12 Days of Christmas
14th99 Bottles of Beer
12thAbundant Numbers
25thArabic to Roman
11thbrainfuck
9thChristmas Trees
22ndCSS Colors
9thCubes
8thDiamonds
25thDivisors
25thEmirp Numbers
17thEmojify
8thEvil Numbers
35thFibonacci
55thFizz Buzz
18thHappy Numbers
27thIntersection
10thKolakoski Sequence
17thLeap Years
30thLevenshtein Distance
32ndLeyland Numbers
9thLook and Say
18thMorse Decoder
9thMorse Encoder
6thNiven Numbers
30thOdious Numbers
31stPangram Grep
20thPernicious Numbers
29thPrime Numbers
23rdQuine
44thRecamán
14thRule 110
14thSeven Segment
12thSierpiński Triangle
15thSudoku
8thTongue-twisters
11thVan Eck Sequence
9th