12 Days of Christmas
139th
Abundant Numbers
108th
Collatz
129th
Divisors
275th
Evil Numbers
123rd
Fibonacci
256th
Fizz Buzz
354th
727th
Foo Fizz Buzz Bar
78th
Fractions
70th
Happy Numbers
167th
Happy Numbers (Long)
75th
Hexdump
23rd
Intersection
82nd
ISBN
58th
Look and Say
68th
Ordinal Numbers
99th
Prime Numbers
174th
Quine
25th
708th
Seven Segment
76th
SierpiΕski Triangle
79th
Tongue-twisters
70th
Zodiac Signs
25th