st10th 3rd 4th 6th19th 16th 5th4th
    τ
    3rd 5th 1st 10th 3rd 4th 7th48th 9th 6th4th
    φ
    1st 6th1st 6th 1st9th 3rd 1st 9th1st 10th 7th4th
    √2
    1st 1st 17th 50th8th 3rd 1st 10th1st 9th 9th4th
    𝑒
    23rd 1st 1st 5th 1st 1st14th 2nd 5th 9th1st 21st 7th5th