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

    KasperKivimaeki (he/him) 🇫🇮

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    2600 lichess bullet - 2123 FIDE - TCC >> GCC

    123 / 123 Holes

    🔣

    24 / 62 Langs

    🏆

    62 / 99 Cheevos

    📅

    4 Referrals

    12 Days of Christmas
    857 743 886
    24 Game
    642 469
    99 Bottles of Beer
    948 973 818 616 952
    Abundant Numbers
    916 893 887 804825 773
    Abundant Numbers (Long)
    868 955 943 880897 865 917
    Arabic to Roman
    763
    Arithmetic Numbers
    931 947 935 891927830 889 806
    Arrows
    853
    Ascending Primes
    896 871 897 634
    ASCII Table
    969 953 912 792 834
    Billiards
    861 772 680 790
    brainfuck
    257957660930 866904894763 533 908 792
    Card Number Validation
    890 837 845 857
    Catalan Numbers
    743 533 876 931
    Catalan’s Constant
    924 241
    Christmas Trees
    295933 866 744
    Collatz
    839 898 912 927937 848 883
    CSS Colors
    738 779 109
    Cubes
    781 695
    Day of Week
    915 767 904 910 889961
    DFA Simulator
    910 899 808
    Diamonds
    788 695 731
    Divisors
    968 912 868907 759 984
    Emirp Numbers
    948 866 922 952
    Emirp Numbers (Long)
    886 871 658
    Emojify
    956
    Evil Numbers
    905 928 919928 982
    Evil Numbers (Long)
    931 934 904930 754 952
    Factorial Factorisation
    911 868 808
    Farey Sequence
    935 869 921
    Fibonacci
    659846 974946961 953964981 961822594987 852 635
    Fizz Buzz
    984854963 884978992 985 977
    Foo Fizz Buzz Bar
    952 937 769 987
    Forsyth–Edwards Notation
    922 856 902 805
    Fractions
    933 833 865 689 970 991
    Game of Life
    931 909 719
    Gijswijt’s Sequence
    794 699 702
    Happy Numbers
    952 738 885751 980
    Happy Numbers (Long)
    932 894 916896 823
    Hexdump
    853 901
    Hilbert Curve
    810 688 781 466
    Intersection
    782 780 828
    Inventory Sequence
    919 910 819843 828
    ISBN
    942 888 831719 849
    Jacobi Symbol
    830 821 924 735
    Kaprekar Numbers
    801 845 150
    Kolakoski Constant
    805
    Kolakoski Sequence
    857 818 701 837
    Leap Years
    935 936 896 980 902
    Levenshtein Distance
    787 962 925
    Leyland Numbers
    845 882 959
    ln 2
    914 833 971
    Look and Say
    706 591 551 706
    Lucky Numbers
    908 885 895 904
    Lucky Tickets
    738 778 917
    Mahjong
    906 877 788 551
    Mandelbrot
    903 824 803 776 793
    Maze
    789 727
    Medal Tally
    828 833
    Minesweeper
    832 859 757
    Morse Decoder
    815
    Morse Encoder
    903 850
    Musical Chords
    725
    N Queens
    775 728 690 677
    Niven Numbers
    808 965 945 932936977 959 962
    Niven Numbers (Long)
    918 863 875761 891 906
    Number Spiral
    860 693 701
    Odious Numbers
    937 935 927926897 980
    Odious Numbers (Long)
    927 929 913928 725 973
    Ordinal Numbers
    883 842 905 849
    PalindromemordnilaP
    856 860
    Pangram Grep
    875 803 831889849 911
    Partition Numbers
    827 788 853 509
    Pascal’s Triangle
    879 871 941
    Pernicious Numbers
    927 953 932 923934 948 978
    Pernicious Numbers (Long)
    804 823 955
    Poker
    852 776
    Polyominoes
    905 731 883 644
    Prime Numbers
    664 960915903339 890947 851 935
    Prime Numbers (Long)
    950 887 895933 854 952
    Proximity Grid
    861 876
    QR Decoder
    745
    Quine
    602 959669776 523 931 862 944
    Recamán
    950 922 819 890
    Repeating Decimals
    842
    Reverse Polish Notation
    857 788 885
    Reversi
    662
    Rijndael S-box
    765 812173
    Rock-paper-scissors-Spock-lizard
    866 847
    Roman to Arabic
    942 887 680 950
    ROT13
    913623872 906 958 669 773
    Rule 110
    919 798 585
    Scrambled Sort
    891 736 652 929
    Set
    863 833 828
    Seven Segment
    956 934 919
    SI Units
    730 710
    Sierpiński Triangle
    963918937 835892 961 932
    Smith Numbers
    913 899 920 899757919 921 754
    Spelling Numbers
    893 873 742
    Star Wars GPT
    666 97 812
    Star Wars Opening Crawl
    785
    Sudoku
    771
    Sudoku (Fill-in)
    824
    Ten-pin Bowling
    822 792 311
    Tic-tac-toe
    773 811 693
    Time Distance
    874
    Tongue-twisters
    777 881
    Topological Sort
    846 822 828 736
    Tower of Hanoi
    924925908 910896925884 881 817
    Transpose Sentence
    865 863
    Trinomial Triangle
    609 909
    United States
    837 806 921
    Vampire Numbers
    708 522
    Van Eck Sequence
    915 855 866900 933
    Zeckendorf Representation
    927 878 869
    Zodiac Signs
    767
    γ
    916 903
    λ
    488 647 639
    π
    947 919 896 963
    τ
    929 902 943
    φ
    923 779 808
    √2
    932 767 982
    𝑒
    941 915 701 647 979666