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

    Rankings: Holes

    Card Number Validation in all languages in bytes.

    # Golfer Points Bytes Time Submitted
    641st brimstonetrader 561 142
    641st codewrite 🇬🇧 561 142
    641st RobGLambert 561 142
    641st GodlyProgrammer1 561 142
    645th FortuiteMan 🇫🇷 559 272
    646th ravnskjaer 🇩🇰 558 167
    647th GeneralFabian 557 143
    647th CutSandstone 557 143
    647th kistlerf 🇨🇭 557 143
    650th madex 🇩🇪 555 116
    651st MeWhenI 🇻🇦 554 290
    652nd hiichbindermax 553 144
    652nd mathisfun271 553 144
    652nd bob-th 553 144
    655th JDiLenarda 🇫🇷 553 165
    656th KatieLG 🇬🇧 552 120
    657th snoozingnewt 🇨🇦 552 148
    658th edsrzf 🇳🇿 551 135
    659th JunkIce 550 145
    659th Flekay 🇩🇪 550 145
    661st msbranicky 550 185
    662nd mousetail 🇳🇱 549 128
    663rd ethanlally 549 170
    663rd snoozingnewt 🇨🇦 549 170
    665th gpikmddk 548 130
    666th croc54 546 146
    667th zakariamouhid 545 118
    667th JOrE20 🇺🇸 545 118
    669th xyangst 545 171
    669th kmathis22 545 171
    671st najs91 544 131
    671st bac0id 544 131
    671st CaedenHarper 🇨🇦 544 131
    674th dokutan 543 122
    675th PyryL 🇫🇮 542 147
    676th eranws 541 119
    677th Sciman101 539 147
    678th mbittner20 538 148
    678th YAJUE114514 538 148
    680th psaban 535 149
    680th TheZwierzLF 🇵🇱 535 149
    682nd msbranicky 533 175
    683rd deancureton 532 121
    684th FlorianCassayre 🇫🇷 531 150
    684th jameswmccarty 531 150
    684th yousefalizadeh 531 150
    684th feherd 531 150
    684th kadamkaustubh 531 150
    689th msbranicky 528 126
    690th blaztoma 🇱🇹 526 154
    691st adamnielson42 🇺🇸 524 152
    691st voidgloom 524 152
    691st omero-san 524 152
    691st brochmann 🇸🇪 524 152
    695th Macweese 524 178
    696th galloj 🇨🇿 522 112
    697th TheZwierzLF 🇵🇱 522 127
    698th xyangst 521 153
    698th denisfouchard 521 153
    700th snoozingnewt 🇨🇦 519 213
    701st bac0id 518 180
    702nd osNiko 🇧🇷 517 154
    703rd sidok 515 109
    704th dokutan 514 143
    705th robin-scragg 514 155
    705th celiendonze 🇨🇭 514 155
    707th travisdoesmath 511 156
    707th Shotokhan 511 156
    709th nephila-nacrea 🇬🇧 510 77
    710th yoshykai 510 183
    711th KatieLG 🇬🇧 509 140
    712th KatieLG 🇬🇧 509 146
    713th dokutan 508 116
    714th Chinay-Domitrix 🇺🇸 508 131
    715th lhulinsky 508 157
    716th dokutan 507 126
    717th ThatAlo 504 158
    718th Andrey2001 502 132
    719th msbranicky 501 138
    720th snoozingnewt 🇨🇦 501 142