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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
    975 920 995 802
    24 Game
    781 801 846
    99 Bottles of Beer
    894 922 697
    Abundant Numbers
    777 831 898
    Abundant Numbers (Long)
    877 925 897
    Arabic to Roman
    751 696 608 820 676
    Arithmetic Numbers
    914 947 861
    Arrows
    807 881 741
    Ascending Primes
    781 816 858
    ASCII Table
    650 831 891 892
    Billiards
    846 876
    brainfuck
    308 854 902 650
    Calendar
    734
    Card Number Validation
    846 948 898 780
    Catalan Numbers
    899 974 847
    Catalan’s Constant
    695 972 724
    Christmas Trees
    671 823 837 871 870
    Collatz
    817 904 822 916 812
    Continued Fractions
    659
    CSS Colors
    123 1,000 842 753
    Cubes
    808 769
    Day of Week
    910 949 1,000964 611
    DFA Simulator
    925 668 845 946 837
    Diamonds
    571 801 845 901
    Divisors
    872 827 922 985 804
    Emirp Numbers
    821 569 886 782
    Emirp Numbers (Long)
    788 828
    Emojify
    823 896 686
    Evil Numbers
    818 856 750 982 819 671
    Evil Numbers (Long)
    847 814 824 953 804
    Factorial Factorisation
    813 104 725 847 651
    Farey Sequence
    890 875 836 934 825
    Fibonacci
    894852892557946791845 853755797 584 941 61 948981 910961 801865748987 879883938 367191
    Fizz Buzz
    901 926 965989 850 979 974 811886
    Foo Fizz Buzz Bar
    927 884 971 801
    Forsyth–Edwards Notation
    823 676 886 798
    Fractions
    909 952 972 804991
    Game of Life
    826 246 788 724 867 791
    Gijswijt’s Sequence
    404 839 764 873 772
    Happy Numbers
    764 716 842 721
    Happy Numbers (Long)
    862 913 847
    Hexdump
    709 792 685
    Hilbert Curve
    596
    Intersection
    784 740 872
    Inventory Sequence
    852 898 897 873
    ISBN
    821 906 920 705
    Jacobi Symbol
    723 786
    Kaprekar Numbers
    306 535 347 868
    Kolakoski Constant
    813 654 808 196
    Kolakoski Sequence
    462 889 777 814 913 756
    Leap Years
    757 852 865 776
    Levenshtein Distance
    893 946
    Leyland Numbers
    929 975 587
    ln 2
    930 972 124
    Look and Say
    528 783 934 880804 826 878
    Lucky Numbers
    893 937 644
    Lucky Tickets
    888 912 933 735
    Mahjong
    559 690
    Mandelbrot
    691 922 894
    Maze
    772 829
    Medal Tally
    904 751 754 966 784
    Minesweeper
    622 882 848
    Morse Decoder
    882 908
    Morse Encoder
    864 897
    Multitap Input
    579 802 869 802
    Musical Chords
    639 668
    N Queens
    836 653 873 694
    Niven Numbers
    900 973 960 789
    Niven Numbers (Long)
    887 942 938 727
    Number Spiral
    853 886 644
    Odious Numbers
    842 854 769 980 784
    Odious Numbers (Long)
    868 829 876 974 771
    Ordinal Numbers
    827 919 876
    PalindromemordnilaP
    909 824 832 919 857
    Pangram Grep
    708 818 577473576 674 901505 929 829 530450
    Partition Numbers
    735 727 769 893
    Pascal’s Triangle
    829 819 671 904 732
    Pernicious Numbers
    892 978 811
    Pernicious Numbers (Long)
    894 974 836
    Poker
    893 917
    Polyominoes
    723 709 874
    Prime Numbers
    799 846 833 750 957 892
    Prime Numbers (Long)
    890 867 849 877 974 787
    Proximity Grid
    787 798 839
    QR Decoder
    735 773
    Quine
    1,000 968 864 760948 837 816947 977 861
    Recamán
    898 882 944 726
    Repeating Decimals
    589 652 754
    Reverse Polish Notation
    754 800 854 783
    Reversi
    867 855
    Rijndael S-box
    632 678 582
    Rock-paper-scissors-Spock-lizard
    830 859 861
    Roman to Arabic
    874 813 972 841
    ROT13
    505 768 960 727
    Rule 110
    687 715 837
    Scrambled Sort
    776 943 816
    Set
    625 924 698
    Seven Segment
    788 832 840
    SI Units
    577 534
    Sierpiński Triangle
    715 800 752 868 890
    Smith Numbers
    783 821 609
    Spelling Numbers
    629857 656 824
    Star Wars GPT
    639 634 798
    Star Wars Opening Crawl
    676 848
    Sudoku
    636 672
    Sudoku (Fill-in)
    765 795
    Ten-pin Bowling
    656 731
    Tic-tac-toe
    655 717 890 855
    Time Distance
    793 921 837
    Tongue-twisters
    819 837 909
    Topological Sort
    583 739 600
    Tower of Hanoi
    672 899 756
    Transpose Sentence
    514 839 841 929 756
    Trinomial Triangle
    877 835
    United States
    806 836 881 855
    Vampire Numbers
    922 916 878
    Van Eck Sequence
    909 837 967 749
    Zeckendorf Representation
    926 866 963 808
    Zodiac Signs
    816 886 814
    γ
    632 1,000401 644 198
    λ
    751 165 707 763 202 161
    π
    96 916 664910 988589 964 145
    τ
    913 666916 744587 958 144
    φ
    869 773 936 954 115
    √2
    926 680 748 978 123
    𝑒
    928 976711 97666 101