Christmas Trees
49th
151st
Collatz
198th
Day of Week
215th
Diamonds
34th
45th
Evil Numbers
140th
Fibonacci
10th
Fizz Buzz
444th
44th
Fractions
218th
Levenshtein Distance
227th
Niven Numbers
42nd
218th
Pangram Grep
260th
Quine
76th
ROT13
25th
85th
Set
4th
23rd
3rd18th
Tongue-twisters
52nd
Topological Sort
18th
π
16th
136th