The Card Number Validation hole will go live in . Why not try and solve it ahead of time?

Steffan153 (he/him) 🇫🇮

103,878
103,074
💎311
🥇1,849
🥈612
🥉541

108 / 108 Holes

🔣

57 / 58 Langs

🏆

70 / 75 Cheevos

📅

gs
12 Days of Christmas
1st 4th 4th 6th 17th 8th 6th 2nd
24 Game
💎 2nd 1st 💎 2nd 3rd 💎 3rd
99 Bottles of Beer
5th 5th 5th 💎 1st 1st 2nd 28th
Abundant Numbers
6th 4th 18th 8th 2nd 4th 6th 4th 5th 3rd 5th 3rd 2nd 9th 1st 1st 2nd 9th 4th 1st 1st 6th 7th 4th 10th 4th 9th 5th 6th 3rd 3rd 4th 4th 2nd 8th
Abundant Numbers (Long)
4th 1st 3rd 16th 2nd 10th 2nd 1st 1st 1st 5th 2nd 3rd 4th 4th 2nd 8th 1st 1st 1st 3rd 9th 2nd 1st 1st 6th 5th 6th 3rd 8th 6th 3rd 4th 4th 5th 4th 3rd 1st 3rd 1st 3rd 3rd
Arabic to Roman
💎 1st 6th 2nd 2nd 💎 1st 💎 💎 10th 💎 4th 1st 4th 💎 3rd 2nd 3rd 7th 1st 6th 1st 2nd 4th
Arithmetic Numbers
5th 2nd 1st 3rd 3rd 2nd 1st 💎 2nd 1st 1st 2nd 10th 1st 6th 3rd
Arrows
1st 5th 7th 4th 3rd 💎 1st 3rd 2nd 💎 3rd 6th 5th 💎 💎 💎 2nd 3rd 7th
Ascending Primes
1st 5th 1st 3rd 2nd 💎 2nd 2nd 3rd 2nd 2nd 5th 1st 2nd 4th 3rd 1st 5th 1st
ASCII Table
5th 💎 3rd 8th 💎 1st 2nd 1st 1st 3rd 6th 7th 3rd 2nd 1st 2nd 4th
brainfuck
5th 💎 4th 13th 7th 💎 12th 2nd 7th
Catalan Numbers
5th 4th 1st 1st 1st 1st 4th 3rd 5th 1st 1st 1st 14th 5th 1st 1st 3rd 7th 7th 3rd 1st 6th 1st 1st 1st 3rd
Catalan’s Constant
8th 2nd 💎 7th 1st 💎 17th 2nd
Christmas Trees
7th 2nd 💎 5th 4th 3rd 3rd 1st 2nd 3rd 💎 2nd 2nd 3rd 3rd 4th 💎 3rd 2nd 1st
Collatz
6th 5th 2nd 1st 15th 2nd 💎 1st 1st 3rd 3rd 2nd 3rd 3rd 1st 1st 1st 4th 9th 4th 1st 4th 4th 1st 5th 7th 1st 2nd 4th 4th 3rd 4th 3rd 3rd 1st
CSS Colors
4th 3rd 2nd 2nd 💎 4th 10th 3rd 1st 1st 2nd 6th 2nd 4th 3rd 2nd
Cubes
7th 2nd 💎 4th 25th
Day of Week
1st 1st 1st 1st 1st 1st 1st 1st 4th 1st 1st 1st 4th 1st 1st 3rd 💎 1st 1st 1st 4th 7th 1st 💎 1st 1st 1st 4th 1st 1st 1st 1st 1st 3rd
DFA Simulator
💎 1st 11th 4th
Diamonds
3rd 2nd 5th 3rd 7th 1st 1st 2nd 2nd 2nd 4th 1st 2nd 1st 3rd 2nd 3rd 💎 15th 2nd 2nd 1st 2nd
Divisors
3rd 5th 1st 1st 25th 1st 14th 1st 💎 1st 1st 1st 1st 1st 9th 1st 8th 1st 26th 1st 1st 1st 3rd 4th 6th 1st 6th 4th 8th 6th 7th 2nd 8th 1st 1st 1st 4th 1st 1st 1st 5th 2nd 2nd 7th
Emirp Numbers
1st 2nd 1st 1st 10th 1st 1st 1st 1st 1st 1st 1st 4th 1st 1st 4th 1st 1st 14th 1st 3rd 1st 4th 1st 1st 2nd 4th
Emirp Numbers (Long)
13th 7th 9th 💎 5th 2nd 3rd 2nd 2nd 6th 7th 6th 13th 9th 1st 4th 6th 5th 3rd 3rd
Emojify
💎 1st 💎 1st 1st 1st 2nd 1st 1st 4th 1st 4th 5th
Evil Numbers
2nd 4th 4th 1st 2nd 1st 2nd 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 3rd 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 3rd 1st 2nd 1st 1st 2nd 10th 3rd 3rd 1st 1st 1st 6th 1st 1st 5th 1st 1st 5th
Evil Numbers (Long)
5th 4th 4th 4th 1st 1st 1st 1st 1st 1st 3rd 1st 1st 1st 1st 3rd 3rd 7th 3rd 1st 8th 1st 1st 1st 1st 3rd 4th 1st 1st 4th 2nd 6th 3rd 3rd 1st 1st 1st 2nd 6th 5th 💎 1st 1st 1st 3rd 4th
Factorial Factorisation
💎 1st 3rd 2nd 2nd 3rd 2nd 2nd 4th 4th 1st
Farey Sequence
2nd 5th 1st 8th 1st 4th 4th 💎 1st 1st 1st 1st 💎 1st 1st 1st 3rd 1st 1st 2nd 1st 1st
Fibonacci
30th 8th 2nd 6th 3rd 1st 5th 1st 2nd 4th 1st 6th 3rd 1st 1st 1st 1st 9th 1st 1st 21st 1st 1st 1st 1st 1st 1st 1st 1st 9th 1st 4th 1st 9th 3rd 1st 8th 1st 1st 3rd 1st 1st 7th 7th 1st 5th 3rd 1st 3rd 1st 5th 15th
Fizz Buzz
6th 1st 1st 1st 19th 19th 1st 1st 1st 1st 1st 6th 1st 4th 3rd 3rd 7th 2nd 5th 12th 1st 4th 16th 1st 1st 1st 1st 4th 9th 1st 1st 6th 1st 8th 1st 1st 6th 1st 1st 1st 4th 1st 6th 💎 4th 6th 1st 6th 2nd 1st
Foo Fizz Buzz Bar
1st 4th 2nd 6th 2nd 💎 1st 3rd 1st 3rd 💎 3rd 7th 5th 1st 1st 1st 3rd 5th 1st 3rd 11th 3rd 1st 2nd 5th 1st 1st 6th 1st 1st 1st 3rd 5th 2nd 1st 3rd 4th
Forsyth–Edwards Notation
5th 4th 1st 8th 3rd 💎 💎 5th 2nd 3rd 1st 2nd 2nd 💎 7th 11th 1st 11th 3rd
Fractions
3rd 7th 4th 2nd 1st 4th 1st 2nd 5th 1st 14th 4th 2nd 1st 1st 1st 7th 1st 7th 5th 1st
Game of Life
1st 💎 5th 2nd 💎 4th 3rd 2nd 2nd 💎 3rd 4th 2nd 2nd 5th 💎 2nd 1st 2nd 2nd 4th 💎 2nd 7th 1st 5th 2nd
Gijswijt’s Sequence
💎 2nd 3rd 3rd 1st 10th 3rd
Happy Numbers
1st 2nd 6th 7th 9th 1st 1st 1st 1st 1st 1st 1st 1st 1st 7th 10th 1st 1st 1st 1st 1st 1st 8th 6th 1st 8th 1st 4th 1st 1st 1st 1st 4th 10th 1st 2nd 8th 1st
Happy Numbers (Long)
1st 2nd 8th 1st 1st 💎 8th 1st 2nd 1st 4th 2nd 5th 1st 6th 9th 5th 1st 1st 1st 1st 1st 3rd 7th 2nd 7th 4th 14th 6th 7th 4th 14th 3rd 5th 5th
Hexdump
2nd 4th 💎 💎 4th 9th 💎 6th 1st 1st
Intersection
2nd 💎 6th 2nd 1st 1st 2nd 1st 5th 2nd 1st 3rd 2nd 1st 9th 1st 7th 3rd
Inventory Sequence
5th 3rd 3rd 1st 7th 4th 4th 4th 💎 2nd 1st 2nd 2nd 3rd 2nd 1st 6th 2nd 4th 2nd 9th 3rd 4th 1st 1st 1st 1st 5th 1st 5th 2nd 1st 2nd 1st 2nd
ISBN
1st 2nd 6th 2nd 1st 5th 3rd 2nd 3rd 2nd 💎 1st 5th 3rd 1st 4th 4th 2nd 7th 4th 5th 7th 1st 4th 3rd 4th
Jacobi Symbol
1st
Kolakoski Constant
2nd 3rd 3rd 2nd 💎 💎 2nd 5th 1st 3rd
Kolakoski Sequence
2nd 1st 💎 9th 5th 4th 6th 1st 1st 3rd 💎 3rd 6th 1st 1st 5th 9th 💎 1st 1st 1st 💎 4th 1st 5th 2nd 1st 8th 4th
Leap Years
4th 5th 1st 5th 6th 3rd 4th 💎 2nd 4th 1st 1st 1st 1st 5th 9th 5th 8th 2nd 4th 1st 3rd 1st 2nd 4th 4th 3rd 4th 12th 3rd 1st 5th 7th 3rd 7th 1st 5th 5th 2nd 4th 4th 1st
Levenshtein Distance
4th 1st 1st 1st 💎 1st 7th 8th 3rd 7th 2nd 1st 1st 3rd 1st 1st
Leyland Numbers
4th 3rd 4th 6th 11th 4th 1st 1st 2nd 5th 8th 3rd
ln 2
2nd 5th 1st 3rd 2nd 1st 11th 1st 2nd 1st 1st 4th 1st 4th
Look and Say
1st 💎 6th 1st 2nd 1st 8th 3rd 1st 5th 1st 15th 3rd 2nd 9th
Lucky Numbers
6th 2nd 8th 3rd 9th 3rd 6th 17th 3rd
Lucky Tickets
1st 3rd 💎 1st 2nd 2nd 2nd 4th 1st 3rd 💎 5th 1st 2nd 6th 3rd
Mahjong
7th 5th
Maze
11th
Medal Tally
2nd 5th 2nd 10th 14th
Morse Decoder
2nd 1st 2nd 1st 1st 💎 💎 1st 1st 💎 1st 2nd 2nd
Morse Encoder
2nd 2nd 2nd 2nd 💎 3rd 2nd 1st 💎 2nd 2nd 💎 2nd 4th
Musical Chords
💎
N Queens
💎 3rd 1st 2nd 💎 3rd 6th 3rd
Niven Numbers
10th 11th 7th 5th 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 6th 1st 1st 1st 1st 1st 1st 6th 1st 1st 5th 1st 1st 1st 1st 1st 4th 1st 1st 1st 1st 1st 6th 1st 2nd 7th 5th 1st 1st 6th 1st 1st 1st
Niven Numbers (Long)
7th 1st 1st 1st 1st 1st 1st 1st 2nd 8th 1st 1st 3rd 3rd 1st 8th 1st 4th 1st 1st 1st 1st 1st 1st 3rd 1st 1st 3rd 4th 1st 1st 1st 1st 4th 3rd 💎 14th 3rd 1st 4th 1st 3rd 1st 1st 3rd 1st
Number Spiral
1st 2nd 2nd 9th 1st 2nd 💎 💎 3rd 💎 3rd 3rd 21st
Odious Numbers
2nd 5th 4th 1st 1st 1st 2nd 2nd 1st 1st 1st 1st 3rd 1st 1st 3rd 1st 4th 1st 1st 1st 1st 1st 2nd 1st 1st 1st 1st 1st 1st 💎 1st 8th 5th 2nd 1st 1st 3rd 4th 4th 5th 1st 💎 1st 6th 1st 1st 2nd 1st 1st 5th
Odious Numbers (Long)
5th 6th 6th 4th 1st 1st 1st 1st 1st 1st 3rd 1st 1st 3rd 1st 3rd 3rd 7th 3rd 1st 6th 1st 1st 1st 1st 2nd 4th 1st 1st 4th 2nd 6th 5th 4th 1st 1st 1st 3rd 6th 5th 💎 1st 1st 1st 3rd 4th
Ordinal Numbers
6th 2nd 4th 10th 5th 💎 1st 1st 2nd 2nd 3rd 5th 3rd 2nd 1st 3rd 2nd 1st 3rd 4th 2nd 4th 1st 1st 1st 1st 1st 2nd
PalindromemordnilaP
6th 15th
Pangram Grep
5th 3rd 💎 1st 2nd 3rd 2nd 1st 2nd 6th 1st 1st 2nd 10th 💎 1st 15th 5th 1st 5th 6th 7th 17th 4th 2nd 5th 4th
Pascal’s Triangle
5th 1st 1st 16th 3rd 1st 1st 3rd 3rd 1st 5th 3rd 7th 6th 1st 1st 6th 1st 3rd 1st 1st 1st 7th 9th 4th 1st 1st 1st 2nd 1st 1st 3rd 4th
Pernicious Numbers
1st 6th 1st 1st 1st 1st 1st 1st 2nd 1st 1st 1st 1st 1st 1st 1st 8th 1st 4th 1st 1st 3rd 1st 4th 1st 1st 1st 1st 9th 6th 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 4th 1st 1st 💎 3rd 6th 1st 1st 4th 1st 1st 1st
Pernicious Numbers (Long)
4th 5th 5th 4th 12th 1st 7th 2nd 2nd 1st 1st 3rd 3rd 4th 3rd 8th 2nd 3rd 5th 3rd 5th 4th 3rd 1st 12th 2nd 3rd 4th 3rd 6th 2nd 5th 2nd 4th 5th 1st 6th 1st 3rd 4th 5th 1st 💎 1st 1st 2nd
Poker
6th 3rd
Polyominoes
💎 4th 💎 2nd 2nd 5th 💎 1st
Prime Numbers
6th 1st 20th 16th 1st 1st 1st 1st 3rd 1st 3rd 1st 1st 1st 1st 1st 4th 1st 1st 3rd 1st 1st 3rd 1st 1st 1st 1st 1st 1st 1st 1st 5th 5th 2nd 1st 1st
Prime Numbers (Long)
6th 1st 17th 10th 11th 2nd 1st 3rd 1st 2nd 1st 3rd 4th 1st 1st 4th 5th 9th 1st 1st 7th 1st 1st 1st 1st 1st 1st 2nd 4th 1st 1st 4th 3rd 1st 1st 8th 5th 1st
Proximity Grid
4th 2nd 6th 4th 💎 2nd 💎 3rd 3rd 10th 💎 2nd 💎 4th 2nd 10th 2nd 4th
QR Decoder
2nd 3rd 4th 3rd 2nd 4th 3rd 2nd 5th 3rd 💎 7th 4th
Quine
1st 1st 1st 5th 4th 2nd 9th 1st 8th 3rd 1st 6th 2nd 8th 1st 6th 1st 6th 7th 1st 3rd 10th 1st 1st 3rd 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 1st 4th 12th 1st 1st 3rd 1st 1st 1st 1st 1st 5th 1st 8th 1st 2nd 1st
Recamán
2nd 4th 15th 4th 4th 2nd 1st 2nd 3rd 2nd 11th 3rd 8th 3rd 3rd 3rd 4th 2nd
Repeating Decimals
1st 6th 1st 1st 1st
Reverse Polish Notation
💎 2nd 💎 3rd 2nd 💎 1st 4th 1st 7th 1st 4th 4th 5th 2nd 3rd 1st 1st
Reversi
1st 💎 2nd 1st 💎 💎 2nd 1st 2nd 3rd 7th
Rijndael S-box
11th 💎 2nd 3rd 2nd 2nd 5th 3rd 💎 2nd 5th 6th 2nd
Rock-paper-scissors-Spock-lizard
2nd 💎 4th 💎 💎 1st 2nd 5th 💎 1st
Roman to Arabic
1st 2nd 💎 3rd 1st 2nd 1st 2nd 3rd 1st 2nd 7th 2nd 7th 1st 💎 3rd 2nd 1st 1st 3rd 1st 1st 1st 💎 3rd
Rule 110
2nd 1st 1st 3rd 3rd 5th 8th 1st 2nd 1st 1st 1st
Seven Segment
14th 2nd 2nd 💎 4th 2nd 3rd 💎 💎 💎 7th 2nd 2nd 3rd 💎 2nd 9th 2nd 5th 2nd
SI Units
2nd 4th 3rd
Sierpiński Triangle
1st 1st 1st 2nd 1st 2nd 1st 1st 1st 1st 2nd 3rd 2nd 4th 1st 💎 1st 1st 2nd 1st 2nd 3rd 💎 2nd 2nd 1st
Smith Numbers
💎 4th 2nd 💎 15th
Spelling Numbers
💎 1st 1st 4th
Star Wars Opening Crawl
6th 💎 9th
Sudoku
💎 5th 💎 💎 7th
Sudoku v2
2nd 💎 5th 1st 3rd 3rd 10th 4th
Ten-pin Bowling
💎 💎 4th 2nd 💎 1st 1st 3rd 5th 💎 3rd 2nd 💎
Time Distance
2nd 5th 1st 1st 5th 5th
Tongue-twisters
14th 💎 16th
Transpose Sentence
7th 2nd 5th 1st 2nd 1st 2nd 1st 1st 2nd 2nd 1st 3rd 6th 2nd 💎 4th 2nd 4th 1st 5th
United States
1st 6th 4th 💎 3rd 2nd 2nd 💎 1st 3rd 1st 1st 3rd 💎 5th 4th 9th 1st 3rd 3rd
Vampire Numbers
10th 20th 7th
Van Eck Sequence
5th 1st 2nd 1st 1st 5th 3rd 7th 1st 4th 5th 2nd 5th 6th 5th 1st 3rd 4th 1st
Zeckendorf Representation
4th 2nd 1st 3rd 2nd 1st 2nd 2nd 2nd 4th 3rd 4th 5th 💎
Zodiac Signs
5th 2nd 2nd 5th 8th 4th 3rd 4th 5th 5th 1st
γ
💎 💎 1st 💎 💎 💎
λ
💎 2nd 💎 3rd
π
💎 4th 💎 9th 3rd 3rd 4th 8th 11th 1st 1st 2nd 4th 2nd 25th
τ
💎 3rd 💎 9th 2nd 2nd 4th 11th 1st 4th 2nd 4th 2nd 21st
φ
💎 4th 1st 1st 1st 4th 2nd 3rd 9th 1st 5th 1st 1st 3rd 1st 1st 1st 5th 7th 1st 7th 1st 2nd
√2
💎 1st 1st 1st 4th 2nd 4th 1st 1st 6th 1st 1st 3rd 1st 1st 1st 4th 7th 1st 4th 1st 2nd
𝑒
5th 1st 9th 6th 4th 💎 1st 1st 4th 3rd 10th 10th 1st 1st 1st 4th 5th 3rd 1st 1st