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

    Recent Solutions

    Hole Golfer Chars Time Submitted
    Billiards 2bular 39
    Hexdump 2bular 57
    Lucky Tickets 2bular 15
    Calendar 2bular 84
    Day of Week 2bular 83
    12 Days of Christmas 2bular 356
    12 Days of Christmas darrenks 408
    Pangram Grep shadowninja55 9
    Niven Numbers (Long) shadowninja55 10
    Niven Numbers shadowninja55 10
    Pernicious Numbers shadowninja55 12
    Evil Numbers (Long) shadowninja55 10
    Evil Numbers shadowninja55 9
    Fibonacci shadowninja55 9
    Tongue-twisters kurkale6ka 523
    Highly Composite Numbers kurkale6ka 392
    Sphenic Numbers kurkale6ka 8,860
    γ kurkale6ka 1,003
    Catalan’s Constant kurkale6ka 1,003
    24 Game kurkale6ka 12,432
    𝑒 kurkale6ka 1,003
    λ kurkale6ka 1,003
    Hexagonal Spiral kurkale6ka 1,135
    Cubes kurkale6ka 2,827
    Tutorial kurkale6ka 20
    24 Game JOrE20 12,432
    Tongue-twisters prestosilver 524
    Taxicab Numbers 2bular 21
    Taxicab Numbers darrenks 20
    Factorial Factorisation 2bular 29
    Tower of Hanoi KatieLG 4,088
    Fibonacci Yewzir 9
    Taxicab Numbers ovs-code 24
    𝑒 BREMAUCY 1,003
    Taxicab Numbers HumanoidCPU 4,160
    Taxicab Numbers Shanethegamer 4,160
    Trinomial Triangle Natanaelel 13
    Minesweeper Natanaelel 26
    Kolakoski Sequence HumanoidCPU 2,000
    Tower of Hanoi Natanaelel 35
    Leap Years 2bular 18
    Tower of Hanoi HumanoidCPU 3,577
    Fibonacci CatsAreFluffy 9
    Tower of Hanoi 2bular 29
    Prime Numbers CatsAreFluffy 12
    Prime Numbers (Long) CatsAreFluffy 14
    Seven Segment 2bular 25
    𝑒 CatsAreFluffy 26
    Tower of Hanoi Shanethegamer 3,577
    Minesweeper 2bular 22
    Ellipse Perimeters saito-ta 19
    Happy Numbers (Long) snoozingnewt 15
    Tutorial Babafaba 20
    Gray Code Encoder ovs-code 8
    Van Eck Sequence plcc0 14
    Emojify plcc0 67
    Trinomial Triangle plcc0 14
    Niven Numbers (Long) plcc0 9
    Tutorial retrohun 68
    Tutorial snoozingnewt 20
    Fizz Buzz snoozingnewt 26
    Tutorial Vexxter9 68
    Highly Composite Numbers HumanoidCPU 392
    Hexagonal Spiral HumanoidCPU 1,135
    Hilbert Curve HumanoidCPU 2,048
    Abundant Numbers (Long) HumanoidCPU 964
    Polyominoes HumanoidCPU 3,564
    Recamán HumanoidCPU 897
    Kaprekar Numbers HumanoidCPU 440
    Happy Numbers HumanoidCPU 107
    Happy Numbers (Long) HumanoidCPU 552
    Emirp Numbers (Long) HumanoidCPU 1,156
    Catalan Numbers HumanoidCPU 2,872
    Tongue-twisters HumanoidCPU 523
    Van Eck Sequence HumanoidCPU 2,555
    Abundant Numbers HumanoidCPU 163
    Look and Say HumanoidCPU 1,279
    Diamonds HumanoidCPU 1,103
    Niven Numbers HumanoidCPU 91
    Lucky Numbers HumanoidCPU 4,820