duckyluuk (he/him) 🇳🇱

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112 / 112 Holes

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26 / 60 Langs

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51 / 77 Cheevos

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Holes Authored

gs
12 Days of Christmas
18th 52nd 63rd5th
24 Game
11th 19th💎
99 Bottles of Beer
17th 83rd3rd
Abundant Numbers
15th 82nd1st1st
Abundant Numbers (Long)
16th 62nd4th1st
Arabic to Roman
24th 23rd 6th 87th2nd3rd
Arithmetic Numbers
13th 18th1st
Arrows
13th 27th4th
Ascending Primes
15th 28th3rd
ASCII Table
12th 29th4th3rd
Billiards
34th
brainfuck
8th 12th 34th3rd
Card Number Validation
8th 1st 14th💎2nd
Catalan Numbers
1st 1st6th
Catalan’s Constant
14th 1st 47th3rd
Christmas Trees
7th 22nd 32nd2nd3rd
Collatz
26th 59th 7th 90th3rd4th
CSS Colors
21st 1st 22nd2nd
Cubes
12th 32nd3rd
Day of Week
28th 1st 1st65th💎
DFA Simulator
8th 14th 💎 7th💎
Diamonds
13th 25th💎💎
Divisors
1st 156th 1st 1st3rd3rd
Emirp Numbers
19th 7th 34th3rd2nd
Emirp Numbers (Long)
16th 39th3rd
Emojify
9th 21st1st2nd
Evil Numbers
4th 59th 9th 1st3rd3rd
Evil Numbers (Long)
16th 38th 8th 33rd4th2nd
Factorial Factorisation
7th 17th 16th4th
Farey Sequence
17th 19th 4th 24th💎1st
Fibonacci
12th7th8th36th18th3rd 21st1st 23rd 27th1st 6th1st 12th46th1st1st4th7th37th
Fizz Buzz
1st 1st1st 7th 1st5th3rd
Foo Fizz Buzz Bar
1st 31st 1st4th3rd
Forsyth–Edwards Notation
10th 5th 19th💎2nd
Fractions
1st 1st 1st3rd2nd1st
Game of Life
5th 16th 4th 7th💎1st
Gijswijt’s Sequence
8th 14th2nd2nd
Happy Numbers
7th 8th 1st2nd3rd
Happy Numbers (Long)
15th 34th5th3rd
Hexdump
23rd 65th2nd
Intersection
16th 21st 26th2nd
Inventory Sequence
17th 9th 35th💎2nd
ISBN
8th 28th 16th4th2nd
Jacobi Symbol
17th 50th2nd
Kaprekar Numbers
10th 26th 34th💎3rd
Kolakoski Constant
13th 4th 37th3rd
Kolakoski Sequence
6th 35th 6th 16th1st3rd
Leap Years
25th 200th 93rd4th
Levenshtein Distance
19th 33rd💎
Leyland Numbers
20th 6th2nd3rd
ln 2
1st 1st4th
Look and Say
9th 14th 1st9th 54th💎💎
Lucky Numbers
18th 39th3rd
Lucky Tickets
17th 37th
Mahjong
13th 21st
Maze
13th 32nd
Medal Tally
5th 25th 5th 1st2nd
Morse Decoder
8th 11th2nd
Morse Encoder
7th 16th2nd
Musical Chords
11th 26th💎
N Queens
5th 12th 10th1st
Niven Numbers
24th 1st 31st1st4th
Niven Numbers (Long)
15th 14th 32nd2nd2nd
Number Spiral
8th 8th2nd3rd
Odious Numbers
3rd 48th 8th 1st4th3rd
Odious Numbers (Long)
4th 34th 9th 1st4th2nd
Ordinal Numbers
21st 4th4th
PalindromemordnilaP
6th 17th 5th 14th🦄3rd
Pangram Grep
17th 39th 41st4th3rd
Pascal’s Triangle
26th 37th 105th4th
Pernicious Numbers
30th 73rd4th2nd
Pernicious Numbers (Long)
12th 1st4th2nd
Poker
6th 11th💎
Polyominoes
10th 20th💎💎
Prime Numbers
26th 74th 75th 11th 42nd1st3rd
Prime Numbers (Long)
18th 59th 34th 11th 41st1st2nd
Proximity Grid
14th 25th
QR Decoder
12th 23rd
Quine
1st 1st25th 26th1st 177th 19th1st 55th1st1st
Recamán
12th 32nd 20th4th
Repeating Decimals
19th 55th💎
Reverse Polish Notation
18th 49th 53rd4th
Reversi
10th 19th
Rijndael S-box
14th 32nd💎
Rock-paper-scissors-Spock-lizard
14th 43rd💎
Roman to Arabic
7th 23rd 1st💎💎
ROT13
6th 9th 3rd
Rule 110
22nd 57th3rd
Seven Segment
17th 40th2nd
SI Units
12th 28th
Sierpiński Triangle
12th 18th 40th2nd
Smith Numbers
9th 29th3rd
Spelling Numbers
18th73rd 45th💎
Star Wars Opening Crawl
14th 33rd💎
Sudoku
10th 22nd
Sudoku (Fill-in)
11th 26th
Ten-pin Bowling
12th 31st
Time Distance
13th 13th💎
Tongue-twisters
8th 16th5th
Transpose Sentence
11th 3rd 15th1st3rd
United States
9th 3rd 31st2nd
Vampire Numbers
11th 17th3rd
Van Eck Sequence
8th 23rd 1st3rd
Zeckendorf Representation
2nd 18th 1st5th3rd
Zodiac Signs
15th 27th💎
γ
12th 1st3rd 28th💎
λ
15th 1st 50th💎
π
5th 7th11th1st5th 9th2nd
τ
4th 7th11th56th4th 6th2nd
φ
20th 13th 38th 43rd4th
√2
1st 32nd 11th 1st💎
𝑒
1st 1st7th 1st3rd