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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    duckyluuk (he/him) 🇳🇱

    110,666
    112,073
    💎42
    🥇153
    🥈48
    🥉55

    🪨⭐

    126 / 126 Holes

    🔣

    43 / 64 Langs

    🏆

    74 / 109 Cheevos

    📅

    2 Holes Authored

    3 Referrals

    12 Days of Christmas
    956 956 977 853
    24 Game
    659 693 846
    99 Bottles of Beer
    948 926 733
    Abundant Numbers
    788 773 908
    Abundant Numbers (Long)
    914 903 907
    Arabic to Roman
    680 734 609 741 695
    Arithmetic Numbers
    912 911 861
    Arrows
    804 837 556
    Ascending Primes
    859 924 858
    ASCII Table
    659 876 885 922
    Billiards
    747 800
    brainfuck
    310 795 888 659
    Calendar
    959
    Card Number Validation
    799 948 876 780
    Catalan Numbers
    943 974 847
    Catalan’s Constant
    599 994 623
    Christmas Trees
    674 865 840 848 880
    Collatz
    885 907 828 896 820
    Continued Fractions
    946
    CSS Colors
    120 1,000 883 753
    Cubes
    691 703
    Day of Week
    919 949 1,000961 611
    DFA Simulator
    882 778 855 920 849
    Diamonds
    574 781 832 917
    Divisors
    946 827 922 984 804
    Emirp Numbers
    846 833 887 886
    Emirp Numbers (Long)
    736 760
    Emojify
    817 861 754
    Evil Numbers
    910 856 750 982 819 671
    Evil Numbers (Long)
    913 814 824 953 804
    Factorial Factorisation
    774 104 727 793 654
    Farey Sequence
    890 875 836 922 825
    Fibonacci
    894852892557946815896 853755797 584 953 72 948981 910961 801865748987 847883938 367191
    Fizz Buzz
    903 968 968992 858 985 994 824987
    Foo Fizz Buzz Bar
    958 890 986 818
    Forsyth–Edwards Notation
    787 703 860 816
    Fractions
    921 952 971 804991
    Game of Life
    795 328 817 735 841 783
    Gijswijt’s Sequence
    404 856 790 905 772
    Happy Numbers
    866 869 980 832
    Happy Numbers (Long)
    848 874 851
    Hexdump
    665 725 703
    Hilbert Curve
    445
    Intersection
    773 772 843
    Inventory Sequence
    840 898 884 873
    ISBN
    830 911 883 714
    Jacobi Symbol
    651 699
    Kaprekar Numbers
    348 535 401 857
    Kolakoski Constant
    761 661 731 496
    Kolakoski Sequence
    462 858 777 814 881 756
    Leap Years
    815 853 865 779
    Levenshtein Distance
    844 925
    Leyland Numbers
    913 960 588
    ln 2
    947 971 124
    Look and Say
    528 788 934 880804 819 878
    Lucky Numbers
    877 921 644
    Lucky Tickets
    881 934 955 737
    Mahjong
    487 503
    Mandelbrot
    894 911 900
    Maze
    728 750
    Medal Tally
    867 822 751 963 796
    Minesweeper
    862 852 869
    Morse Decoder
    858 886
    Morse Encoder
    821 856
    Multitap Input
    767 825 826 813
    Musical Chords
    513 545
    N Queens
    828 699 824 699
    Niven Numbers
    930 977 962 798
    Niven Numbers (Long)
    911 945 906 734
    Number Spiral
    794 838 644
    Odious Numbers
    911 854 769 980 784
    Odious Numbers (Long)
    913 829 876 974 771
    Ordinal Numbers
    842 897 890
    PalindromemordnilaP
    858 824 832 901 857
    Pangram Grep
    711 878 579497578 675 903508 911 834 531451
    Partition Numbers
    679 727 688 893
    Pascal’s Triangle
    787 819 671 908 732
    Pernicious Numbers
    940 978 811
    Pernicious Numbers (Long)
    929 974 836
    Poker
    861 879
    Polyominoes
    593 585 874
    Prime Numbers
    865 846 833 874 957 892
    Prime Numbers (Long)
    911 867 849 877 974 787
    Proximity Grid
    697 694 858
    QR Decoder
    646 660
    Quine
    1,000 968 864 788948 837 816947 977 861
    Recamán
    872 884 947 730
    Repeating Decimals
    515 537 755
    Reverse Polish Notation
    704 800 829 783
    Reversi
    796 805
    Rijndael S-box
    555 588 579
    Rock-paper-scissors-Spock-lizard
    758 785 899
    Roman to Arabic
    894 818 970 855
    ROT13
    505 835 958 727
    Rule 110
    602 628 840
    Scrambled Sort
    856 930 816
    Set
    809 910 698
    Seven Segment
    678 784 858
    SI Units
    650 606
    Sierpiński Triangle
    717 798 760 788 892
    Smith Numbers
    785 784 609
    Spelling Numbers
    489857 526 824
    Star Wars GPT
    832 878 798
    Star Wars Opening Crawl
    690 747
    Sudoku
    720 711
    Sudoku (Fill-in)
    643 672
    Ten-pin Bowling
    609 609
    Tic-tac-toe
    818 724 845 870
    Time Distance
    893 896 887
    Tongue-twisters
    864 882 955
    Topological Sort
    729 739 775
    Tower of Hanoi
    672 916 756
    Transpose Sentence
    514 867 841 901 756
    Trinomial Triangle
    884 835
    United States
    763 912 840 868
    Vampire Numbers
    865 887 886
    Van Eck Sequence
    876 837 967 749
    Zeckendorf Representation
    899 866 955 808
    Zodiac Signs
    829 889 830
    γ
    520 1,000402 525 492
    λ
    657 186 734 652 502 211
    π
    96 915 675910 986589 949 145
    τ
    927 677917 749588 943 144
    φ
    910 786 944 940 115
    √2
    955 694 758 982 123
    𝑒
    953 980715 97971 101