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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 KatieLG 🇬🇧 562 85
    642nd aliakseikalosha 561 127
    643rd brimstonetrader 561 142
    643rd codewrite 🇬🇧 561 142
    643rd RobGLambert 561 142
    643rd GodlyProgrammer1 561 142
    647th FortuiteMan 🇫🇷 559 272
    648th ravnskjaer 🇩🇰 558 167
    649th GeneralFabian 557 143
    649th CutSandstone 557 143
    649th kistlerf 🇨🇭 557 143
    652nd madex 🇩🇪 555 116
    653rd MeWhenI 🇻🇦 554 290
    654th hiichbindermax 553 144
    654th mathisfun271 553 144
    654th bob-th 553 144
    657th JDiLenarda 🇫🇷 553 165
    658th KatieLG 🇬🇧 552 120
    659th snoozingnewt 🇨🇦 552 148
    660th edsrzf 🇳🇿 551 135
    661st JunkIce 550 145
    661st Flekay 🇩🇪 550 145
    663rd msbranicky 550 185
    664th mousetail 🇳🇱 549 128
    665th ethanlally 549 170
    665th snoozingnewt 🇨🇦 549 170
    667th gpikmddk 548 130
    668th croc54 546 146
    669th zakariamouhid 545 118
    669th JOrE20 🇺🇸 545 118
    671st xyangst 545 171
    671st kmathis22 545 171
    673rd najs91 544 131
    673rd bac0id 544 131
    673rd CaedenHarper 🇨🇦 544 131
    676th dokutan 543 122
    677th PyryL 🇫🇮 542 147
    678th eranws 541 119
    679th Sciman101 539 147
    680th mbittner20 538 148
    680th YAJUE114514 538 148
    682nd psaban 535 149
    682nd TheZwierzLF 🇵🇱 535 149
    684th msbranicky 533 175
    685th deancureton 532 121
    686th FlorianCassayre 🇫🇷 531 150
    686th jameswmccarty 531 150
    686th yousefalizadeh 531 150
    686th feherd 531 150
    686th kadamkaustubh 531 150
    691st msbranicky 528 126
    692nd adamnielson42 🇺🇸 524 152
    692nd voidgloom 524 152
    692nd omero-san 524 152
    692nd brochmann 🇸🇪 524 152
    696th Macweese 524 178
    697th galloj 🇨🇿 522 112
    698th TheZwierzLF 🇵🇱 522 127
    699th xyangst 521 153
    699th denisfouchard 521 153
    701st snoozingnewt 🇨🇦 520 213
    702nd bac0id 518 180
    703rd osNiko 🇧🇷 517 154
    704th sidok 515 109
    705th dokutan 514 143
    706th robin-scragg 514 155
    706th celiendonze 🇨🇭 514 155
    708th travisdoesmath 511 156
    708th Shotokhan 511 156
    710th nephila-nacrea 🇬🇧 510 77
    711th yoshykai 510 183
    712th KatieLG 🇬🇧 509 140
    713th KatieLG 🇬🇧 509 146
    714th dokutan 508 116
    715th Chinay-Domitrix 🇺🇸 508 131
    716th lhulinsky 508 157
    717th dokutan 507 126
    718th ThatAlo 504 158
    719th Andrey2001 502 132
    720th msbranicky 501 138