12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Arabic to Roman
brainfuck
Christmas Trees
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emojify
Evil Numbers
Fibonacci
Fizz Buzz
Happy Numbers
Leap Years
5th
12th
12th
1st
17th
Leyland Numbers
Look and Say
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
51st
24th
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Poker
Prime Numbers
Quine
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SierpiΕski Triangle
Spelling Numbers
Ten-pin Bowling
Tongue-twisters
United States
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Ο
Ο
Ο
β2
π