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    The Semiprime Numbers and Sphenic Numbers holes will go live in approximately . Why not try and solve them ahead of time?

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Semiprime Numbers LostSyntax21 79
    Kolakoski Sequence snoozingnewt 52
    Mahjong olleicua 258
    Chess Move Validation olleicua 109
    Vampire Numbers olleicua 970
    Tower of Hanoi olleicua 74
    Connect Four olleicua 172
    Sphenic Numbers olleicua 78
    Semiprime Numbers olleicua 74
    Sphenic Numbers madex 68
    Semiprime Numbers madex 64
    Sphenic Numbers aksyristos 71
    Semiprime Numbers aksyristos 67
    Triangular Numbers denkyuu1 19
    Yellowstone Permutation denkyuu1 83
    12 Days of Christmas scpchicken 433
    Rock-paper-scissors-Spock-lizard denkyuu1 191
    Chess Move Validation scpchicken 100
    ROT13 JOrE20 38
    Diamonds bpharaldsson 194
    ASCII Table denkyuu1 90
    Multitap Input bikini 68
    Topological Sort madex 68
    Collatz snoozingnewt 🥇 49
    Snake blaztoma 🥇 90
    Time Distance blaztoma 177
    Reversi bikini 92
    12 Days of Christmas bikini 🥈 394
    99 Bottles of Beer bikini 348
    Nim snoozingnewt 80
    QR Decoder bikini 115
    Factorial Factorisation bikini 73
    Set bikini 🥇 72
    Sierpiński Triangle bikini 56
    DFA Simulator bikini 112
    Ascending Primes GrayJoKing 80
    Leap Years snoozingnewt 36
    Factorial Factorisation snoozingnewt 🥇 72
    Emirp Numbers snoozingnewt 🥇 59
    Hexdump snoozingnewt 120
    Forsyth–Edwards Notation snoozingnewt 80
    Abundant Numbers (Long) snoozingnewt 47
    Abundant Numbers snoozingnewt 46
    Emirp Numbers (Long) blaztoma 71
    Forsyth–Edwards Notation denkyuu1 77
    ISBN denkyuu1 66
    Card Number Validation denkyuu1 66
    Polyominoes aksyristos 282
    Fizz Buzz 123mjb 79
    Divisors 123mjb 56
    QR Decoder madex 111
    Transpose Sentence snoozingnewt 56
    Farey Sequence snoozingnewt 46
    Prime Numbers 123mjb 61
    SI Units blaztoma 💎 307
    Tower of Hanoi snoozingnewt 50
    Ulam Sequence MeWhenI 66
    Scrambled Sort DialFrost 57
    Evil Numbers LostSyntax21 28
    Semiprime Numbers pardouin 51
    Sphenic Numbers pardouin 52
    Hilbert Curve madex 🥉 171
    Rectangle Fill denkyuu1 239
    Zeckendorf Representation denkyuu1 105
    Alphabetic Numbers denkyuu1 392
    Zodiac Signs denkyuu1 297
    Proximity Grid denkyuu1 149
    SI Units madex 🥈 318
    τ madex 44
    Musical Chords blaztoma 🥉 85
    Vampire Numbers denkyuu1 122
    Leyland Numbers denkyuu1 56
    Taxicab Numbers denkyuu1 76
    Sphenic Numbers denkyuu1 76
    Semiprime Numbers denkyuu1 63
    Niven Numbers denkyuu1 37
    Game of Life madex 102
    Musical Chords Natanaelel 122
    Pascal’s Triangle snoozingnewt 🥇 43
    United States blaztoma 🥉 80
    Trinomial Triangle snoozingnewt 49
    ISBN LostSyntax21 98
    Diamonds LostSyntax21 96
    Hilbert Curve LostSyntax21 185
    Cubes madex 167
    Partition Numbers snoozingnewt 56
    Catalan Numbers denkyuu1 49
    Pangram Grep snoozingnewt 41
    Significant Figures Natanaelel 40
    Repeating Decimals madex 70
    Alphabetic Numbers madex 149
    Significant Figures GolfingSuccess 50
    Number Spiral snoozingnewt 🥉 75
    Significant Figures MeWhenI 61
    Day of Week JOrE20 47
    Tic-tac-toe madex 🥇 52
    Factorial Factorisation madex 🥇 72
    Tower of Hanoi anter69 54
    Odious Numbers (Long) snoozingnewt 🥇 29
    Odious Numbers snoozingnewt 🥇 28