12 Days of Christmas
128th
99 Bottles of Beer
232nd
Abundant Numbers
175th
Arabic to Roman
162nd
Christmas Trees
90th
CSS Colors
114th
Cubes
78th
Day of Week
124th
Diamonds
118th
Divisors
372nd
Emirp Numbers
142nd
Emojify
111th
Evil Numbers
308th
Fibonacci
455th
Fizz Buzz
342nd1st243rd
Happy Numbers
159th
Intersection
82nd
Leap Years
289th
Look and Say
100th
Morse Decoder
67th
Morse Encoder
78th
Niven Numbers
148th
Odious Numbers
176th
Ordinal Numbers
91st
Pangram Grep
127th
Pascal’s Triangle
162nd
Pernicious Numbers
107th
Poker
45th
Prime Numbers
347th
Quine
29th
Rock-paper-scissors-Spock-lizard
67th
Roman to Arabic
71st
Rule 110
84th
Seven Segment
64th
Sierpiński Triangle
91st
Spelling Numbers
61st
Sudoku
41st
Ten-pin Bowling
38th
Tongue-twisters
114th
United States
98th