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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
    Emirp Numbers snoozingnewt 91
    Kolakoski Sequence snoozingnewt 64
    γ jared-hughes 💎 251
    Semiprime Numbers madex 75
    Sphenic Numbers madex 78
    Sphenic Numbers rucin93 75
    GPS Satellite Identification madex 316
    Foo Fizz Buzz Bar MostParsingVex 113
    Niven Numbers (Long) MostParsingVex 76
    Chess Move Validation scpchicken 136
    Kolakoski Sequence madex 70
    γ KasperKivimaeki 🥈 269
    Rijndael S-box bpharaldsson 834
    24 Game madex 288
    Topological Sort madex 💎 140
    Reverse Polish Notation madex 🥉 138
    λ ovs-code 💎 282
    Jacobi Symbol madex 132
    Kaprekar Numbers madex 81
    Fizz Buzz spectral54 75
    Morse Encoder JayXon 💎 126
    Scrambled Sort HumanoidCPU 446
    Game of Life madex 123
    Taxicab Numbers DialFrost 85
    PalindromemordnilaP madex 🥈 105
    Nim snoozingnewt 120
    Leap Years snoozingnewt 55
    Morse Encoder spectral54 🥈 131
    Recamán bikini 75
    Tower of Hanoi DialFrost 🥇 65
    Kaprekar Numbers bikini 106
    Maze bikini 201
    Abundant Numbers blaztoma 74
    Abundant Numbers snoozingnewt 73
    Abundant Numbers (Long) snoozingnewt 71
    Quine mathb0y512 444
    Niven Numbers (Long) Herbert00709 64
    DFA Simulator MostParsingVex 181
    Fizz Buzz cnierm 75
    Tutorial cnierm 76
    United States madex 131
    Sierpiński Triangle MostParsingVex 78
    Farey Sequence prestosilver 160
    Repeating Decimals MostParsingVex 267
    Leap Years TeodorDyakov 60
    Time Distance madex 261
    π madex 120
    Farey Sequence madex 72
    Sudoku madex 🥉 342
    Catalan’s Constant madex 143
    Transpose Sentence snoozingnewt 119
    Odious Numbers (Long) jacksonvil-s 2,085
    Tutorial jacksonvil-s 166
    Arabic to Roman cnierm 235
    Sudoku MostParsingVex 449
    99 Bottles of Beer cnierm 323
    Mandelbrot madex 125
    Farey Sequence snoozingnewt 🥉 69
    Sierpiński Triangle madex 🥇 60
    Polyominoes madex 🥇 152
    Arrows madex 100
    99 Bottles of Beer xyangst 317
    QR Decoder madex 151
    Sphenic Numbers pardouin 78
    Tower of Hanoi snoozingnewt 🥇 65
    12 Days of Christmas cnierm 530
    Morse Encoder cnierm 439
    Multitap Input madex 104
    Card Number Validation madex 87
    Smith Numbers madex 🥉 102
    Hilbert Curve madex 192
    ASCII Table cnierm 165
    τ madex 124
    SI Units madex 💎 405
    Abundant Numbers (Long) Europe2048 73
    Vampire Numbers JOrE20 156
    12 Days of Christmas helloperson-test-acc 💎 28
    12 Days of Christmas zzh1996 🥈 142
    Leap Years denkyuu1 64
    Niven Numbers denkyuu1 55
    λ madex 🥈 284
    Morse Encoder madex 156
    Tutorial Splinter1984 88
    Emirp Numbers JOrE20 187
    Emirp Numbers RealAMC 152
    Trinomial Triangle snoozingnewt 104
    Pascal’s Triangle snoozingnewt 72
    Transpose Sentence madex 120
    Reversi madex 172
    Cubes madex 249
    Significant Figures lyphyser 414
    Partition Numbers snoozingnewt 78
    Fibonacci Europe2048 47
    Pangram Grep snoozingnewt 77
    Diamonds MostParsingVex 97
    Rule 110 madex 97
    Repeating Decimals madex 198
    brainfuck madex 🥉 124
    Leyland Numbers madex 137
    Number Spiral snoozingnewt 107